Cousin of actor Cactus Mack and Glenn Strange.
During WWII, he lived in New Jersey. He sang on radio station WTNJ in Trenton under the name "Cactus Rex". He went from there to the National Barn Dance in Chicago, and from there to Hollywood.
Had a heart attack and fell down behind his caretaker's car, which was parked in the driveway of his home, and which ran over him later. Apparently the car actually killed him.
Has one son, Rex Allen Jr., a former country music star who also spent time as a regular on The Statler Brothers' syndicated show.
He narrated more than 80 Walt Disney films.
He was the original voice of the "father" character in Walt Disney's "Carousel of Progress" attraction at Disneyland and Walt Disney World.
His horse was named Koko "The Miracle Horse of the Movies."
Inducted into the Hall of Great Western Performers of the National Cowboy and Western Heritage Museum in 1983.