Nowhere in the US. Below 16 you also need the courts consent.
If both parents are living, you have to have the consent of both.
Probably not--especially if both parents have legal guardianship, whether of not they're still together.
Every chapel if your state law allow it. The laws for minors to marry varies from state to state.
If the parents are married, yes. If one parent has sole custody that parent can consent.
In the case of the marriage of a minor, both parents must attend in person and sign their consent if the parents are married. If the parents are not married only one parent has sole custody that parent must attend in person and sign their consent. In the case of joint legal custody both must consent.
If you are 15 or older then you do not need your parents. Most states will will have you talk to a judge then he will marry you.
That depends on the state that you live in. There are states that require the consent of both parents if both have custody.
Rather than would be allowed depends on the state. In many states the signature of both parents is required.
No. There are only a few things that a child can do without parents' consent, and moving in with a boyfriend is not one of them.
No she cannot. One must be at least 18 to get married without parental consent. It may be possible to get a court order.
no, both parents must consent.
From ONE parent is enough.