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Onsom Family History

Onsom 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: Som, Anson, Orso, Ono, Ensor, Odom, Bossom, Ondo, Folsom, Monson

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

Hint: Try searching for a relative alive in 1940.

Where is the Onsom family from?

You can see how Onsom families moved over time by selecting different census years. The Onsom family name was found in the USA in 1920. In 1920 there was 1 Onsom family living in Montana. This was about 50% of all the recorded Onsom's in USA. Montana and 1 other state had the highest population of Onsom families in 1920.
Use census records and voter lists to see where families with the Onsom surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What Onsom family records will you find?

Census Records

There are 39 census records available for the last name Onsom. Like a window into their day-to-day life, Onsom census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Onsom

Passenger Lists

There are 3 immigration records available for the last name Onsom. 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.

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Draft Cards

There are 3 military records available for the last name Onsom. For the veterans among your Onsom ancestors, military collections provide insights into where and when they served, and even physical descriptions.

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What is the average Onsom lifespan?

Average Onsom life expectancy in 1983 was 79 years. This was higher than the general public life expectancy which was 72.

An unusually short lifespan might indicate that your Onsom 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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