It seems the name McRill is a variant spelling of Mackeral accordingto v arious records.
1790 Huntingdon Co, PA. At census ime Benjamine Mackrell lived nextd oor to Mary's Uncle Joshua Chilcot with her parents and UncleHumphry f arther down. In Benjamin's household were 2 males over 16,1 under, an d 3 females.
