Ohio Const. Schedule of 1851, § 19

The apportionment of the House of Representatives, during the first decennial period under this constitution, shall be as follows:

The counties of Adams, Allen, Athens, Auglaize, Carroll, Champaign, Clark, Clinton, Crawford, Darke, Delaware, Erie, Fayette, Gallia, Geauga, Greene, Hancock, Harrison, Hocking, Holmes, Lake, Lawrence, Logan, Madison, Marion, Meigs, Morrow, Perry, Pickaway, Pike, Preble, Sandusky, Scioto, Shelby and Union, shall, severally, be entitled to one representative, in each session of the decennial period.

The counties of Franklin, Licking, Montgomery, and Stark, shall each be entitled to two representatives, in each session of the decennial period.

The counties of Ashland, Coshocton, Highland, Huron, Lorain, Mahoning, Medina, Miami, Portage, Seneca, Summit, and Warren, shall, severally, be entitled to one representative, in each session; and one additional representative in the fifth session of the decennial period.

The counties of Ashtabula, Brown, Butler, Clermont, Fairfield, Guernsey, Jefferson, Knox, Monroe, Morgan, Richland, Trumbull, Tuscarawas, and Washington, shall severally, be entitled to one representative, in each session; and two additional representatives, one in the third, and one in the fourth session of the decennial period.

The counties of Belmont, Columbiana, Ross and Wayne, shall, severally, be entitled to one representative, in each session; and three additional representatives, one in the first, one in the second, and one in the third session of the decennial period.

The county of Muskingum shall be entitled to two representatives, in each session; and one additional representative, in the fifth session, of the decennial period.

The county of Cuyahoga shall be entitled to two representatives, in each session; and two additional representatives, one in the third, and one in the fourth session, of the decennial period.

The county of Hamilton shall be entitled to seven representatives, in each session; and four additional representatives, one in the first, one in the second, one in the third, and one in the fourth session, of the decennial period.

The following counties, until they shall have acquired a sufficient population to entitle them to elect, separately, under the fourth section of the eleventh article, shall form districts in manner following, to wit: The counties of Jackson and Vinton, one district; the counties of Lucas and Fulton, one district; the counties of Wyandot and Hardin, one district; the counties of Mercer and Van Wert, one district; the counties of Paulding, Defiance, and Williams, one district; the counties of Putnam and Henry, one district; and the counties of Wood and Ottawa, one district; each of which districts shall be entitled to one representative, in every session of the decennial period.

Done in convention, at Cincinnati, the tenth day of March, in the year of our Lord, one thousand eight hundred and fifty-one, and of the independence of the United States, the seventy-fifth.