Obrennan Surname Meaning & Obrennan Family History at Ancestry.co.uk®

Search for a relative to learn more about your family history.

Where is the Obrennan family from?

You can see how Obrennan families moved over time by selecting different census years. The Obrennan family name was found in the USA in 1880. In 1880 there were 6 Obrennan families living in Illinois. This was 100% of all the recorded Obrennan's in USA. Illinois had the highest population of Obrennan families in 1880.

Use census records and voter lists to see where families with the Obrennan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

View Census Data for Obrennan

What Obrennan family records will you find?

Census Records

There are 159 census records available for the last name Obrennan. Like a window into their day-to-day life, Obrennan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Obrennan

Passenger Lists

There are 39 immigration records available for the last name Obrennan. Passenger lists are your ticket to knowing when your ancestors arrived in the UK, and how they made the journey - from the ship name to ports of arrival and departure.

View all Obrennan immigration records

Draft Cards

There are 31 military records available for the last name Obrennan. For the veterans among your Obrennan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Obrennan military records

You've only scratched the surface of Obrennan family history

Discover More

What is the average Obrennan lifespan?

Between 1981 and 2002, in the United States, Obrennan life expectancy was at its lowest point in 1985, and highest in 1992. The average life expectancy for Obrennan in 1981 was 80, and 71 in 2002.

Start a 14-Day Free Trial

Obrennan Family History