On July 8, 1909, he married Ruth Hartman.[1] In 1923, he divorced Hartman.[1] On July 19, 1926, in London, he married Leah Barnato.[2] In 1933, he and Barnato divorced, and he married Avonne Taylor.[1] In 1934, the couple purchased a farmhouse estate in Brookfield, Connecticut.[3] They were divorced in 1936.[1] He later was married to Nancy Nichelson Bradsby, widow of Hillerich & Bradsby baseball bat executive Frank Bradsby, until her death in 1947. In 1948 he married Ann Enoch, and they were still wed when he died.[1]
On June 17, 1955, Blackwell died in Miami, aged 71.[1]
Carlyle Blackwell went to England in 1921 and played the first Bulldog Drummond in film, in a movie called Bulldog Drummond (1922).
On Page 18, Chapter 2, in ' A Notable Woman ', ( Canongate Books, 2015 ), the English Diarist, Jean Lucey Pratt, is quoted as having seen Blackwell filming : Saturday, Sept. 11th., 1927 : " On the rocks, just below the Mullion Hotel...we discovered ...he is Carlyle Blackwell ". He was filming ' The Rolling Road '.
He stayed and worked in England until 1931, both in the theater and in movies.