found this but his wifes name is polly or patty, so, maybe a first marriage, ?
Ace
CaldwellAge: 25 years
Estimated birth year: 1894
Birthplace: Kentucky
Race: White
Home in 1920: Marrowbone, Leslie,
KentuckyHome owned: View Image
Sex: View Image
Marital status: View Image
Year of immigration: View Image
Able to read & write: View Image
Roll: T625_586
Page: 3B
ED: 154
Image: 0659