O 'brien Family History

There are 3K census records available for the last name O 'brien. Like a window into their day-to-day life, O 'brien census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

There are 642 immigration records available for the last name O 'brien. Passenger lists are your ticket to knowing when your ancestors arrived in Australia, and how they made the journey - from the ship name to ports of arrival and departure.

There are 1K military records available for the last name O 'brien. For the veterans among your O 'brien ancestors, military collections provide insights into where and when they served, and even physical descriptions.