Arthur Clinton Mason b Dec 15 1874 d. Nov 3 1959 MO married 5 Aug 1896 in Daviess Co MO, Elizabeth Ellis, the daughter of james O. Ellis and Phoebe Ann Coffey. Arthur C Mason was farming in the 1920 census in Salem Twp, Daviess Co MO. Both buried Jamesport Masonic Cemetery, Daviess Co. MO See Find a grave.
I am not a researcher of this particular family but am posting this in case it helps anyone. I found two of his sons:
Gordon E. Mason born March 24 1902 MO d. June 3 1967 MO married Fannie Marie Waters (see Find a Grave for Jamesport Masonic Cemetery, Daviess Co MO)
Virgil C. Mason b 11 Sept 1905 d. 21 Mar 1975 in Chillicothe, Livingston Co MO. Buried Resthaven Cem, Livingston MO. He married Mildred V. Kessler on 7 Aug 1927 in Gallatin, Daviess Co MO.