a person named after another.

Is it namesake or name's sake?

Less often, the word also means anyone who shares a name with someone else, so you could refer to all the Emmas in your school as namesakes. The first recorded use of the word namesake was in the mid-1600s, and it probably began as the phrase "for the name's sake," before being condensed into a single word.

What does namesake mean in texting?

: one that has the same name as another especially : one who is named after another or for whom another is named His grandson and namesake is the spit and image of him … —