Lady Margaret Percy was born 1447 to Henry Percy, 3rd Earl of Northumberland (1421-1461) and Eleanor Poynings (c1422-1484) . She married William Gascoigne (c1450-1487) .
Children
| Name | Birth | Death | Joined with |
| William Gascoigne of Gawthorpe (1468-1545) | |||
| Thomas Gascoigne (c1470-) | |||
| Elizabeth Gascoigne (1471-1559) | 1471 | 1559 | George Talboys (1467-1538) |
| Margaret Gascoigne (-c1515) | 1473 Gawthorpe, Yorkshire, England, United Kingdom | 6 July 1515 St Andrews Church, Bothal, Northumberland, England, United Kingdom | Ralph Ogle, 3rd Baron Ogle (1468-1513) William Scargill (c1470-) |
| Agnes Gascoigne (c1476-) | Thomas Fairfax (c1476-c1521) | ||
| Dorothy Gascoigne (c1477-) | |||
| Henry Gascoigne (c1479-) | |||
| John Gascoigne (c1481-) | |||
| Eleanor Gascoigne (c1483-) | |||
| Maud Gascoigne (c1484-) | |||
| Joan Gascoigne (c1486-) | |||
Residences
Footnotes (including sources)
| ‡ General |
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| ¢ Children |
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