If under 18, a parent or legal guardian must sign permission.The parent or guardian must bring your birth certificate 18 years.
Of all the worries you may have, do not worry if the wedding is "legal" if you have a marriage license and marry within the time frame of the license (at least 72 hours after it was issued, but within 30 days).
Still other couples will opt only for a religious/spiritual ceremony - or a non-religious personal commitment marriage ceremony - without a marriage license.
If you are having a hard time with the County Clerk, go to a different county clerk's office (Downtown Dallas or Downtown Ft.
Worth are best.)The most common instance is when one is in jail or out-of-the-country.
Any person can make any personal commitment they wish to another person, and some same couples essentially create all the elements of a marriage by having a personal commitment (marriage) ceremony - only without a marriage license.
Some will use a minister willing to officiate such a ceremony.
The parent or guardian must bring your birth certificate to prove parentage and ID to prove he/she is your parent. Your fiancee then has his/her signature notarized on the form.
A legal guardian must provide prove of guardianship. Go to the County Clerk's office and tell them you need an "Absentee affidavit" for a marriage license. With that, the other can go in alone for the license.
The officiant could get into trouble, even be prosecuted - but you are still married.
It is known you wanted to get married because you went to get a marriage license.
However most of these (not all) will sign a government marriage license if asked to.