Darby Demetry O'Mahony
- Born circa 1718
Parents
- Daniel O'Mahony (c. 1673 - )
- Maria Mac Carthy Reagh (c. 1684 - )
Family
- Married with Michelle Julie de Fresnoye, issuing
- Jean François (1772 - 1842)
Occupations
- lieutenant au régiment Irlandais de Dillon