Mahon was the son of unknown parents. The date and place of his birth have not been found.
He died in 1565. The place is not known.
His wife was Móre O'Brien, who he married in BEF 1565. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1565 |
|