Brennan Family History
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).
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
878,515
Historical Documents & Family Trees with Brennan
Name Distribution of Brennan Families
MAP:
United States
England & Wales
Scotland
Number of Brennan families
 911 - 1,819  304 - 910 |
 1 - 303  |
from the 1920 US Federal Census Data
Number of Brennan families
|
475 - 948 159 - 474 |
1 - 158 |
from the 1891 England and Wales Census Data
Number of Brennan families
|
90 - 177 31 - 89 |
1 - 30 |
from the 1891 Scotland Census Data
Brennan census records
You can see how Brennan families moved over time by selecting different Census years.
Census records can tell you little-known facts about your ancestors such as birthplace, occupation and value of personal estate.
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Brennan Family Origin
Brennan Immigration Information
Click on a circle in the chart to view Brennan immigration records
You can find out when most of the Brennan families immigrated
to the United States.
You can focus your search to immigration records dating from that era.
Immigration records can tell you an ancestor's name, ship name, port of departure,
port of arrival and destination.
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from the New York Passenger Lists
Average Life Expectancy for Brennan
Click on a circle in the chart to view Brennan birth and death records
An unusually short lifespan might indicate that your 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.
View all Brennan ancestors in the SSDI >
from the Social Security Death Index (SSDI)
Brennan Family Occupations
from 1880 Federal Census Data
Brennan census records
Census records can offer a lot of little known facts about your Brennan ancestors, such as occupation.
Occupation can tell you about your ancestors' social status and economic status.
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Brennan Civil War Service Records
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