She was known as Miss Grant and she appeared in a play about Rob Roy MacGregor, Guy Mannering and Isidore de Merida with the tenor John Braham.
[1] She retired and married an older landowner, Temple West, of Mathon Lodge, Worcestershire, in 1831.
[4] She became known as a hostess inviting notable people to stay at Pencarrow House in Cornwall including Charles Dickens, Sir Arthur Sullivan and Emperor Napoleon III.
When she died she left her fortune to Byng's nephew and heir, as she was estranged from her dead husband's family.
[5] Molesworth continued to be a society hostess for thirty years until she died in Eaton Place on 16 May 1888.