Beatrix Beauclerk, Duchess of St Albans

Her Grace The Duchess of St Albans
Holding her eldest child, Lady Blanche Beresford
Born	Lady Beatrix Frances Fitzmaurice 25 March 1877
Died	5 August 1953(1953-08-05) (aged 76)
Nationality	British
Other names	The Marchioness of Waterford Lady Osborne Beauclerk
Spouses	Henry Beresford, 6th Marquess of Waterford ​ ​ (m. 1897; died 1911)​ Osborne Beauclerk, 12th Duke of St Albans ​ ​ (m. 1918)​
Children	6
Parent(s)	Henry Petty-Fitzmaurice, 5th Marquess of Lansdowne Lady Maud Hamilton

Beatrix Frances Beauclerk, Duchess of St Albans, Marchioness of Waterford, GBE, DGStJ (25 March 1877 – 5 August 1953), born Lady Beatrix Frances Fitzmaurice, was a member of the Anglo-Irish aristocracy, both by birth and through her two marriages.