<page_title> List of counties in Ohio </page_title> <section_title> List of counties </section_title> <table> <cell> Trumbull County <col_header> County </col_header> <col_header> Adams County </col_header> <col_header> Allen County </col_header> <col_header> Ashland County </col_header> <col_header> Ashtabula County </col_header> <col_header> Athens County </col_header> <col_header> Auglaize County </col_header> <col_header> Belmont County </col_header> <col_header> Brown County </col_header> <col_header> Butler County </col_header> <col_header> Carroll County </col_header> <col_header> Champaign County </col_header> <col_header> Clark County </col_header> <col_header> Clermont County </col_header> <col_header> Clinton County </col_header> <col_header> Columbiana County </col_header> <col_header> Coshocton County </col_header> <col_header> Crawford County </col_header> <col_header> Cuyahoga County </col_header> <col_header> Darke County </col_header> <col_header> Defiance County </col_header> <col_header> Delaware County </col_header> <col_header> Erie County </col_header> <col_header> Fairfield County </col_header> <col_header> Fayette County </col_header> <col_header> Franklin County </col_header> <col_header> Fulton County </col_header> <col_header> Gallia County </col_header> <col_header> Geauga County </col_header> <col_header> Greene County </col_header> <col_header> Guernsey County </col_header> <col_header> Hamilton County </col_header> <col_header> Hancock County </col_header> <col_header> Hardin County </col_header> <col_header> Harrison County </col_header> <col_header> Henry County </col_header> <col_header> Highland County </col_header> <col_header> Hocking County </col_header> <col_header> Holmes County </col_header> <col_header> Huron County </col_header> <col_header> Jackson County </col_header> <col_header> Jefferson County </col_header> <col_header> Knox County </col_header> <col_header> Lake County </col_header> <col_header> Lawrence County </col_header> <col_header> Licking County </col_header> <col_header> Logan County </col_header> <col_header> Lorain County </col_header> <col_header> Lucas County </col_header> <col_header> Madison County </col_header> <col_header> Mahoning County </col_header> <col_header> Marion County </col_header> <col_header> Medina County </col_header> <col_header> Meigs County </col_header> <col_header> Mercer County </col_header> <col_header> Miami County </col_header> <col_header> Monroe County </col_header> <col_header> Montgomery County </col_header> <col_header> Morgan County </col_header> <col_header> Morrow County </col_header> <col_header> Muskingum County </col_header> <col_header> Noble County </col_header> <col_header> Ottawa County </col_header> <col_header> Paulding County </col_header> <col_header> Perry County </col_header> <col_header> Pickaway County </col_header> <col_header> Pike County </col_header> <col_header> Portage County </col_header> <col_header> Preble County </col_header> <col_header> Putnam County </col_header> <col_header> Richland County </col_header> <col_header> Ross County </col_header> <col_header> Sandusky County </col_header> <col_header> Scioto County </col_header> <col_header> Seneca County </col_header> <col_header> Shelby County </col_header> <col_header> Stark County </col_header> <col_header> Summit County </col_header> </cell> <cell> Jonathan Trumbull (1710–1785), Governor of Connecticut when the county was organized <col_header> Etymology </col_header> <row_header> Trumbull County </row_header> </cell> </table>
Trumbull County is named after Jonathan Trumbull, Governor of Connecticut.