Junior, Senior... What's next?

No, they are all named Casey Jones, not “Casey, Sr.” Senior is only used by the widow of the latest, deceased, eldest Casey Jones. You’re “history of the Casey Jones Family” could be written as:

From http://www.genealogy.com/rhonda013003.html:

GIYF

I’m just waiting for the generation six to be nicknamed Sexy.

Nava:

But don’t Spanish names add the mother’s maiden name to the end, so there need be no confusion? Roberto Perez would really be Roberto Perez Garcia, and his son by Juanita Gomez would be Roberto Perez Gomez, etc?

Well, Junior started a new group called MAKE OUT, and Senior is still working on his debut solo album.