Does the father's name have to be on the birth certificate?
No. As long as one of the parent's names are on the birth certificate, it is legal.== Answer ==no you do not
If the fathers name was never on the birth certificate can the mother change the minors children's last name to their step fathers name without the biological fathers approval in North Carolina?
Because you love them but dont have the money to support you.
If the fathers full name is on the birth certificate does his child have to have his last name?
Answer No. The parents can technically give the child any name they wish.
The fathers name is not on the birth certificate does he have any rights to stop is stepfather from adopting him?
Possibly, if he sues for paternity and wins.