Mary Ann Nicolay | |
|---|---|
 | |
| Born | August 2, 1850 |
| Died | 15 October, 1939 (aged 89) |
| Nationality | British Australian |
| Occupation | matron |
Mary Ann Nicolay (2 August 1850 – 15 October 1939) was a British Australian Nightingale nurse and hospital matron primarily in the Australian city of Perth.