Rev. John G. Jones was the religious and intellectual leader of the Welsh community in the village of Catasauqua. He earned his living as a pattern-maker for the Lehigh Crane Iron Works and he resided in one of the "company homes" at No. 315 Church Street. He was an educated man and he possessed a personal library of one hundred and fifty volumes, the largest collection in the village. They were mainly historical books, such as Plutarch and Josephus, with Shakespeare and other miscellaneous classics. The Rev. John G. and Magdalene Jones were blessed with the following children: David, born 1831, married Mersena Peter, daughter of John Peter; Mary, born 1835; Margaret, born 1837; William R., born February 23, 1839; Rebecca S., born 1841; Sarah M., born 1843; John, born 1845; and John born December 16, 1846, died September 18, 1847. Magdalene Jones passed away on September 12, 1847 and her remains were interred at the church-yard cemetery, they were later re-interred at Fairview Cemetery.
 
Rev. John G. Jones was in ill health for several years and he passed away on April 27, 1853 and his remains were later interred along with those of his wife at Fairview Cemetery. Several years before his death, Captain William R. Jones erected a granite monument over their graves at Fairview Cemetery.