In 1871 Robert Owen (25) of Llanfair was with his parents in Ginshop, Llandanwg, Merioneth
In 1871 Robert Owen was a witness at the marriage of his brother Evan Owen to Margaret Jones.
In 1891 Robert Owen (45) of Llanfair, butcher, and wife Mary (34) of Llandanwg, were living in Castle Cottage, Llandanwg, Merioneth. Present was son William (13) of Llandanwg, schoolar
In 1901 Robert Owen (55) of Harlech, butcher, and wife Mary (45) of Harlech, were living in Castle Cottage, Llandanwg, Merioneth. Present were children (born in Harlech): William (23), butcher, Mary C. (8).
In 1911 Robert Owen (65) of Llanfair, butcher, and wife Mary (54) of Harlech (mother of two children, one deceased), were living in Castle Cottage Harlech.
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Robert Owen died aged 66 years.
Robert Owen of Castle Cottage Harlech Merionethshire died 3 July 1912. Probate St. Asaph 16 August to Mary Owen, widow, Effects £883.