Reason:Same person.
(He never married. Went away when a young man in Scotland and was never heard of again.) taken from Biography of Grandmother Ann Boyack Ririe By LaVerna Burnett Newey http://www.ririe.org/history/documents/ann_boyack_biography.asp Ann Boyack Ririe was the brother of Alexander Boyack.
Because of information in above note, perhaps Alexander was never married to Rachel Emiline Hicks, only to Alexander's brother Peter Fenton Boyack.
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