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Decao Family History

Decao 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: Delao, Decato, Dean, Cao, Dear, Deo, Deak, Ducat, Dacko, Dech

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

Hint: Try searching for a relative alive in 1940.

Where is the Decao family from?

You can see how Decao families moved over time by selecting different census years. The Decao family name was found in the USA in 1920. In 1920 there was 1 Decao family living in Connecticut. This was 100% of all the recorded Decao's in USA. Connecticut had the highest population of Decao families in 1920.
Use census records and voter lists to see where families with the Decao surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
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What Decao family records will you find?

Census Records

There are 12 census records available for the last name Decao. Like a window into their day-to-day life, Decao census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Decao

Passenger Lists

There are 5 immigration records available for the last name Decao. 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 Decao immigration records

Draft Cards

There are 7 military records available for the last name Decao. For the veterans among your Decao ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Decao military records

You've only scratched the surface of Decao family history

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What is the average Decao lifespan?

Between 1970 and 2002, in the United States, Decao life expectancy was at its lowest point in 1970, and highest in 1988. The average life expectancy for Decao in 1970 was 41, and 72 in 2002.

View Social Security Death Index (SSDI) for Decao

An unusually short lifespan might indicate that your Decao 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.

Discover the unique achievements of ancestors in the Decao family tree

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