| First Name | Princess |
| Last Name | Margaret |
| Maiden Name | Windsor |
| Full Name at Birth | Her Royal Highness Princess Margaret Rose of York |
| Other Names | Margaret Armstrong-JonesPrincess Margaret of YorkCountess SnowdonMargot |
| Age | 71 (age at death) |
| Date of Birth | August 21, 1930 |
| Birthplace | Glamis Castle, Glamis, Tayside, Scotland |
| Date of Death | February 9, 2002 |
| Location of Death | King Edward VII Hospital, London, England |
| Cause of Death | Stroke |
| Height | 5' 1" (155 cm) |
| Build | Slim |
| Eye Color | Blue |
| Hair Color | Brown - Dark |
| Star Sign | Leo |
| Religion | Anglican / Episcopalian |
| Ethnicity | White |
| Nationality | English |
| High School | Home schooled by Marion Crawford |
| Occupation Category | Royalty |
| Claim to Fame | Queen Elizabeth IIs sister, the Countess of Snowdo |
| Father | King George VI |
| Mother | Queen Elizabeth the Queen Mother |
| Sister(s) | Queen Elizabeth II |
| Friends | Sharman Douglas |
Princess Margaret, Countess of Snowdon (Margaret Rose; 21 August 1930 – 9 February 2002) was the younger sister of Elizabeth II and the younger daughter of King George VI and his wife Queen Elizabeth.