To clarify - on the marriage certificate Lewis is a Sawyer. His address appears to be Brynyr Owen (also spelled Bryn yr Owen or Brynyrowen - site of a colliery)
1901 - near iron Birdge, pwllgwaun (part of Pontypridd)
Lewis Hughes    52 - b Llangollen (transcribe by Ancestry as Llangoelen)  gardener
Mary Hughes    58
Lewis Hughes    22 - b Dolgelly, hewer of coal below
William L Hughes    20 - b Dolgelly, draper's traveller
RG13, 5010, 123, 68