If the "secret" marriage in Haiti was otherwise "legal" within the law of Haiti, then you are already married. Even so, that wouldn't prevent you from renewing your vows or having a "ceremony" or celebration of some type, you just wouldn't be able to apply for a marriage license since you're already married. Consult with an attorney to discuss the specifics of your situation and your options.
Answered on Jun 07th, 2017 at 6:37 AM