Her parents were Catherine (born Selby) and lieutenant John Pemble of HMS Tr?ton.

[1] Mary wrote about Nelson noting that he took to wearing a wig because he had lost hair dues to a fever.

[4] After John Moutray died Mary petitioned for a pension and although she gained Royal support the request was denied by Lord Howe on the grounds that it might create a precedent for other claims.

Some commentators have supposed that if John Moutray had died in Antigua then Nelson would have married Mary.

[2] John and Mary's daughter Katherine (aka Kate) married the Thomas de Lacy who was a long-serving archdeacon of Meath in 1806.