| Katherine Percy | |
|---|---|
| Countess of Kent | |
| Spouse(s) | Edmund Grey, 1st Earl of Kent |
| Issue | |
| Father | Henry Percy, 2nd Earl of Northumberland |
| Mother | Lady Eleanor Neville |
| Born | May 18, 1423 |
| Died | 1475 |
Lady Katherine Percy (May 18, 1423 – c. 1475) was the daughter of Henry Percy, 2nd Earl of Northumberland and Lady Eleanor Neville.
Her maternal grandparents were Ralph Neville, 1st Earl of Westmorland and his second wife Joan Beaufort, a legitimized daughter of John of Gaunt.
She married Edmund Grey, 1st Earl of Kent and had seven children: