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Killroy Family History

Killroy Surname Meaning

Historically, surnames evolved as a way to sort people into groups - by occupation, place of origin, clan affiliation, patronage, parentage, adoption, and even physical characteristics (like red hair). Many of the modern surnames in the dictionary can be traced back to Britain and Ireland.


Similar surnames: Kilroy, Killey, Gilroy, Milloy, Milroy, Killion, Killmon, Hillary

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

Hint: Try searching for a relative alive in 1940.

Where is the Killroy family from?

You can see how Killroy families moved over time by selecting different census years. The Killroy family name was found in the USA, the UK, and Scotland between 1840 and 1920. The most Killroy families were found in USA in 1880. In 1891 there were 8 Killroy families living in Yorkshire. This was about 57% of all the recorded Killroy's in United Kingdom. Yorkshire had the highest population of Killroy families in 1891.
Use census records and voter lists to see where families with the Killroy surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What Killroy family records will you find?

Census Records

There are 921 census records available for the last name Killroy. Like a window into their day-to-day life, Killroy census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Killroy

Passenger Lists

There are 158 immigration records available for the last name Killroy. 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 Killroy immigration records

Draft Cards

There are 95 military records available for the last name Killroy. For the veterans among your Killroy ancestors, military collections provide insights into where and when they served, and even physical descriptions.

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You've only scratched the surface of Killroy family history

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What is the average Killroy lifespan?

Between 1962 and 1976, in the United States, Killroy life expectancy was at its lowest point in 1962, and highest in 1976. The average life expectancy for Killroy in 1962 was 81, and 93 in 1976.

An unusually short lifespan might indicate that your Killroy 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.

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