The parents of a child are unmarried and the father's name is not on the birth certificate. The mother gave the child her last name. Does she have to change it to her father's last name?

NO. In most states the father of the child must be present at the time of birth to sign the birth certificate as the father of the child. It could, in reality, be any man who (MORE)

There is No father on birth certificate can stepfather adopt?

If the birth father has paid no support and has had no contact with the child for one year, the stepfather may adopt in most states without permission of the birth father. How (MORE)

Can the Birth Certificate of an Adopted Child be changed legally from the original Birth Date?

While it is possible to change a child's birth date, it requires proof of some kind. Frequently this happens with kids adopted from overseas, whose actual birth dates are not (MORE)
In Custody

What are the legal rights of a stepfather when mother is deceased and no father is named on birth certificate if the child was born during a nonlegal separation?

The step father has no "legal rights" in most jurisdictions and he must try to establish legal custody through the family court. State laws vary. If the biological father has (MORE)