Hyphenated Name / common usage
We have a child, with a hyphenated last name.
e.g. Jonny Jones-Smith
The rest of his family is just Smith (brothers/sisters, mom and dad)
Mrs. Smith and Mr. Smith divorced a few years ago.
They had 6 children at the time, all named Smith.
Mrs. Smith had a relationship with Mr. Jones. This relationship produced a child:
Jonny Jones.
Mrs. Smith later terminated the relationship with Mr. Jones, and re-married Mr. Smith.
Jonny Jones was an infant at the time he bonded with Mr. Smith as a father figure.
He was not yet two years old at the time of the re-marriage of Mr. and Mrs. Smith.
Jonny lives full-time with Mr. and Mrs. Smith. He is completely immersed in the Smith family, and has minimal contact with Mr. Jones.
Jonny is now 4, and Mr. Jones has agreed to allow the legal name change from Jonny Jones to Jonny Jones-Smith.
Our question is just about the common use or selection of the last name. While respecting the law, and Mr. Jones, we would hope to normalize Jonny in most arenas: School, Dr. Team sports, Church, while traveling, etc...
I was mostly curious if there were a legal precedent leaning one way or the other.
Would the child commonly go by: Jonny Jones by default or Jonny Smith by default if his legal name is: Jonny Jones-Smith.
Furthermore, would it have made any difference to choose Jonny Smith-Jones, instead of Jonny Jones-Smith: i.e. does the order of the hyphenated name make any difference at all?
While I believe I understand the fact that on all legal documents he will be know as Jonny Jones-Smith, I want to know what would be common place usage for his name.
Assuming that he wants to be known (as his brothers and sisters are) as just Smith, while in School, or on sports teams, Dr. office records, etc..
What name would commonly be selected out of the hyphenated name:
The first part (jones) or the second part (smith) ?