1901 census has Matthew with surname Wilson as stepson of Archibald Wilson at 7 Clune Brae, Port Glasgow
Archibald Wilson 41 stone mason b. Irvine, Ayrshire
Mary wife 37 b. Glasgow, Lanarkshire
Annie C dau 21 machinist canvas?
James son 19 stone mason
Nellie dau 17 17 flax weaver
Matthew stepson 17 stone mason b. Kilmacolm
Hugh C son 16 rivet heater
Andrew son 14
Archibald son 12
Agnes C dau 7
Katie M dau 2
Duncan Mc son 5 months
all born Port Glasgow unless noted otherwise
Archibald Wilson, widower, married Mary Kerr or Morgan, widow, 15 Oct 1897 in Port Glasgow. Mary gave her parents as George Kerr, carter, & Catherine ms McCorkindale.
Mary Kerr married James Morgan 5 Dec 1888 in Port Glasgow. 1891 census has James & Mary at Clune Brae Foot with son Matthew aged 8.
Mary's parents do not seem to have been married at the time of her birth
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