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Surname Sinnott - Meaning and Origin

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Sinnott: What does the surname Sinnott mean?

The surname Sinnott is an anglicized form of the Irish surname Ó Siadhnait. This name is derived from the Gaelic personal name Siadhne, which likely meant "generous one".

The surname was first found in County Leitrim in Connacht. Over time, the name spread to other parts of the country, which included the areas of County Tipperary and County Galway. Both of these counties are in the province of Munster. From there, the surname spread all over Ireland and into the diaspora.

The most famous bearer of this surname was probably James "Jim" Sinnott, a statesman who served in the Irish Republican Army during the War of Independence from Britain. In later years, he became a Senator and remained politically active until his death in 1959.

The surname Sinnott is a reminder of a proud Irish heritage and a reminder of the bravery and fortitude of the people who carried it into the diaspora. The strength and resilience of the Irish is alive in the modern day bearers of this surname, as they continue to honor and celebrate their heritage. Ultimately, the last name Sinnott stands for loyalty, strength, independence, and tradition.

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Sinnott: Where does the name Sinnott come from?

The last name Sinnott is quite common today, especially in Ireland. It is derived from the Gaelic word "sionnachuir," which indicates someone of "noble entitlement" or "honorable lineage." According to Name Planet, it is the 50th most common surname in Ireland, and most frequent in the County Wexford.

In England, the surname is registered at 1,032 occurrences, per the UK census of 2011. In the United States, Sinnott is the 1,846th most common surname, obvious from the US census of 2020. People with Sinnott have been mostly found in Eastern states, including Massachusetts, New York, Pennsylvania, and Michigan.

Other countries where Sinnott is quite common include Canada, Australia, and South Africa. In Canada, Sinnott is the eighth most common surname in Newfoundland and Labrador. In South Africa, it is the 4th most common surname in the Western Cape.

Despite appearing mostly amongst the Irish diaspora, the name Sinnott is not restricted to Ireland and is found across the world today. Its etymology and proud patriarchal lineage continue to enthrall everyone who bears it today!

Variations of the surname Sinnott

The surname Sinnott is of two origins, both originating in Ireland. The most common origin for this surname is the Norman name de Sinnott, indicating a family was seated at the old Knights Templar manor of Senet in County Kilkenny.

The second origin of the surname is from the Olde Irish Gaelic name "Mac Senachta" meaning "son of Senacht". It is also appears under several different variations and spellings including Sinnott, Sinnott, Senott, Synot, Synott, Synnott, Senot, Sinnotts, Synnotts, Synnotta.

This family was a branch of the McCarthy’s and a territory of the Iffernan’s of County Cork.

Both spellings of the surname can be found in parts of Ireland, England and the United States and in emigrant families around the world.

The most common present-day variants include: Sinnott, Sinnott, Senott, Synot, Synott, Synnott, Senot, Sinnotts, Synnotts, Synnotta.

In North America, descendants of this name tend to use either the Sinnott form or the Synnott form of the name. Other rare variants which are found may include Sinnat, Senat, Sinnottl, Sinnet, Sinnit, Senett, Sinnatt, Senent, Sinnete, Sinnitt, Sinnate, Sinnittt, Sinnetts, Sinnot, Senotte, Synnet, Sinett, Sinott, Synnetts, Sinnotte, Synnette, Sinnatte, Synnotte, Sinnette, Sinnotts.

The spelling of the surname Sinnott may have been influenced by the spoken language or local dialect of the particular place it was found in. It should be remembered that the spellings of a surname rarely, if ever, stay the same in any given location throughout any length of time.

Famous people with the name Sinnott

  • John Sinnott: Irish television and radio presenter
  • Paul Sinnott: Irish former Fine Gael politician, solicitor and author
  • Stephen Sinnott: Irish trade union official
  • Tony Sinnott: Former professional football player for Austin Spurs, the Dallas Tornado and the Long Island Rough Riders
  • Gerry Sinnott: Irish former footballer
  • Matt Sinnott: Australian rules footballer
  • Christine Sinnott: Businesswoman, model and beauty queen from Ireland
  • Jim Sinnott: English former professional footballer
  • Sean Sinnott: Former Irish Fine Gael politician
  • Susie Sinnott: U.S. Television Producer for A+E/Lifetime

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