Margaretta Armstrong Finch-Hatton, Countess of Winchilsea and Nottingham (née Drexel) (March 1, 1885 – December 22, 1952) was an American heiress who married into the English aristocracy.

[7] Reportedly, after her presentation at court, she "at once attained great popularity in London society, she became the most highly sought-after debutante that season.

[9] He was the son of Henry Finch-Hatton, 13th Earl of Winchilsea and the former Anne "Nan" Jane Codrington.

In 1926 Guy (Toby) and Margaretta purchased their new country home, then named Buckfield House, at Sherfield-on-Loddon in Hampshire.

[18] In September 1939, Lady Winchilsea survived the sinking of the S.S. Athenia, which was torpedoed by a German U-boat.