1900 US Census, Moro, Sherman County, OR #137-140: Milton Damon May 1862 38 m. 15 years MI MI MO Martha Damon April 1867 33 2children/1 living MO Unk MO Blaine Damon April 1888 son 12 OR MI MO. Joseph Weatherford Feb 1879 boarder 21 OR Unk Unk.
1 January 1909 Grass Valley Journal, Grass Valley, Sherman County, OR: Arthur B. Damon m Hazel Bentley of Moro 27th December 1908.
1910 US Census, Jackson Road, Arkansaw Pct., Cowlitz County, WA #37-37: Arthur B. Damon 23 OR IA WI farmer Hazel M. Damon 17 IA US US.
1911 – 1912 Washington State Births • Marjorie Elizabeth Damon 15 April 1911 Cowlitz County To Arthur Blaine Damon and Hazel Marie Bentley. • Unnamed Damon 16 Nov 1912 Cowlitz County to Arthur Blaine Damon and Hazel M. Bentley.
1917-18 WWI Draft Registration Cards Arthur Blaine Damon, 29, Arkansaw (sic) Pct., Castle Rock, Cowlitz County, WA Born 12 Feb 1888 Moro, OR Occupation, farming, self-employed Wife, two children Medium height/build; grey eyes; dark brown hair.
1920 US Census, Manns Creek Pct., Washington County, ID #309-314: Blaine A. Damon 33 divorced rental house farmer OR IA MO.
1920 US Census, Portland, Multnomah County, OR #554-96-197: Peter M. Laughlin 48 day laborer IA US US Hazel M. Laughlin 27 WI KY WI Margarie M. Damon 8 step-daughter WA OR WI Wilma M. Damon 7 step-daughter WA OR WI.
1930 US Census, Portland, Election Pct. 432, East 22nd Street N., Multnomah County, OR #1406-47-47: Arthur B. Damon 42 proprietor barber shop OR IA MO Jennie E. Damon 34 wife, agent/foundation garment IA IL PA Christian H. Rudig 71 father-in-law IL GER GER Ida E. Rudig 65 mother-in-law PA PA WV.
Social Security Death Index: Arthur Damon died Dec 1971, born 12 Feb 1888 Last residence, Portland, OR.
1971 Sherman County Journal: “Services in Portland for Blaine Damon. A. Blaine Damon, born in Moro on Feb. 12, 1888 to Mr. and Mrs. Milt Damon, passed away Dec. 15 1971 in Portland. He is survived by his wife Jennie Damon, 2 daughters, Marjorie and Muriel, several grandchildren and great-great grandchildren. Private burial was held at Sunset Hills Memorial Park in Portland.