Here you can access online records search, apply for a passport, submit a Doing Business As application, get copies of birth, death, or marriage certificates, (Submit photocopies of the bride and groom's death certificates with this affidavit.) Signature of Applicant.Learn how to become a Notary Public in Orange County. Details include fee, requirements, and frequently asked questions. The first step in applying for a marriage license is to complete a Marriage License Application. Please fill out the affidavit up to line 20. Couples must complete their marriage application online prior to visiting any of our offices. The Register of Deeds office is the official grantor of marriage licenses for Orange County. Marriage Licenses are valid for 60 days from the date of issuance. Complete the marriage license application form.