Background
Sinclair was born Miriam Rosen to Max and Sylvia Rosen.
Sinclair was born Miriam Rosen to Max and Sylvia Rosen.
Sinclair began her career at age 18 in 1939. She danced and acted in many Broadway shows and tours, including starring as Ariel in The Tempest on tour (1945), and featured with Gene Kelly in Pal Joey on Broadway (1940-1941). Other Broadway credits include Happy as Larry as Lachesis (1950).
As the Girls Go as Mission Swenson (1948-1950).
Sons o" Fun as Little Nell and Ensemble (1941-1943) and Too Many Girls (1939-1940). After retiring from performing, she had several successful careers, including casting for television, floral design, and as a travel agent.
In her late 60s, she began doing portrait sculpture, both in-the-round and bas-relief, one of which hangs in the lobby of the Players" Club in Manhattan.