John McMahon b. 1780 Co Clare and d. 1860 Co Clare. He married Ellen Moroney, b. 1785 Co Clare and died 1850 Co Clare (Ireland Censuses 1841 and 1851)
Family history: John McMahon (Carpenter) C 1770 married to Ellen (surname not Known c 1770) most likely married around 1800. They may have had two sons. Patrick (also a Carpenter) C 1810 who married Mary Reidy/Reedy (Daughter of Michael and Susan) who with the following children emigrated to Jersey City, New Jersey, USA about 1867. All the children were born in the Kildysert area . Michael (Carpenter) b Circa 1845. Ann b C 1849, Patrick (Carpenter) c 1850, Thomas (Carpenter) c 1851, John c 1853, Eleanor c 1854, Mary c1856, Bernard c1858 and George c1860. This couple also had a daughter Susan C1842 who went to Australia in 1862 and married Thomas McCormack. The second son Michael (also a Carpenter)C 1812 married Bridget O'Loughlin They had the following children and went to Ipswich , Queensland, Australia in 1855. Maria (Mary) b c1840, Ellen c 1843, Bridget c 1844, Hannah c 1847, John c 1851, Michael (Carpenter) 1854, They also had two children born in Australia Elizabeth 1856, Lucy 1858. It appears that all the male members were all Carpenters following in a family tradition
I have a Michael Mc Mahon born 1780 Co Clare who maried an Ellen Moroney.
Their son Patrick b 1802-1810 Married Mary Reidy and they went to New Jersey. Her father is Michael Reidy
Hope this helps you or other McMahons Note differences in dates Otherwise correct