1880 - US Census - Van Buren Township, Newton, Missouri
Household ........Role ........Sex .....Age Birthplace
Jermiah Foster .Self .........Male ....65 ..South Carolina
Mary J. Foster ...Wife ........Female 43 ..Missouri
Jettson Foster ..Son .........Male ....18 ..Missouri
Ollia Foster .......Daughter Female 13 ..Texas
Almedea Foster Daughter Female 10 ..Missouri
Walter Foster ....Son .........Male ....7 ....Missouri

1890 - US Census - Destroyed in 1921 Census fire

1900 - US Census - Billings, Yellowstone, Montana
Household ...............Role .....Sex .....Age Birthplace .Birth Date
Frank D Baker ..........Head ...Male ....48 ..Illinois ........Jul 1852
Mollie A Baker .........Wife .....Female 41 ..Illinois .......Mar 1859
George F Baker .......Son ......Male ....17 ..Missouri ....Dec 1883
Alva Baker ...............Son ......Male ....14 ..Missouri ...May 1886
Georgia Mullen .......Servant Female 22 ..Ireland ......Oct 1878
Sanford J Baker ......Son .......Male ....21 ..Illinois ......Mar 1879
Arthur Tubbs ...........Roomer Male ....29 ..Wisconsin Mar 1871
Walter A Foster ........Roomer Male ....28 ..Missouri ...Sep 1872
Thornton J Jackson Roomer Male ....29 ..Illinois ......Dec 1871

1910 - US Census - Blaine Township, Clark, South Dakota
Household .......Role ..........Sex ......Age Birthplace
Walter A Foster Head .........Male ....37 ..Missouri
Minnie Foster ...Wife ..........Female 37 ..Illinois
Mary Foster ......Daughter .Female 6 ....South Dakota
Eva Foster .........Daughter .Female 4 ....South Dakota
Loren Foster .....Son ...........Male ....2 ....South Dakota
Nels Johnson ...Hired man Male ....43 ..Norway
Years Married: 7 (about 1903)

1920 - US Census - Afton Township, Ottawa, Oklahoma
Household ........Role .........Sex .....Age Birthplace
W A Foster .........Head .......Male ....47 ..Missouri
Mammie Foster Wife .........Female 47 ..Illinois
Mary Foster .......Daughter Female 15 ..South Dakota
Loren Foster .....Son ..........Male ....11 ..South Dakota
Walter Foster ....Son ..........Male ....8 ....South Dakota
Nellie Foster ......Daughter Female 5 ...South Dakota

Walter moved to Santa California in the last half of 1920. He established his home at 1229 11th Street, Santa Monica, California. He was a farmer and in 1925 stop working. He remained in Santa Monica the remainder of his life.

1930 - US Census - Santa Monica, Los Angeles, California
Household .....Role .........Sex .....Age Birthplace
Walter Foster .Head ........Male ....57 ..Missouri
Minnie Foster Wife ..........Female 57 ..Illinois
Loren Foster ..Son ..........Male ....22 ..South Dakota
Walter Foster .Son ..........Male ....19 ..South Dakota
Nellie Foster ...Daughter Female 15 ..South Dakota

The Gates Medenhall & Gates Funeral Directors were in change of funeral and Walter was cremated on December 4th 1934.