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From Ancestry.com as a reconstruction of the 1890 Census
Looks like William Harrison aka Harry couldn't decide how he would be listed.

Columbus, Ohio Directories, 1887-92

Benjamin F. Ollom, Harness maker, boards 99 N. Cleveland avenue, OH
Charles B Ollom, 99 N. Cleveland avenue, OH
Harry Ollom, 99 N. Cleveland avenue, OH

Charles B Ollom, harnessmkr, 152 1/2 N, High, Columbus OH, 1889 - 1890
Harry Ollom, harnessmkr, 107 E. Rich, Columbus OH, 1889 - 1890
William H. Ollom, harnessmkr, boards 107 E. Rich, Columbus OH, 1889 - 1890

Charles Ollom, harnessmkr, boards 39 W. Long, Columbus OH, 1890 - 1891
William H. Ollom, harnessmkr, 107 E. Rich, Columbus OH, 1890 - 1891

Charles B Ollom, harnessmkr, 152 1/2 N. High, Columbus OH, 1891 - 1892
Harry W Ollom, harnessmkr, rooms 10 Monypeny blk, Columbus OH, 1891 - 1892