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
2,121,664
Historical Documents & Family Trees with O'brien
Name Distribution of O'brien Families
MAP:
England & Wales
Scotland
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 Emigration Information (US)
Click on a circle in the chart to view O'brien emigration records
You can find out when most of the O'brien families immigrated
to the United States.
You can focus your search to emigration records dating from that era.
Emigration 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
O'brien Emigration Information (AU)
Click on a circle in the chart to view O'brien emigration records
You can find out when most of the O'brien families immigrated
to Australia.
You can focus your search to emigration records dating from that era.
Emigration records can tell you an ancestor's name, ship name, port of departure,
port of arrival and destination.
View all O'brien emigration records >
from the Australian Convict Transportation Registers 1787-1868
O'brien Family Occupations
from 1881 UK 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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Military Service by O'brien
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