Her LNAB should be Morgan. Her first husband's surname was Mercer. Her marriage certificate for this marriage is shown on the FAG profile. There was no source quoted for that, or I would have included it.
Sources
Find a Grave, database and images (https://www.findagrave.com/memorial/61754055/alice-elizabeth-mercer_rewis : accessed 18 September 2021), memorial page for Alice Elizabeth Morgan Mercer Rewis (1893–25 Feb 1958), Find a Grave Memorial ID 61754055, citing Hargraves Chapel Cemetery, Millwood, Ware County, Georgia, USA ; Maintained by Miss Charlie (contributor 46872799) .
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