Surname Costelloe - Meaning and Origin
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Costelloe: What does the surname Costelloe mean?
The surname Costelloe is of Irish origin, specifically from the Gaelic Mac Coisdealbha, which means "son of Coisdealbhach." The name "Coisdealbhach" itself is composed of two elements: "coisdeal," meaning "steadfast" or "faithful," and "bach," a diminutive suffix. The surname is predominantly found in the regions of Connacht and Leinster in Ireland. The Costelloe family was historically a powerful Irish clan, owners of large territories. The anglicized form 'Costello' is more commonly used globally than Costelloe. Despite its roots in Ireland, the surname has spread to many different countries due to the Irish diaspora, and can now be found in the United States, Canada, Australia, and England, among others. It's important to note that the interpretations of surnames are influenced by regional interpretation, historical context, and original spelling; the information provided here is a general understanding of the meaning of the name.
Order DNA origin analysisCostelloe: Where does the name Costelloe come from?
The surname Costelloe is derived from Irish origins, specifically from the Gaelic "Mac Coisdealbha," which means "son of Coisdealbh," the latter being a personal name. Coisdealbh signifies a "triumphant in battle." The name first appeared in Counties Mayo and Roscommon, parishes of the Barony of Costello in Connacht province, Ireland. Though due to historical emigration patterns, it is common to find individuals bearing the Costelloe surname around the globe today, it remains predominantly found in Ireland. Additionally, this surname has also proliferated in countries such as the United States, Canada, Australia, and the United Kingdom, where Irish diaspora settled in significant numbers.
Variations of the surname Costelloe
The surname Costelloe is of Irish origin. It is an anglicized form of the Irish Gaelic surname Mac Oisdealbhaigh, which translates to the "son of Oisdealbh," a given name meaning "esteemed" or "fortunate." This surname has been recorded in various forms over the centuries, reflecting changes in spelling rules, pronunciation, and legibility in written records.
The main variants include Costello, Costelo, Costellow, Costellowe, and Costely. Other versions are derived from phonetic spellings such as MacOstello, MacCostello, and Costelo. There are even broader deviations like O'Costelloe or MacAstello. These are all essentially variations of the same surname, Costelloe.
These variations can be attributed to the fact that many Irish surnames were translated to English, then reinterpreted back into a more Irish form. This complex and overlapping process led to a wide variety of spellings for the same names.
As for other surnames of the same origin, since Costelloe derives from the Gaelic personal name Oisdealbh, other surnames descending from this root may be considered of the same origin. For instance, the original form Mac Oisdealbhaigh itself could be seen as a surname of the same origin.
Famous people with the name Costelloe
- Bernardine Eugénie Désirée Costelloe: She was a scholar and a feminist in the late 19th and early 20th century who was married to Sir Sydney Olivier, 1st Baron Olivier.
- Daniel Costelloe: He is a contemporary philosopher and barrister, and author of the book 'Legal Philosophy: From Plato to Hegel'. He is also married to a renowned author, Marina Lewycka.
- Reggie Costelloe: An Australian rules footballer who played for South Fremantle in the West Australian Football League (WAFL).
- Barbara Stephen Cariou Costelloe: She was the second wife of entertainer songwriter Michael Holliday in the 1950s.
- William F. Costelloe: He was a businessman and stockbroker with roots in Ireland. He was also the father of Bernardine.
- Biddy Costelloe: A character in the British sitcom 'Dinnerladies' played by Sue Cleaver. Please note, a more famous 'Costello' without the 'e' at the end includes Elvis Costello, the famous British musician.