The 1920 Census for the town of San Joaquin in Sacramento County, California lists the following:

-Eisaku Sakakihara, head of household, Japanese, age 39, born in Japan to Japanese-born parents, married, immigrated in 1905, an alien, could read and write, spoke English, a farmer with a vineyard and an employer. Farm schedule #257.

-Hatsuyo Sakakihara, wife of Eisaku, Japanese, age 32, born in Japan to Japanese-born parents, married, immigrated in 1911, an alien, could neither read nor write, did not speak English, no occupation.

The children were all listed as Japanese, born in California to parents born in Japan. All of them shared the surname, Sakakihara and were listed as Japanese. As is the custom with U.S. censuses, their relationship is only given to the head of household:

-Tomoya, daughter, female, age 6
-Hiromi, son, male, age 4 years and 9 months
-Harry, son, male, age 3 years and 8 months
-Jimi, son, male, age 1 year and 5 months

Also living with the family was Gitaro Oshima, a servant, male, Japanese, age 45, married, immigrated in 1905, an alien, born in Japan to parents born in Japan, did not speak English, was a laborer in a vineyard and working for wages.

In 1930, the census for San Joaquin, Sacramento County, California showed the following at 224 North Florin Road:

-Eisaku Sakakihara, head-of-household, male, Japanese, age 50, married 31 years, did not attend school that year, could read and write and spoke English, born in Japan to parents also born in Japan (his birth family spoke Japanese at home), immigrated in 1905, an alien, was a Famer and a vineyardist, and was an employer; farm schedule #148

-Hatssuyo Sakakihara, wife of the head-of-household, female, Japanese, age 43, married 31 years, did not attend school that year, could read and write, born in Japan to parents born in Japan (her birth family spoke Japanese in the home), immigrated in 1911, an alien, could speak English, no occupation

The children were all shown to have been born in California to parents born in Japan. All shared the surname, Sakakihara, were listed as Japanese, and their relationship is only given to the head-of-household:

-Hirome, son, male, age 15, single, could read and write and spoke English, no occupation
-Harry, son, male, age 14, single, could read and write and spoke English, no occupation
-James, son, male, age 13, single, could read and write and spoke English, no occupation
-Thomas, son, male, age 9
-Benjamin, son, male, age 9
-Kioka, daughter, female, age 8
-Tamia, daughter, female, age 4½

Most of the people on this census page, including people who probably were not related to this family, were listed as "vineyardists.