Find out how popular the last name Sennott is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Sennott.

Sennott, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Sennott surname is from the 2010 census data.

Popularity of Sennott in America

Sennott is the 55741st most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Sennott surname appeared 368 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Sennott.

We can also compare 2010 data for Sennott to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Sennott

The surname Sennott is of Irish origin, and it is believed to have originated in County Cork, Ireland, during the 16th century. The name is derived from the Irish Gaelic words "sean" meaning "old" and "nott" meaning "humble" or "poor". It was likely a descriptive surname given to someone who was humble or poor in their ways.

One of the earliest recorded instances of the Sennott surname can be found in the Fiants of the Reign of Elizabeth I, where a Thomas Sennott is mentioned as receiving a pardon in 1590. The surname was also present in the Ulster Plantation, a planned process of colonizing Ulster in the early 17th century, where several Sennott families were recorded as settlers in County Donegal.

In the 17th century, the Sennott family held lands in the parish of Kilshannig, County Cork. The name is also associated with the town of Castletownroche, where a prominent Sennott family resided during this period. This family's lineage can be traced back to John Sennott, who was born around 1620.

One notable individual with the Sennott surname was James Sennott, born in County Cork in 1710. He was a prominent merchant and landowner, and he played a significant role in the economic development of the region. Another notable figure was Michael Sennott, born in 1775, who served as a captain in the Irish Rebellion of 1798 and fought against British rule.

During the 19th century, many Sennott families emigrated from Ireland to various parts of the world, including North America, Australia, and New Zealand. One such individual was Patrick Sennott, born in 1820, who emigrated to the United States and became a successful farmer in Massachusetts.

Another notable figure was John Sennott, born in 1845, who was a renowned architect in New York City. He designed several notable buildings, including the Old Colony Trust Company Building and the Bank of America Building in Manhattan.

In more recent history, Daniel Sennott, born in 1920, was a prominent Irish-American businessman and philanthropist. He founded the Sennott Corporation, a successful construction company based in Boston, and was actively involved in various charitable organizations.

Race and ethnic origin of people with the last name Sennott

We also have some data on the ancestry of people with the surname Sennott.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Sennott was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Sennott has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Sennott was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Sennott, please contact us.

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