Mcwilliam Family History

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Mcwilliam Name Meaning

Scottish and northern Irish: Anglicized form of Gaelic Mac Uilleim, a patronymic from a Gaelicized form of William, frequently Anglicized as Williamson. Northern Irish: variant of McQuillan.

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

Similar surnames: Mcwilliams, Mckillip, Mcgill, Mcmillan, Mcgillis, Mcmillin, Mccollum

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Mcwilliam Family Origin

Where is the Mcwilliam family from?

Mcwilliam Family Occupations

What did your Mcwilliam ancestors do for a living?

In 1880, Farmer, Blacksmith and Laborer were the top 3 reported jobs worked by Mcwilliam. The most common Mcwilliam occupation in the USA was Farmer. 29% of Mcwilliam's were Farmers. A less common occupation for the Mcwilliam family was Clerk In Store.

View Census data for Mcwilliam | Data not to scale

  • Farmer

  • Blacksmith

  • Laborer

  • Clerk In Store


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

Mcwilliam Historical Records

What Mcwilliam family records will you find?

Census Record

There are 40,000 census records available for the last name Mcwilliam. Like a window into their day-to-day life, Mcwilliam 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 Mcwilliam

Passenger List

There are 7,000 immigration records available for the last name Mcwilliam. 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 Mcwilliam immigration records

Draft Card

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

View all Mcwilliam military records

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

Mcwilliam Life Expectancy

What is the average Mcwilliam lifespan?

Between 1952 and 2004, in the United States, Mcwilliam life expectancy was at its lowest point in 1952, and highest in 1965. The average life expectancy for Mcwilliam in 1952 was 29, and 68 in 2004.

View Social Security Death Index (SSDI) for Mcwilliam

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

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