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

Keohane, 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 Keohane surname is from the 2010 census data.

Popularity of Keohane in America

Keohane is the 23238th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Keohane surname appeared 1,097 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 Keohane.

We can also compare 2010 data for Keohane 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 Keohane

The surname Keohane originates from Ireland, specifically the Irish County of Cork. It dates back to the 12th century and is an Anglicized version of the Irish Gaelic surname Ó Eochadha. The prefix 'O' signifies 'descendant of', while 'Eochadha' is derived from the personal name Eochaidh, meaning 'horse-warrior'.

Variations in spelling include Keohan, Keoghane, Keohon, and Keohan. The name is linked to the Uí Eachach Mumhan, a branch of the ruling Dál gCais dynasty that controlled parts of County Cork. The territory controlled by the Uí Eachach Mumhan was known as Oireacht Uí Eachoida, located in the baronies of Fermoy and Condons.

One of the earliest recorded instances of the name is found in the Annals of Inisfallen, a 12th-century chronicle of Irish history. The annals mention Aodh Ua Eochadha, a member of the ruling family, in the year 1192.

Another notable early figure was Domhnall Ó Eochadha, who served as the Bishop of Cloyne from 1339 to 1347. In the 16th century, Maol Muire Ó Eochadha was an influential poet and historian in the region.

In the 17th century, Dermot Keohane was a prominent figure during the Irish Confederate Wars, serving as a captain in the Confederate Catholic forces. He was later executed for his role in the conflict.

One of the most famous bearers of the name was John Keohane (1725-1805), an Irish-born British naval officer who served in the Royal Navy during the American Revolutionary War. He achieved the rank of Rear Admiral and was knighted for his services.

In the 19th century, Patrick Keohane (1847-1925) was a prominent Irish nationalist and member of the Irish Parliamentary Party, representing the Cork City constituency in the British House of Commons.

The name has been well-represented in various fields, including politics, literature, and sports, with individuals such as Michael Keohane, a former Irish Fine Gael politician, and John Keohane, an Irish author and journalist known for his works on the Irish Famine.

Race and ethnic origin of people with the last name Keohane

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

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 Keohane 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 Keohane 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 Keohane was researched and written by our team of onomatology and genealogy experts.

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

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