- Birth: (Date and Place unknown)
- Death: (Date and Place unknown)
- Partnership with: (Unknown)
Descendants of Peter MCMAHON
1 Peter MCMAHON
=(Unknown)
2 Margaret MCMAHON
=Peter CHIGWIDDEN Marriage: 29 AUG 1854, Cudlee Creek, South Australia
3 Alexander CHIGWIDDEN
=Marie Theresa NUGENT Marriage: 29 JAN 1880, Yongarrie, South Australia
4 Peter Bernard CHIGWIDDEN
4 James CHIGWIDDEN
4 Margaret CHIGWIDDEN
= KELLY
4 John Joseph CHIGWIDDEN
4 Alexander Thomas CHIGWIDDEN
4 Mary CHIGWIDDEN
4 James CHIGWIDDEN
4 Elizabeth CHIGWIDDEN
4 Ellen CHIGWIDDEN
4 Charles Sylvester CHIGWIDDEN
4 William Aloysius CHIGWIDDEN
4 Leo Francis CHIGWIDDEN
3 Catherine CHIGWIDDEN
= KEOUGH
3 Peter CHIGWIDDEN
3 John CHIGWIDDEN
=Ada Elizabeth
4 Elsie May CHIGWIDDEN
3 Leo CHIGWIDDEN
3 Elizabeth CHIGWIDDEN
3 James Henry CHIGWIDDEN
=Mary Ann WALSH
4 Peter CHIGWIDDEN
4 Mary Gertrude CHIGWIDDEN
4 Margaret Teresa CHIGWIDDEN
4 Catherine Agnes CHIGWIDDEN
4 James Joseph CHIGWIDDEN
3 Susan CHIGWIDDEN
= GERRON
3 Peter Francis CHIGWIDDEN
=Florence Annie BRIGHT Marriage: 24 FEB 1897, Carrieton, South Australia
4 Margaret Mary CHIGWIDDEN
4 Gertrude Agnes CHIGWIDDEN
4 Florence Emma CHIGWIDDEN
4 Peter Joseph CHIGWIDDEN
4 John Thomas Patrick CHIGWIDDEN
3 Mary Ellen CHIGWIDDEN
3 Charles CHIGWIDDEN
3 Peter Bernard CHIGWIDDEN