Born in Goginan, Cardiganshire and educated at Lewis School Pengam and the University of Wales, Aberystwth.
Matriculated at Clare in 1897 to study Natural Sciences.
1899 BA and 1903 MA.
1 August 1912 married Muriel Gwendolen Edwards, a colleague and keen climber. She was the first woman to be elected a Fellow of the University of Wales.
1901 - demonstrator to the Jacksonian Professor of Natural Philosophy, Sir James Dewar.
1902 became a Fellow of Clare College and then a lecturer.
1907 - became a keen climber after receiving some tuition in Snowdonia.
1909 - member of the Alpine Club.
Jones and his wife were killed in an accident on their honeymoon in Switzerland, while climbing the Aiguille Rouge de Peuterey 2941m a subpeak of Aiguille Noire de Peuterey on 15 August 1912 in Italy. Their guide, Julius Truffer, slipped and fell on Jones, and all three dropped nearly 1,000 feet to the Fresnay Glacier.