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

Manahan, 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 Manahan surname is from the 2010 census data.

Popularity of Manahan in America

Manahan is the 11722nd most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Manahan surname appeared 2,673 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 1 people would have the surname Manahan.

We can also compare 2010 data for Manahan 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 Manahan

The surname Manahan has its origins in Ireland, tracing back to the 16th century. It is believed to have derived from the Irish Gaelic name "Ó Manacháin," which means "descendant of Manachán." Manachán itself is a diminutive form of the Irish name "Manach," meaning "monk."

One of the earliest recorded mentions of the Manahan name can be found in the Annals of the Four Masters, a chronicle of medieval Irish history. The name appears in an entry from the year 1587, referring to a figure named Muircheartach Ó Manacháin, who was described as a distinguished scholar and poet from County Roscommon.

The Manahan surname was particularly prominent in the counties of Roscommon and Sligo in the western province of Connacht. It is also closely associated with the placename "Manahan" or "Monahin," a townland in County Roscommon. This suggests that the surname may have originated from a specific location within that area.

In the 17th century, a notable figure bearing the Manahan name was Edmond Manahan, who lived from 1628 to 1698. He was a prominent Catholic priest and philosopher from County Sligo, known for his writings on metaphysics and natural philosophy.

Another historical figure with the Manahan surname was John Manahan, born in 1758 in County Roscommon. He was a prominent Irish rebel who participated in the Irish Rebellion of 1798 and was later exiled to Australia for his involvement.

In the 19th century, one of the most renowned individuals with the Manahan name was Ambrose Manahan, born in 1813 in County Sligo. He was a celebrated poet and writer who contributed significantly to the Irish literary tradition of his time.

Other notable figures with the Manahan surname include Patrick Manahan (1823-1892), a Catholic priest and educator from County Roscommon, and Michael Manahan (1844-1907), a successful businessman and politician who served as a member of the Irish House of Commons.

While the Manahan name has its roots in Ireland, it has since spread to various parts of the world due to Irish emigration over the centuries. However, its origins can be traced back to the western counties of Ireland, particularly Roscommon and Sligo, where it was most prevalent in historical records.

Race and ethnic origin of people with the last name Manahan

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

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

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

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