Lady Maria Amelia Beauclerk was the eldest child of Lord William Beauclerk, later 8th Duke of St. Albans, and his second wife Maria Janetta Nelthorpe. She was probably born in early May 1800 possibly at Redbourn Hall, and was baptised 18 May 1800 at Parish Church of Redbourne, in Linconshire, England.
She was admitted to the Ticehurst House Hospital, then called
↑ "England, Lincolnshire, Parish Registers, 1538-1990," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QL1N-TSRF : 9 March 2018), Maria Amelia Beaucler?, 18 May 1800, dau of Wm Beaucler? and Maria Janetta Beaucler?; citing Baptism, Redbourne, Lincolnshire, England, United Kingdom, Lincolnshire Record Office, Lincoln; FHL microfilm 1,450,447.