Mary Gonzaga Leahy

Mary Gonzaga Leahy (born Ellen Leahy; 12 June 1870 – 17 January 1958), known as Mother Mary Gonzaga, was a New Zealand Catholic nun and matron of the Mater Misericordiae Hospital in Auckland.

Gonzaga was born in Waimea West, Nelson, New Zealand, on 12 June 1870. She became a novitiate in the Sisters of Mercy in 1894 taking her vows in 1897 just before beginning her nursing training at St Vincent's Hospital in Sydney. From 1937 to 1950 she was the hospital's matron and in charge of the operating theatres, working with surgeon Carrick Robertson as his theatre sister.

Gonzaga died in the Mater on 17 January 1958. She was buried with Mary Agnes in the Hillsborough cemetery. In the 1939 King's Birthday Honours Leahy was appointed an Officer of the Order of the British Empire in recognition of her service as matron of the Mater Misericordiae Hospital. In 1953 she was awarded the Queen Elizabeth II Coronation Medal.