[header] How to become a notary in ohio [title] Determine your eligibility. [step] In ohio, notaries must be 18 years of age and legal residents of the state. You also cannot have had a previous notary commission revoked, as this makes you ineligible. 
Having a criminal record could make it harder to become a notary, as notaries are expected to be highly law-abiding citizens. [substeps] If you are not a legal resident of ohio, you can still become a notary if you are an attorney who practices law in the state.