| Mary Forrest George | |
| Pseudonym: | Elizabeth Thornton |
| Birth Name: | Mary Forrest Baxter |
| Birth Date: | 24 January 1940 |
| Birth Place: | Aberdeen, Scotland, United Kingdom |
| Death Place: | Winnipeg, Manitoba, Canada |
| Occupation: | Novelist |
| Nationality: | British-Canadian |
| Period: | 1980–2010 |
| Genre: | Historical romance |
| Spouse: | Forbes George |
| Children: | 3 |
Mary Forrest George, née Baxter (24 January 1940 – 12 July 2010), well known as Elizabeth Thornton (her mother's name) is a British-Canadian writer of 31 historical romance novels from 1986 to 2010.
Born Mary Forrest Baxter on 24 January 1940 Aberdeen, Scotland, the younger of two children of Elizabeth Thornton and Andrew Baxter. In 1959, she married Forbes George, and they had three sons: Stephen, Peter and Thomas.
She was an elementary school teacher before establishing the St. Swithin Street Nursery School in 1967. In 1969, she and her husband and their three sons moved to Winnipeg, Manitoba, Canada, where she continued her teaching career. In 1977, she was appointed as a Pastoral Assistant of a Presbyterian Church in Winnipeg. In 1985, she completed an honors degree in Classical Greek winning the Gold Medal in Classics. Her honor's thesis was entitled "Women in Euripides."
She published her first novel in 1987 as Elizabeth Thornton, her mother's maiden name, and a year later she became a full-time writer.
Mary George died on July 12, 2010, in Winnipeg, Manitoba, Canada.