Eldridge was born Florence McKechnie in Brooklyn, New York, the daughter of Charles J. McKechnie.[3] She attended public schools, including P.S. 85 and Girls' High School.
Stage
Eldridge made her Broadway debut at age 17 as a chorus member of Rock-a-Bye Baby at the Astor Theatre.[4] The reference book American Theatre: A Chronicle of Comedy and Drama, 1930–1969 noted, "In the 1920s she won major attention in such plays as The Cat and the Canary and Six Characters in Search of an Author."[5]
In 1965, husband Fredric March and she did a world tour under the auspices of the U.S. State Department. Eldridge wrote that they were "experimenting to see if an acting couple doing excerpts from plays on a bare stage could reach and appeal to a worldwide audience."[6]
Personal life
On March 19, 1921, Eldridge married Howard Rumsey, who owned the Empire Theater and the Knickerbocker Players (both in Syracuse) and the Manhattan Players of Rochester. They were wed at her aunt's home in Maplewood, New Jersey.[7]
She was married to Fredric March from 1927 until his death in 1975, and appeared alongside him on stage and in seven films.[8][9] They adopted two children, Penelope and Anthony.[10] Like her husband, she was a liberalDemocrat.[11]