Marriage Index: Ohio, 1851-1900 Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Your Email *EmailConfirm EmailFull Name You Want Searched *Helpful InformationSubmit This index details around 272,000 individuals who married in Ohio from 1851 to 1900. The information includes marriages that took place before marriage licenses were mandatory, consolidating previously scattered data.