Billy's best-known stage routine was "Mrs. Murgatroyd," in which he impersonated a middle-aged lady having lunch after a shopping spree. He repeated a portion of the routine in the film Blue Skies (1946).
DeWolfe's body is buried at Mount Wollaston Cemetery in Quincy, Massachusetts.
Billy's parents wanted him to become a Baptist minister, but while he was still young Billy decided on a career as a performer.
Both of Billy's parents were born in Wales.
Billy DeWolfe: (his catch phrase after being asked what he's been up to, on many talk shows) Busy, busy, bizz-zzeee!