Namesakes
Emmy Award Winners:
1 actress
(actress) Olivia Colman 2021 The Crown 
Notable Actors and Entertainers:
2 actors
Ronald Colman 1891-1958
Olivia Colman 1974-
Oscar Award Winners:
1 actor, 1 actress
(actor) Ronald Colman 1948 A Double Life
(actress) Olivia Colman 2019 The Favourite