Question about name

[ljrdg]

What is the name of your state? Indiana I have a quick question. If a child is adopted by their stepfather are they legally allowed to go back to using their bio-fathers last name when they become an adult and sign legal documents using the bio name (without going back to court to have name legally changed back to bio name)?

 

[fairisfair]

signing ones name a certain way, does not change it legally.

Signed,
Donald Trump

See there, I told you it wouldn't work!!!

 

[ljrdg]

I was asking because my ex (father of my youngest child) signed her bc and paternity affidavit with the name that I thought was his legal last name, about six months after we split up he started going by a different name and I come to find out that the name he used when we were togetherand signed her bc with was his bio-fathers name but he was adopted when he was 6 years old and that was actually his legal name. So what I am wondering is if this was legal for him to do and would I have any chance of having her name changed to mine?