| County Mayo | |
|---|---|
| Former county constituency for the House of Commons | |
| County | County Mayo |
| 1801–1885 | |
| Seats | 2 |
| Created from | County Mayo (IHC) |
| Replaced by | |
County Mayo was a parliamentary constituency in Ireland, which returned two Members of Parliament (MPs) to the House of Commons of the Parliament of the United Kingdom from 1801 to 1885.