History of your Surname
Get access to Koga family records.Start a free trial

Koga Family History

Koga Name Meaning

Japanese: meaning ‘old river’ and variously written such as 古河 or 古賀 with one ancient variant of imperial descent written 久我 and pronounced Kuga; other alternate readings are Furukawa or Kogawa and are derived from a village named Koga in Shimōsa (now Chiba prefecture). The most common Koga name is mainly found in Kyūshū and is descended from the Takeda family. The name is also found in the Ryūkyū Islands.

Source: Dictionary of American Family Names 2nd edition, 2022


Similar surnames: Soga, Koba, Haga, Toda, Koda, Kosa, Loga, Noya, Hoga, Hora

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

Hint: Try searching for a relative alive in 1940.

Black & white image of a young woman scientist

Where is the Koga family from?

You can see how Koga families moved over time by selecting different census years. The Koga family name was found in the USA, Canada, and Scotland between 1871 and 1920. The most Koga families were found in USA in 1920. In 1871 there were 4 Koga families living in Perthshire. This was 100% of all the recorded Koga's in Scotland. Perthshire had the highest population of Koga families in 1871.
Use census records and voter lists to see where families with the Koga surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What did your Koga ancestors do for a living?

In 1940, Laborer and Laborer were the top reported jobs for men and women in the USA named Koga. 19% of Koga men worked as a Laborer and 25% of Koga women worked as a Laborer. Some less common occupations for Americans named Koga were Salesman and Manager. .

View Census Data for Koga | Data not to scale

*We display top occupations by gender to maintain their historical accuracy during times when men and women often performed different jobs.

United States shown, England data unavailable

Top Male Occupations In 1940

  • Laborer
    19%
  • Farmer
    17%
  • Proprietor
    10%
  • Salesman
    9%

Top Female Occupations In 1940

  • Laborer
    25%
  • Helper
    21%
  • Housekeeper
    13%
  • Manager
    9%
Black & white image of two construction labourers

What Koga family records will you find?

Census Records

There are 1,000 census records available for the last name Koga. Like a window into their day-to-day life, Koga census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Koga

Passenger Lists

There are 3,000 immigration records available for the last name Koga. 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 Koga immigration records

Draft Cards

There are 833 military records available for the last name Koga. For the veterans among your Koga ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Koga military records

You've only scratched the surface of Koga family history

Discover More

What is the average Koga lifespan?

Between 1961 and 2004, in the United States, Koga life expectancy was at its lowest point in 1977, and highest in 1967. The average life expectancy for Koga in 1961 was 73, and 67 in 2004.

View Social Security Death Index (SSDI) for Koga

Discover the unique achievements of ancestors in the Koga family tree

Explore Your Tree

Browse profiles of historical people with the Koga last name

Search for another surname
Enter last name/surname
Start a 14-Day Free Trial