Isaac Cahill, a farmer, was born in Union County, Ohio, March 31, 1850, and is a son of J. E. and Hannah (Brisben) Cahill.  His father was a native of Pennsylvania, where he followed farming until 1839, when he came to this county and engaged extensively in farming and stock dealing.  Our subject was raised on the farm, but received all the advantages of a collegiate education in the colleges at Marysville and Delaware.  He has chosen farming for an occupation and in it has been very successful, now owning 217 acres of land.  He and his brother, Benton, have farmed in partnership and are now partners in everything but their real estate.  Mr. Cahill was married, in 1876, to Tillie Figley, by whom he has one child, John E. Mrs. Cahill is a member of the Presbyterian Church.  Mr. Cahill is a stockholder in the Richwood Bank, a Democrat in politics and a member of Richwood Lodge, No. 303, F. & A. M.  He occupies a neat and comfortable residence, built at a cost of $4,500, and is very much attached to his home and family.