Catherine Beauclerk, Duchess of St Albans

Catherine Beauclerk
Duchess of St Albans
Born	Lady Catherine Ponsonby (1742-10-14)14 October 1742
Died	4 September 1789(1789-09-04) (aged 46)
Noble family	Ponsonby (by birth) Beauclerk (by marriage)
Spouse(s)	Aubrey Beauclerk, 5th Duke of St Albans ​ ​ (m. 1763)​
Issue	Aubrey Beauclerk, 6th Duke of St Albans William Beauclerk, 8th Duke of St Albans Lady Catherine Burgess Lord Amelius Beauclerk Lord Frederick Beauclerk Lady Caroline Dundas Lady Georgiana Beauclerk
Father	William Ponsonby, 2nd Earl of Bessborough
Mother	Lady Caroline Cavendish

Catherine Beauclerk, Duchess of St Albans (née Lady Catherine Ponsonby; 14 October 1742 – 4 September 1789) was a British noblewoman. She was Duchess of St Albans through her marriage.