Maryland Mass. Michigan Minnesota Miss. Missouri Montana Nebraska Nevada New Hamp. New York N. Carolina N. Dakota Ohio Oklahoma Oregon Penn. It can argue for a change, but a custody change is a complex determination with many factors playing into the final decision. No single factor is determinative. He's quite possible entitled to notice of an action to change his name.
Some punishments are only temporary.
I actually don't know if something like a year's suspension would be called a disbarment. It's possible he's doing legal things which do not require a license. Many persons in the legal field are not licensed attorneys. You might consider contacting the state bar, but that's your call. Ask an expert or become an expert .