Gilbert is best remembered for the lyrics to the Oscar winning song "Zip-a-Dee-Doo-Dah" from the film Song of the South, which he wrote with Allie Wrubel in 1947. He also wrote American English lyrics for the songs in The Three Caballeros featuring Donald Duck.
He also wrote the Andy Williams' 1965 hit, "...and Roses and Roses".
He married actress Janis Paige in 1962.
Daughter, actress and singer Joanne Gilbert, July 17,1932