State by State Clergy Marriage Laws
Marriage laws governing who can perform a marriage vary from state to state. Some states (like Hawaii and Ohio) require a certificate from the state in order to perform a marriage within the state.
The following are links to sites with overviews of state laws in regard to performing a marriage ceremony:
US Marriage Laws - https://www.usmarriagelaws.com/marriage-license/wedding-officiants-requirements/
American Marriage Ministries - https://theamm.org/marriage-laws/
National Association of Christian Ministers - https://nacministers.com/answers-faq/requirements-wedding-officiants/