Can't find any evidence for LNAB being Galbraith. Possibly another married named?
Marriage record for marriage to John Welsh gives LN as Carscadden and fathers name as John Carscadden. Needs research.
Sources
Marriage
"Ontario Marriages, 1869-1927," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FMJN-DSQ : 11 March 2018), John Welsh and Eliza Carscadden, 31 Dec 1884; citing registration , Palmerston, Wellington, Ontario, Canada, Archives of Ontario, Toronto; FHL microfilm 1,869,960.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9BF-22B : accessed 7 September 2018), Eliza A Welsh in household of John E Welsh, Port Huron city Ward 3, St. Clair, Michigan, United States; citing enumeration district (ED) 96, sheet 1A, family 10, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,741.
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