Do first, last, and middle names have to be the same to be a junior?

To be called Jr. or Sr. only first and last names have to be the same. To be a II or III and so on, all names must match.

First and Last need to be the same in order to be qualified as Jr. Middlename is not required as it is considered personal.

The aspect of Jr, Sr is considered shared.

First, last AND middle have to be the same.