Mary Drummond

Mary Drummond
Countess Marischal
Tenure16941729
Born1675
DiedMarch 7, 1729(1729-03-07) (aged 53–54)
Edinburgh
Spouse(s)William Keith
FatherJames Drummond, 4th Earl of Perth

Mary Drummond (1675 – 1729) was a leading supporter of the Jacobites who wanted to bring a Catholic to the British throne. She became Mary, Countess Marischal in 1694. She is wrongly named as the author of the song When the King Comes O’er the Water but the song is in her voice.