Here is more information. It may be possible that Irene is Samuel’s daughter and that he had a first wife Elsie.The names and addresses match.

1918 California Voter Registrations, 1900-1968
Samuel K. Swartz 3386 16th Salesman

1918, September 10 World War I Draft Registration Cards, 1917-1918
Samuel Karstetter Swartz Birth Date 5 Mar 1876
476 Ellis San Francisco Occupation Drummer
Mother – Margaret Swartz – Ickesburgh, Perry County, PA

1920 California Voter Registrations, 1900-1968
Samuel K. Swartz 480 Ellis Salesman

1920, November 29
Irene A. Swartz born

1923 California Voter Registrations, 1900-1968
Samuel K. Swartz 416 19th Ave. Salesman
Mrs. Elsie C. Swartz 416 19th Ave. Housewife

1929, 1 June
Baby Samuel is born

1930 Census Address 416 19th
Swartz, Sam K. 47 yrs, born PA
Swartz, Inger A. 47 yrs.
Swartz, Irene 9 relationship to head of household daughter
Murphy, Jennie 65 year old lodger
(It looks as if the enumerator missed a line (that of Irene) and was placing Jennie Murphy’s information on Irene’s line. You can read Kentucky under California in Irene’s place of birth. For the father’s place of birth the enumerator starts the word with a P but leaves the ennessee from the line below.

1932 California Voter Registrations, 1900-1968
Samuel K. Swartz 416 19th Ave.
Mrs. Inger Swartz 416 19th Ave.

fM

You are all so AWESOME for helping me to continue my strange quest for information about this family. Thank you so much! If you ever need research done in my neck of the woods, please let me know!

XOXOXO,
Elizabeth
Little Bytes of Life