Mary's boyfriend was a drag racer
Tommy Ivo (born April 18, 1936).
Tommy Ivo, also known as "TV Tommy" and "Instant Ivo" is an actor and drag racer, who was active in the 1960s racing community.
His acting career began in the early 1940s, with notable performances including Cousin Arne in I Remember Mama (1948), Joey in Prejudice (1949), and William Button in Plymouth Adventure (1952). He appeared on Make Room for Daddy as daughter Terry's boyfriend Walter in "Terry Goes Steady" in 1958. From 1959 to 1961, Ivo appeared in five episodes of The Donna Reed Show as Mary's boyfriend, Herbie Bailey.