Tiernan Family History

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Tiernan Name Meaning

Irish (Westmeath and Mayo): reduced Anglicized form of Gaelic Ó Tíghearnáin ‘descendant of Tíghearnán’, a diminutive of Tighearna, a byname meaning ‘lord’, ‘master’. Compare Tierney, McKiernan. Woulfe believes Ó Tíghearnáin to be a variant of Ó Tíghearnaigh (see Tierney) in both counties.

Source: Dictionary of American Family Names ©2013, Oxford University Press

Similar surnames: Kiernan, Tierney, Kieran, Dinan, Toran, Riordan, Tivnan, Mctiernan

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Tiernan Ethnicity Estimate

What are the common regions with the Tiernan name?

These results combine data from everyone in the AncestryDNA® database with the last name Tiernan. The Ancestry® ethnicity regions shown are top five most common on average for these people.

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  • Ireland & Scotland


  • England & Wales


  • Germanic Europe


  • France


  • Eastern Europe & Russia


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Tiernan Family Origin

Where is the Tiernan family from?

Tiernan Family Occupations

What did your Tiernan ancestors do for a living?

In 1881, a less common occupation for the Tiernan family was Ag Labourer. The most common Tiernan occupation in the UK was Annuitant. 9% of Tiernan's were Annuitants. Annuitant, Laborer and Labourer were the top 3 reported jobs worked by Tiernan.

View Census data for Tiernan | Data not to scale

  • Annuitant

  • Laborer

  • Labourer

  • Ag Labourer


Census records can tell you a lot of little known facts about your Tiernan ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

Tiernan Historical Records

What Tiernan family records will you find?

Census Record

There are 19,000 census records available for the last name Tiernan. Like a window into their day-to-day life, Tiernan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search 1891 UK census records for Tiernan

Passenger List

There are 4,000 immigration records available for the last name Tiernan. 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 Tiernan immigration records

Draft Card

There are 4,000 military records available for the last name Tiernan. For the veterans among your Tiernan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Tiernan military records

You've only scratched the surface of Tiernan family history.

Tiernan Life Expectancy

What is the average Tiernan lifespan?

Between 1946 and 2004, in the United States, Tiernan life expectancy was at its lowest point in 1946, and highest in 1988. The average life expectancy for Tiernan in 1946 was 23, and 74 in 2004.

View Social Security Death Index (SSDI) for Tiernan

An unusually short lifespan might indicate that your Tiernan 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.

Famous Tiernan Family Ancestors

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