| O'More | The last name O'More is derived from the Irish surname Ó Mórdha, which comes from a Gaelic personal name composed of the elements ‘mór’ meaning ‘great’ and ‘dubh’ meaning ‘black’. This name is... |
| O'Moriarty | The last name O'Moriarty is an Irish surname derived from the old Gaelic name Ó Muircheartaigh, which means “descendant of Muircheartaigh”. The name Muircheartaigh is composed of two parts, “muir”... |
| O'Mullan | The last name O'Mullan is a common Irish surname and is typically found in the provinces of Connacht and Ulster in the west of Ireland. The root of the name is derived from the old Gaelic personal... |
| O'Neal | The last name O'Neal is an Irish surname, derived from the Gaelic Ó Néill. It was used as a surname to indicate the descendants of multiple branches of the famous and influential O'Neil Irish... |
| O'Neale | The last name O’Neale is an old Irish surname, derived from the surname Ó Néill. It is an anglicized form of the Irish Gaelic “O” meaning "grandson" or “descendant” in reference to a great... |
| O'Neall | The surname O'Neall comes from the Irish name Ó Néill, which is derived from the Gaelic word “niall” meaning “champion.” This surname has many variations, including Neill, Neal, O’Neill, O’Neall,... |
| O'Neel | The last name O'Neel is of Irish origin and is derived from the Gaelic phrase “O’Niall,” which means “champion.” This was a nickname given to a member of the ancient Niall lineage, one of the most... |
| O'Neil | The last name O'Neil is an Irish-originated surname derived from the Gaelic name Ó Néill (grandson of Neil or Niall). O'Neil is one of the most common names of Irish ancestry both in Ireland and in... |
| O'Neile | The surname O'Neile is an Anglicized version of the Irish surname Ó Néill and is of Gaelic origin. The variation O'Neill is the most prolific Irish surname in the world. It is derived from Ui Néill... |
| O'Neill | The last name O'Neill is an Irish surname derived from the Gaelic “Ua Néill”, meaning “grandson or descendant of Neil”. The name Neil is thought to be derived from an ancient Celtic King of Ulster... |
| O'Neillan | The surname O’Neillan is an anglicized form of the Irish name Ó Néilláin, which translates to "descendant of Niallán". Niallán was a personal name which is believed to have originated from the Gaelic... |
| O'Neille | O'Neille is an Irish patronymic surname stemming from the Gaelic surname O’Néill. This name is taken from the ancient clan of O’Néill, one of the most powerful ancient Irish families. The prefix “O”... |
| O'Neny | The last name O'Neny is an anglicized version of the Irish surname Ó Néamhna and is of Gaelic origin. The Ó Néamhna Gaelic byname means “descendant of Nano”. Additionally, the prefix "Ó" (also... |
| O'Neyle
Neal | The last name O'Neyle Neal is an Irish surname believed to be derived from Niadh, an ancient Irish word that was used to describe a champion or brave and noble warrior. Due to the ancient nature of... |
| O'Nial | The last name O'Nial has its origins in the Celtic and Gaelic culture. It is commonly used as an Irish surname, and its literal definition is "descendant of Niall". Niall is derived from the Gaelic... |
| O'Niel | The last name O'Niel is of Irish and Scottish ancestry and has been associated with Gaelic origins. It is derived from the Irish phrase "O’Niadh's", meaning "The descendant of Niadh", with Niadh... |
| O'Niell | The surname O'Niell is an Irish name that has been around in Ireland since the 10th century AD. The origin of the name is rooted in the Gaelic phrase "U Néil", which translates to "grandson of Neil".... |
| O'Nielle | The origin of the surname O'Nielle is Irish. It is derived from the Gaelic patronymic name "Ó Niall". The "Ó" prefixmeans "descendant of", and Niall is the Irish version of the personal name Neil... |
| O'Nolan | The last name O’Nolan has a rich history rooted in Irish culture. This surname is derived from the personal name Nuallain, which is an old Irish name meaning “noble”. The O’Nolan’s are among the most... |
| O'ogan | The last name O'ogan is an Irish surnames derived from the Gaelic word "oigean" which translates to "youth". This name likely originated centuries ago when an ancestor of the O'ogan family was a... |
| O'Paton | The surname O'Paton is derived from the Irish surname Ó Peatáin, which is a patronymic name meaning “descendant of Paton [or] Patrick”. The English form of this name, Patrick, is derived ultimately... |
| O'Phelan | The last name O’Phelan is an Irish surname originally derived from the ancient Gaelic name "O'Failin" meaning “descendant of Failin”. The O’Phelan surname is found predominantly in the south and... |
| O'Proinntigh | The surname O’Proinntigh is an Irish name, originating from the Gaelic language of the same spelling. It likely derives from the Irish Gaelic “Ui Proinntighe,” meaning “descendant of Proinnteach”.... |
| O'Pronntaigh | The surname O’Pronntaigh is an Irish family name derived from the Gaelic word 'Ó Proinntigh', which translates to 'descendant of Proinntigh'. It is a patronymic name, which is a form of surname that... |
| O'Pronty | The surname O’Pronty is of Irish origin and is derived from the Gaelic name Ó Proinntigh which was used to describe a person from certain areas of Ireland. Meaning “descendant of Proinnteach” or “one... |
| O'Prontye | The last name O'Prontye is a surname of Irish origin. The name essentially means "descendent of Prontye." Prontye was likely a personal name which is derived from the Irish tribal ancestor "Muintir... |
| O'Prounty | The surname O’Prounty is an anglicized version of the Irish Gaelic name Ó Prúnaigh, which consists of two elements added together. The first element is derived from the Irish word prún, which means... |
| O'Quein | The name O'Quein is an ancient Irish name that dates back to the days of the Irish Gaelic language in ancient Ireland. A patronymic surname, the name O'Quein derives its origin from the Gaelic "O... |
| O'Quigg | O'Quigg is an Irish clan name originally derived from the Irish surname O'Coigligh. The name O'Coigligh is a combination of two distinct words "O" which stands for "grandson" or "mal" in Irish and... |
| O'Quigley | The last name O'Quigley is an Irish patronymic surname of Gaelic origin. The name is derived from the Irish surname "Ó Coigligh," which translates to "son of Coigleach," or "son of the Helpful One."... |
| O'Quin | The surname O'Quin (often spelled O'Quinn or O'Quinne) is of Irish origin, derived from the Gaelic phrase "O Cuinneain". This translates to “descendant of Coinneain”, which was a personal name... |
| O'Quinlan | The last name O'Quinlan is a historically significant Irish surname, with its origins in the Gaelic language. The name is an anglicized phonetic version of the Irish name "O Cuinneagain", which... |
| O'Quinn | The O'Quinn surname is of Irish origin and is derived from the Irish ó Cuinn, which translates to descendant of Conn. Conn was an Irish first name that was derived from a combination of two old... |
| O'Quinns | The last name O'Quinns is an anglicized form of the Irish surname Ó Cuinn, which itself is derived from the Irish words “cu” and “inn”, meaning “descendant of Conn”. “Conn” was a legendary Irish high... |
| O'Rafferty | The Irish surname O'Rafferty is derived from the Gaelic surname Ó Raithbheartaigh. It is an Anglicized form of the name, meaning “descendant of Raithbheartach.” Raithbheartach is an old Irish... |
| O'Reardan | The Irish surname O'Reardan (or its variants O'Riordan/O'Riordain) is derived from the Gaelic "ó Rodáin”. This phrase translates to "descendant of Riordain", "Riordain" being an ancient Irish... |
| O'Regan | The last name O'Regan is an Irish surname from the Gaelic Ó Riagáin, which is composed of two elements – “O” meaning “grandson of” and “Riagán”, a personal name of uncertain origin. It may be derived... |
| O'Reilly | The last name O’Reilly comes from the ancient Irish surname Ó Raighilligh, which is derived from the Irish Gaelic word raighill or “reeve”, meaning “custodian”. This is likely in reference to both... |
| O'Riada | The surname O’Riada is derived from the Irish surname - Ó Riada. It is derived from the Irish Gaelic ‘Rí’, meaning ‘king’ or ‘chieftain.’ The surname would have originated with the original Riada –... |
| O'Riley | The last name O'Riley is an Irish surname that traces its origin to the Gaelic name Ó Raghailligh, which was a contraction of the phrase 'Mac Tire Thráille', meaning 'son of the ruler of Thráille'.... |
| O'Riordain | O'Riordain is a surname which is believed to originate from a Gaelic Irish background. The literal meaning of the name is derived from the Gaelic ó (meaning 'descendent of') and Riordain (meaning 'of... |
| O'Roark | The surname O'Roark is an ancient Irish surname belonging to the O'h-Anroartaigh clan. The clan was based in the castle of Anroar or Anroar castle in what is now known as County Cork. The name is... |
| O'Roarke | The last name O'Roarke is an ancient Irish surname, derived from the Irish phrases "O Rod OHguaire," meaning "descendant of Rodh-ogaire." This name is derived from the first name Rotheog, which is... |
| O'Rodagh | The surname O'Rodagh originated from Ireland as a patronymic name. The prefix ‘O’ typically denotes ‘grandson of’ or ‘descendant of’. The root of the name is thought to be derived from the Gaelic... |
| O'Roddy | The surname O'Roddy is an anglicized form of the ancient Gaelic surname O Roduibh. It is derived from the Gaelic personal name “Ruadh” which is composed of the elements “ruadh”, which means “red” or... |
| O'Rork | The surname O'Rork is an Anglicized version of the Irish surname Ó Rórdaigh, which translates to descendant of Rórdach. Rórdach, believed to mean heroic or wise, is a given name of Gaelic... |
| O'Rorke | The last name O'Rorke is an Irish surname, with roots in the Irish Gaelic language. The original Irish form of the name was Ó Ruairc, which may have derived from the term ‘ruairc’, which translates... |
| O'Rourk | The last name O'Rourk is an Irish last name, with its origin stemming from different regions in Ireland. The O' is an Irish prefix meaning “descendant of”, hence the O'Rourk comes from the original... |
| O'Rourke | The last name O'Rourke is an Irish surname of Gaelic origin. It is derived from the first name Ruairc, meaning "famous" and "rule". The Gaelic spelling is O'Ruairc.
The O'Rourke clan originated in... |
| O'Ruddy | The last name O'Ruddy is of Irish origin and its meaning is derived from the surname of the ancient Gaelic O Ruaidh. O Ruaidh is an ancient and now obsolete form of the Gaelic surname Ó Rodaighe, and... |
| O'Ryan | The last name O'Ryan is an Anglicized version of the Irish Ó Riain, meaning "descendant of Rian". Rian comes from the Gaelic word rí, meaning "king". This surname is associated with the ruling... |
| O'Seaghain | The last name O'Seaghain is an Irish surname, believed to originally have been derived from the old Irish surname Ó Séaghdha, meaning 'descendant of the hawk/hawk-like.' It is believed to be from the... |
| O'Shaughnessy | The last name O’Shaughnessy is an Irish surname which dates back to the mid-16th century. The Irish name comes from “O’Seanachain”, which was historically a patronymic name meaning “descendant of... |
| O'Shea | The Irish surname O'Shea, also seen in its anglicized form as Shea, is a derivative of the Gaelic name "O’Siodhachain" which in turn stems from the ancient Irish personal name "Siodhachan". The name... |
| O'Shee | The surname O'Shee is an Irish last name originating from the Irish Gaelic "O’Siodhaigh". It is derived from the Gaelic word "siodhach", meaning "peaceful" or "amicable". Historically, the name was... |
| O'Shields | The last name O'Shields is an Irish surname with roots that trace back centuries. Its derivation is derived from the Gaelic phrase "O’Siadhail” which means “descendant of Siadhal”. The root of the... |
| O'Shiels | The last name O'Shiels is an Irish name derived from the Gaelic moniker O’Siaghail, which combines the words “si” and “ghal”. In Irish Gaelic, “si” means “hawk” while “ghal” means “valuable”,... |
| O'Steen | The surname O'Steen is derived from a Gaelic personal name meaning "stone," likely referring to a person's strong or stubborn nature. It is an Irish clan name, associated with the Clan... |
| O'suaird | The surname O'Suaird is an anglicized form of an Irish Gaelic name, Ó Suairt or Ó Suaird. The prefix O' translates to "grandson of" in English, and Suairt or Suaird is the Early Modern Irish word for... |
| O'Sullivan | The surname O'Sullivan is an Anglicized version of the Irish surname Ó Súilleabháin. The surname is found mainly in the Munster region of Ireland and comes from an ancient Gaelic clan. The clan is... |
| O'Tierney | The last name O'Tierney is believed to be derived from the Irish surname Ó Tiarnaigh, which is a patronymic surname meaning 'son of Tierney'. The Tierney surname is an Anglicized form of the Gaelic... |
| O'Tierney | The last name O'Tierney is an Irish surname originating from the Gaelic surname "O Tighirne" or "O Tiarnaigh". The name is derived from two separate words in the Irish language; "tighirne" means... |
| O'Tierny | The last name O’Tierny is of Irish origin and is an Anglicization of the Gaelic surname Mac anTaoir which means "son of the leader" or "chief." The name was originally borne by a family who were... |
| O'Tighe | The Irish surname O'Tighe is derived from the Gaelic word “tighearna”, which means “lord” or “master”. The name likely originated in the 12th century when it was adopted by one of the powerful clans... |
| O'Tighearnaigh | The last name O’Tighearnaigh is an Irish surname. In this particular spelling, it is derived from the Gaelic surname ÓTighearnaigh, which is an Anglicised version of the old Gaelic name ÓHavearnaigh.... |
| O'Tighearnaigh. | The surname O'Tighearnaigh is an Anglicized version of the ancient Gaelic surname 'O Tiarnaigh', which is derived from the Irish 'tiarna' meaning 'Lord'. This surname was often used as a title for... |
| O'Toole | O'Toole is an Irish surname originally derived from the Gaelic Ó Tuathail or Ó Tothail meaning “descendant of Tuathal”. Tuathal was a 10th century King of the Uí Néill and High King of Ireland. The... |
| O'Tracy | The last name O’Tracy is of Irish origin. It is an Anglicized form of the Gaelic surname Ó Treasaigh, which is derived from the word “treasach” meaning “mighty” or “strong”. The root of the surname... |
| O'Trassy | The surname O'Trassy is an anglicized form of the Irish surname "Ó Trasai", which is derived from the Old Irish personal name "Trasaigh", meaning strong. This was likely an occupational name given to... |
| O'Treacy | The surname O'Treacy is an Irish surname derived from the native Gaelic O'Treasaigh Sept, which was located in the province of Munster. The name is derived from the Old Gaelic word 'Terasach', which... |
| O'Tressy | The surname O'Tressy has its roots in Irish families. It is derived from ‘O’Threasaigh’, a patronymic form of the personal name ‘Tressach’ in ancient Gaelic. The surname was first recorded in the... |
| O'Tully | The last name O'Tully is an Irish surname, originating from an old family who held the lands of Tully in the northern barony of Trathnona in County Leitrim. The name O'Tully derives from the Irish... |
| O'Tyernie | The last name O'Tyernie is derived from the Irish surname Ó TEIGHEARNA. This Irish patronymic surname originated as a Gaelic name from the elements "teige" which means poet, and "arna" which means... |
| O'Uallachain | The origin of the last name O'Uallachain is unclear, but it is believed to be derived from the word Úallach, a Gaelic word for "vigilant". This suggests that the family was likely to have been a... |
| O'Uallachain | The last name O'Uallachain is an ancient Irish surname of Gaelic origin. The name is composed of two distinct elements: "O" and "Uallachain". The prefix "O" is an Irish patronymic prefix and... |
| Oak | The last name Oak is of English origin and it is often a topographic name for someone who lived near a notable oak tree or in an oak tree forest. It's derived from the Old English word 'ac', meaning... |
| Oake | The last name Oake is of English origin and is a topographic name for someone who lived near a notable oak tree, derived from the Middle English 'oke'. It may have also denoted someone who lived by... |
| Oakeley | The surname Oakeley is derived from Old English pre 7th Century. It is a locational surname referring to a topographic or geographic feature, specifically "a clearing in an oak wood". Oakeley is made... |
| Oakes | The surname Oakes originates from the Old English pre 7th Century term "ac" for "oak". It is generally a topographic name for someone who lived by an oak tree or in an oak woodland. The name might... |
| Oakley | The surname Oakley has English origins and is derived from Old English. It is a topographic or habitational surname, which means it signifies a person's residence or birthplace. It is made up of two... |
| Oakly | The surname Oakly has English origins and is said to be derived from a geographical location, specifically a reference to "oak meadows" or "oak woods". It is likely that the family name was taken by... |
| OAKMAN / OACKMAN / | The last name Oakman, Oackman, Oakeman, and Okeman is derived from the Old English phrase “oak-ham,” which meant “home by the oak tree.” In the Middle Ages, oak trees were a common feature in British... |
| Oaks | The last name Oaks is of English origin and is topographic in nature. It often was given to someone who lived by a notable oak tree or an oak forest, deriving from the Old English word 'ac', which... |
| Oaksford | The etymology of the last name Oaksford is uncertain. It is believed to have originated in England, primarily in the counties of Hampshire and Dorset during the Middle Ages.
The name is thought to... |
| Oar | The last name Oar is likely of Old English origin, derived from the occupation of a boatman or oarsman. In old English, "oar" literally meant a paddle or a tool used for rowing a boat in water, which... |
| Oare | The surname Oare is of Anglo-Saxon origin, primarily associated with regions in England. Its exact meaning is unclear, but it is believed to be topographic, derived from Old English 'ora' which means... |
| Oast | The last name Oast is of Anglo-Saxon origin. It resulted from when the family lived near a structure known as an oast house, a building designed for kilning (drying) hops as part of the brewing... |
| Oates | The last name Oates has a few possible origins. It could have derived from an Anglo-Saxon locational name, from either the Old English ‘atte Oates’ which meant ‘at the oat fields’ or ‘atte Aa’ which... |
| Oats | The last name Oats is of Anglo-Saxon origin and is believed to be derived from a personal name, possibly a diminutive of names like Oswald, Osborn, or Osgar, which start with the Old English element... |
| Obar | The surname Obar is of Celtic origin, derived from the Gaelic "O'Beara" which signifies a descendent of Beara. Beara is a coastal region found in Ireland, located on the border of County Cork and... |
| Obbens | The surname Obbens doesn't have a particularly well-documented meaning or origin, which is the case with many rare or uncommon surnames. However, it is possibly of Dutch or German origin, given the... |
| Obel | The last name Obel is a German surname derived from the personal name Abel. Abel is believed to be derived from the biblical name Hebel, which is believed to be derived from the Hebrew word "hevel"... |
| Obele | The last name Obele is of German origin and is believed to be derived from the word walbe or walp meaning “distant or foreign.” Obele is typically seen as a regional surname found in Germany,... |
| Obels | The last name Obels is believed to be of Belgian or Dutch origin. It is believed to be derived from the old German word ‘Oulbeld’ which can be translated as ‘famous’ or ‘respected’.
The Obels... |
| Obelt | The last name Obelt is a name of German origin. It is derived from the Old German personal name Odilbald, consisting of two elements, the first being "Odil" and the second being "bald". The name... |
| Obenderhabighorst | The German surname Obenderhabighorst is believed to be derived from the German words “oben” meaning ‘above’, “der” meaning ‘the’, “Habighorst” meaning ‘mountain’, and “horst” meaning ‘wooded hill’.... |
| Obenhuber | The last name Obenhuber is of German origin, derived from the words ‘oben’, meaning ‘above’, and ‘huber’, meaning ‘farms’ or ‘references’. Together, the words create the literal translation of ‘above... |
| Obentheuer | The last name Obentheuer is derived from two different German words: “oben” and “theuer”. The former means “above” and the latter is “dear” or “valuable”. Thus, the name can be understood as... |
| Ober | The surname Ober is of German origin and means "upper" or "above". It was often used as a topographic surname for someone who lived in an upper or higher area, or as an occupational surname for a... |
| Oberacher | The last name Oberacher is derived from the German language and is believed to have originated in the region of Tyrol, Austria. It is thought to be a regional form of the surname Oberacher, which is... |