1918 WWI registration. Delbert lived in Union City, Darke County, Ohio. He is a farmer and is married to Pearl Belle Sierer. He is of medium stature and has gray eyes and black hair.
1920 census Adelbert age 39 and Pearl age 35 Sierer lived in Jackson Twp, Darke County, Ohio with daughter Thelma age 15 and son Wilbur age 4. Daughter Fern Coby age 17 and son-in-law Hugh Coby age 22 lived with them.
1930 census DE age 50 and Pearl age 46 Sierer lived in Jackson Twp, Darke County, Ohio with son Wilbur age 14.