O'brien Family History
O'brien Name Meaning
Irish: Anglicized form of Gaelic Ó Briain ‘descendant of
Brian’, a personal name probably based on the element
bre- ‘hill’, with the transferred sense ‘eminence’,
i.e. ‘exalted one’. See also Bryan. In Ireland there has also
been some confusion with O’Byrne (see Byrne).
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
2,121,680
Historical Documents & Family Trees with O'brien
Name Distribution of O'brien Families
MAP:
United States
England & Wales
Scotland
Number of O'brien families
 399 - 796  134 - 398 |
 1 - 133  |
from the 1920 US Federal Census Data
Number of O'brien families
|
294 - 585 99 - 293 |
1 - 98 |
from the 1891 England and Wales Census Data
Number of O'brien families
|
235 - 468 79 - 234 |
1 - 78 |
from the 1891 Scotland Census Data
O'brien census records
You can see how O'brien 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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O'brien Family Origin
O'brien Immigration Information
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You can find out when most of the O'brien 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 O'brien
Click on a circle in the chart to view O'brien 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.
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from the Social Security Death Index (SSDI)
O'brien Family Occupations
from 1880 Federal Census Data
O'brien census records
Census records can offer a lot of little known facts about your O'brien ancestors, such as occupation.
Occupation can tell you about your ancestors' social status and economic status.
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O'brien Civil War Service Records
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