| First Name | Margaret |
| Middle Name | Brooke |
| Last Name | Sullavan |
| Maiden Name | Sullavan |
| Full Name at Birth | Margaret Brooke Sullavan |
| Age | 48 (age at death) |
| Date of Birth | May 16, 1911 |
| Birthplace | Norfolk, Virginia, USA |
| Date of Death | January 1, 1960 |
| Location of Death | New Haven, Connecticut, USA |
| Cause of Death | Overdose of Barbiturates |
| Height | 5' 2½" (159 cm) |
| Build | Slim |
| Eye Color | Grey |
| Hair Color | Brown - Dark |
| Star Sign | Taurus |
| Ethnicity | White |
| Nationality | American |
| High School | Chatham Hall (1927) |
| University | Denishawn School of Dancing and Related Arts |
| Occupation Category | Actress |
| Claim to Fame | The Shop Around the Corner |
| Father | Cornelius Hancock (stockbroker) |
| Mother | Garland Brooke |
| Other Family Members | Brooke Hayward (daughter)Bridget Hayward (daughter)Bill Hayward (son) |
| Friends | Jimmy Stewart, Henry Fonda (remained life long friends), Joan Crawford, Kent Smith, Charles Feldman |
Margaret Brooke Sullavan (May 16, 1909 – January 1, 1960; studio publicity incorrectly reported her year of birth as 1911) was an American stage and film actress. Sullavan started her career on the stage in 1929. In 1933 she caught the attention of movie director John M. Stahl and had her debut on the screen that same year in Only Yesterday.
Selected Margaret Sullavan film and TV show credits: