His parents, Joseph and Sarah also listed sos.mo.gov.Also on findagrave.
I believe it was the 1941 St Joseph City Directory...Lillian [widow of Dale].They m aft 1930, but didn't find marriage.
Maybe the obits of some of above folks might be helpful [public library]
In all my yrs I've never seen this before on a census 1940 Neosho, Newton Co MO HUBBARD, Mamie 66 MO; widow YAGGER Dale 37 MO; DECEASED! Lillian 27 MO; roomer Vernon Dale 4 MO [b 12-14-1935; d 12-4-2010 Hattiesburg,Lamar MS] Ruth 2 MO