In 1851 John Jones (19) of Llanddwywe, waggoner employed at home, was with his parents in Pentre-mawr Llanenddwyn.
In 1861 John Jones (29) of Llanenddwyn, stone mason, and wife Elizabeth (30) of Llanfair, were living in Panteich, Ffestiniog. Present were children (born in Festiniog): Jennet (3), John S. (1)
In 1871 John Jones (39) of Llanenddwyn, stone mason, and wife Elizth. (40) of Llandanwg were living in Ysgoldy Ffestiniog. Present were daughters (born in Festiniog): Mary (6), Elizabeth (4), Laura E. (1)
1881 John Jones (49) of Llanenddwyn, mason, and wife Elizabeth (50) of Harlech, were living in Ysgoldy Ffestiniog. Present were children (born in Festiniog, unmarried): Jeannette (23), teacher, Elizabeth (14), scholar, Laura E. (11), scholar, Owen W. (9), scholar, Jane M. (6), scholar
In 1891 John Jones (59) of Llanenddwyn, mason, and wife Elizabeth (60) of Maentwrog, were living in High Street Festiniog. Present were daughters (unmarried) Jeannet (33), schoolmistress, Laura E. (21), milliner, Jane M. (16), general domestic servant, lodger John Williams (22) of Llanfair, grocer
In 1901 John Jones (69) of Dyffryn, stone mason, and wife Elizabeth (35) of Harlech, housekeeper, were living at 134 High St., Festiniog. Present was daughter Janett Jones (43), school teacher