I've got them in the 1901 Census, although the ages are completely screwed up, you'd have to view the original on Scotlandspeople to make sense of what the transcriber has done. And they are living in 41 New Street, Duntocher. In the 1881 Census my g.grandparents lived at 41 New Street, First Stair. And my Dad was born in 42 New St., !!
MORGAN Arthur, 35, born Ireland. Occ: Labourer
MORGAN Mary, 50 (??), born Duntocher
MORGAN Arthur, 4, born Duntocher
MORGAN Patrick, 1, born Duntocher