The 1930 census says Boyd was born about 1892 in Kentucky and that Arminda was born about 1873 also in Kentucky.
https://www.familysearch.org/ark:/61903/1:1:XMFV-3YR
Arminda Hall's death record naming parents:
https://www.familysearch.org/ark:/61903/1:1:N9GG-BMJ
Boyd's wife Ethel's maiden name was Cook:
https://www.familysearch.org/ark:/61903/1:1:F6CR-L2P
Henry H Hall born about 1886 in Kentucky as per the 1910 census:
https://www.familysearch.org/ark:/61903/1:1:M26R-M1C
1900 census showing Henry and Boyd with mother grandparents:
https://www.familysearch.org/ark:/61903/1:1:M9HG-T1F
Boyd's WWI draft registration shows his birth date to be 27 October 1891 in Viper, (Perry County), Kentucky:
https://www.familysearch.org/ark:/61903/1:1:K35B-CJJ
Boyd's WWII draft registration says he was 5' 8" tall, weighed 135 lbs, had black hair, and brown eyes:
https://www.familysearch.org/ark:/61903/1:1:QKC4-59SK
Henry's WWI draft registration says born 9 December 1885 or 1886? Wife's name Ara:
https://www.familysearch.org/ark:/61903/1:1:K35B-CVM
1930 census says Henry's wife's name was Ora:
https://www.familysearch.org/ark:/61903/1:1:XMFV-3YT
Henry's marriage to Ora Caudiel ? in 1911:
https://www.familysearch.org/ark:/61903/1:1:QKJ9-JMTY