Alongside Howard A. Coffin, he remains the last Republican to represent any part of Detroit in Congress, as of 2024.

Youngblood was born in Detroit, Michigan, attended the public schools, and graduated from St. Joseph's Commercial College in 1927.

After leaving Congress, he served as special assistant to the Director of Foreign Operations Administration in the Berlin area in 1954 and 1955.

He was an unsuccessful candidate for Michigan House of Representatives from Wayne County (1st District) in 1958.

He was a resident of Tucson, Arizona until his death and is interred there in East Lawn Cemetery.