From age 16 all is required is parental consent but below 16 you will need the court's consent as well.
A minor teen who has been previously married may also apply for a license.
A minor who swears that they have a child or are expecting a baby, can apply for a license if the pregnancy has been verified by a written statement from a licensed physician.
For the last ones a county court judge will decide if they shall issue a marriage license or not.