The 1900 census wasn't taken in Copiah county until June so if D Y was born there, I should have picked him up in a census but didn't.Checked the 1910/20 Copiah census' also but to no avail.Checked for Owens/Owen.
You might make another post for a WWI draft lookup for more information. WWI Civilian Draft Registrations Name:Owens, D.Y. Birth Date:1900 Birth Place:b. 1 Aol [sic] City/County:Copiah State:MS Ethnicity:W
SSDI Name Birth Death Last Residence Last Benefit SSN Issued D OWENS01 Apr 1900 Apr 1964 (District of Columbia) (none specified) 578-18-5826 District of Columbia
He probably had high rank in the service or was killed in Vietnam to be buried in Arlington. (I think)