I believe that my ggg grandfather was William Ormskirk Bowler. Your query states that he is your grandfather(???). Do have his children as Joseph O., Stephen T., William, and James H. Bowler, SR? I would love to know what additional information you have on this line.
Joseph, William Ormskirk, James H. SR, James H. JR, Joseph Wiley, Ralph Jewel, Stan (me)