Lenahan Family History

14-Day Free Trial


Lenahan Name Meaning

Irish: reduced Anglicized form of Gaelic Ó Leanacháin ‘descendant of Leanachán’, a personal name, probably derived from leann ‘cloak’. (Derivation from léanach ‘sorrowful’ is phonologically unlikely).

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

Similar surnames: Teahan, Linehan, Monahan, Lanahan, Renehan, Kinahan, Bresnahan

Ready to discover your family story?

Simply start with yourself and we'll do the searching for you.


Lenahan Ethnicity Estimate

What are the common regions with the Lenahan name?

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

Explore the full experience here
  • Ireland & Scotland


  • England & Wales


  • Germanic Europe


  • Eastern Europe & Russia


  • Italy


Your own DNA-based ethnicity estimate will differ from what you see here. To get your personalized ethnicity estimate, order an AncestryDNA® kit.order an AncestryDNA® kit.

Order a DNA Kit Today

Lenahan Family Origin

Where is the Lenahan family from?

Lenahan Family Occupations

What did your Lenahan ancestors do for a living?

In 1880, a less common occupation for the Lenahan family was Carpenter. The most common Lenahan occupation in the USA was Laborer. 23% of Lenahan's were Laborers. Laborer, Farmer and Keeping House were the top 3 reported jobs worked by Lenahan.

View Census data for Lenahan | Data not to scale

  • Laborer

  • Farmer

  • Keeping House

  • Carpenter


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

Lenahan Historical Records

What Lenahan family records will you find?

Census Record

There are 13,000 census records available for the last name Lenahan. Like a window into their day-to-day life, Lenahan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search 1940's US census records for Lenahan

Passenger List

There are 3,000 immigration records available for the last name Lenahan. Passenger lists are your ticket to knowing when your ancestors arrived in the USA, and how they made the journey - from the ship name to ports of arrival and departure.

View all Lenahan immigration records

Draft Card

There are 2,000 military records available for the last name Lenahan. For the veterans among your Lenahan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Lenahan military records

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

Lenahan Life Expectancy

What is the average Lenahan lifespan?

Between 1951 and 2004, in the United States, Lenahan life expectancy was at its lowest point in 1951, and highest in 2003. The average life expectancy for Lenahan in 1951 was 28, and 71 in 2004.

View Social Security Death Index (SSDI) for Lenahan

An unusually short lifespan might indicate that your Lenahan 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 Lenahan Family Ancestors

Discover the unique achievements of ancestors in your family tree

Famous ancestors img
Look up another name