Edward Crawford (1761-1831)
Marian and Agnes Wilder were the daughters of
Flora Agnes Gamble Wilder, the daughter of
Sarah Jane Hathaway Gamble, the daughter of
Martha Isabel Hagerty Hathaway, the daughter or
Elinor (aka Ellen) Crawford Hagerty, the daughter of
Edward Crawford, the son of
Alexander Crawford, who may have immigrated from Ireland in the 1700's, but may have been from Virginia.
This link is to a synopsis of the life of Edward Crawford.