Mary Devenport O'Neill
name = Mary Devenport O'Neill Mary Devenport O'Neill | |
|---|---|
Mary Devenport and Joseph O'Neill on their wedding day in 1908 | |
| Born | Mary Devenport 3 August 1879 Barrack Street, Loughrea, County Galway |
| Died | 1967 (aged 87–88) Dublin |
| Nationality | Irish |
| Spouse | Joseph O'Neill |
Mary Devenport O'Neill (3 August 1879 – 1967) was an Irish poet and dramatist and a friend and colleague of W. B. Yeats, George Russell, and Austin Clarke.