Lauren Chapin

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Lauren Ann Chapin was a five time Jr. Emmy award winning American actress who played the role of the youngest child "Kathy Anderson" on the television show Father Knows Best between 1954 and 1960. She appeared in 196 episodes of the 203 in the series. Two of her older brothers were also child stars, Billy and Michael Chapin.

Wikipedia. CC BY-SA 4.0. Updated Jul 20, 2026.