Brennan Family History

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Brennan Name Meaning

(predominantly southern) Anglicized form of Gaelic Ó Braonáin ‘descendant of Braonán’, a personal name from a diminutive of braon ‘moisture’, ‘drop’. Compare Breen. (predominantly northern) Anglicized form of Gaelic Ó Branáin ‘descendant of Branán’, a personal name meaning ‘little raven’ (see Brannigan).

Source: Dictionary of American Family Names ©2013, Oxford University Press

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Brennan Family Origin

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Brennan Family Occupations

What did your Brennan ancestors do for a living?

Census records can tell you a lot of little known facts about your Brennan ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

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  • Laborer

    18%
  • Keeping House

    10%
  • Farmer

    8%
  • Miner

    3%

In 1880, Laborer, Keeping House and Farmer were the top 3 reported jobs worked by Brennan. A less common occupation for the Brennan family was Miner. The most common Brennan occupation in the USA was Laborer. 18% of Brennan's were Laborers.

Source: Census data for Brennan | Data not to scale

Brennan Historical Records

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Brennan Life Expectancy

What is the average Brennan lifespan?

An unusually short lifespan might indicate that your Brennan ancestors lived in harsh conditions. A short lifespan might also indicate health problems that were once prevalent in your family. The SSDI is a searchable database of more than 70 million names. You can find birthdates, death dates, addresses and more.

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United States

Famous Brennan Family

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Audrey Hepburn1929 - 1993 (63)
Amelia Earhart1897 - 1939 (41)
Babe Ruth1895 - 1948 (53)
James Dean1931 - 1955 (24)
Audrey Hepburn1929 - 1993 (63)
Amelia Earhart1897 - 1939 (41)
Babe Ruth1895 - 1948 (53)

Martin Luther King, Jr.1929 - 1968 (39)
John Philip Sousa1854 - 1932 (77)
Ella Fitzgerald1918 - 1996 (78)
Frank Lloyd Wright1867 - 1959 (91)
Martin Luther King, Jr.1929 - 1968 (39)
John Philip Sousa1854 - 1932 (77)
Ella Fitzgerald1918 - 1996 (78)
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