| County Mayo | |
|---|---|
| Former county constituency for the Irish House of Commons | |
| County | County Mayo |
| –1801 | |
| Seats | 2 |
| Replaced by | Mayo |
County Mayo was a constituency represented in the Irish House of Commons from 1611 to 1800. Between 1725 and 1793, under the Penal Laws, Catholics and those married to Catholics could not vote.