| Birth | 1443 | | | | |
| Birth | 31 May 1443 | Bedford, Bedfordshire, England | | | |
| Birth | 31 May 1443 | Bletsoe Castle, Bedfordshire, England | | | |
| Birth | 9 Jun 1443 | Bletsoe, Bedford, England | | | |
| Marriage | Bef Nov 1482 | Earl Thomas Stanley of Derby | | | |
| Marriage | Bef Nov 1482 | Lathom, Lancashire, England - Earl Thomas Stanley of Derby | | | |
| Burial | 1509 | Westminster, Middlesex, England | | | |
| Death | 1509 | | | | |
| Death | 29 Jun 1509 | Westminister, Middlesex, England | | | |
| Death | 29 Jun 1509 | Westminster Abbey, Westminster, England | | | |
| Death | 29 Jun 1509 | Deanery of Westminster Abbey, Westminster Abbey, Middlesex, England | | | |
| Burial | Jul 1509 | Henry VII Lady Chapel, Westminster Abbey, London, England | | | |
| Burial | 3 Jul 1509 | Westminster, City of Westminster, Greater London, England | | | |
| Alt name | | Countess Margaret Beaufort | | | |
| Alt name | | Margaret Beaufort Countess of Richmond and Derby | | | |
| Alt name | | Lady Margaret Beaufort | | | |
| Burial | | Westminster Abbey, Westminster, Middlesex, England | | | |