Margaret Montgomery Pirrie

The Right Honourable
The Viscountess Pirrie
Born
Margaret Montgomery Carlisle

31 May 1857
Belfast, County Antrim, Ireland
Died19 June 1935(1935-06-19) (aged 78)
London, United Kingdom
SpouseWilliam Pirrie, 1st Viscount Pirrie

Margaret Montgomery Pirrie, Viscountess Pirrie (née Carlisle; 31 May 1857 – 19 June 1935) was an Irish public figure and philanthropist, the first woman Justice of the Peace in Belfast, and the first woman to receive the freedom of the city.