1881 Birth: 15 September, Warren Co., Iowa. ("John A L. Gibson")
1885 Census: Richland Twp., Decatur Co., Iowa. (Just NE of Beaconsfield)
1895 Census: Decatur Co., Iowa.
1900 Census: Beaconsfield town, Monroe Twp., Ringgold Co., Iowa. (BP Sept 1881)
1906 Marriage: Ringgold Co., Iowa.
1910 Census: Monroe, Ringgold Co., Iowa.
1920 Census: Monroe, Ringgold Co., Iowa.
1925 Census: Lincoln-Tingley, Ringgold Co., Iowa.
1930 Census: Monroe, Ringgold Co., Iowa. (Single)
1940 Census: Monroe, Ringgold Co., Iowa. (m. Lottie)

Burial: Oliver Cemetery, Ellston, Ringgold Co., Iowa.
Note: Stone says "1880-1941", but 1900 Census gives him a BD of Sept 1881.

Note: 1900 Census has him working as a hired hand for future wife Nellie's father William.
Note: 1920 Census shows mother's BP as Iowa, but 1930 Census shows it as Illinois. 1930 Census shows both stating Illinois.
Note: Chet's obituary provides nickname of "Johnny".

Source: (Marshall's birth) Iowa, County Births, 1880-1935 via Family Search accessed 23 Nov 2015.