[3] Thompson was born in County Fermanagh and educated at Trinity College, Dublin.
She married the Reverend John Fitzgerald Day of Beaufort, County Kerry.
John was the natural son of Mr Justice Robert Day of the Court of King's Bench (Ireland) and his companion (later his second wife) Mary Fitzgerald of Bandon, County Cork.
Lucy and John's daughter Anna married as his second wife Charles Towry-Law, 3rd Baron Ellenborough.
This article about an Irish Anglican cleric is a stub.