Joan.... According to "History of the Counties of Gloucester, Salem, and Cumberland New Jersey" by Thos. Cushing, M.D. and Charles E. Sheppard, Esq.......Ewansville is located in Harrison Twp., Gloucester County. "The village was named in honor of Israel Ewan". If you want any more info on Ewansville, please let me know. Barbara in Wilmington, NC