• Born: 1872, Llandecwyn, Merioneth, Wales
• Married: 1896, Festiniog district, Merioneth, Wales ¹
• Died: 17 Aug 1934, Dinas, Llanfair, Merioneth, Wales ^{2 3}

  Research Notes:

In 1891 John Morgan Jones (18) of Llandecwyn was with his parents in Llandecwyn, Merioneth.

In 1901 John Morgan Jones (28) of Llandecwyn, farmer, and wife Mary (27) of Llanfair, were with Mary's widowed mother Catherine Jarrett (67) of Llanenddwyn, looking after the farm, in Dinas, Llanfair. With them were their daughters (born in Llanfair): Catherine Ann Jones (4) and Jane Jones (7 mo)

In 1911 John Morgan Jones (38) of Llandecwyn, farmer, and wife of 14 years Mary (37) of Llanfair (mother of 3 children), were living on Dinas Farm, Llanfair. Present were children (born in Llanfair): Cassin Anne (14), Jane (10), Gwen Mary (6), Mary's mother Cathrin Jarrett (77) of Llanenddwyn, widow.

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John Morgan Jones died aged 62 years. ²

John Morgan Jones of Dinas Llanbedr Merionethshire died 17 August 1934. Administration Bangor 17 September to Mary Jones, widow. Effects £1001 11s. 9d. ³