From non- + celebrity.
noncelebrity (plural noncelebrities)
- Someone who is not a celebrity
2007 August 30, Natasha Singer, “Bottled Blondes, You Too Can Break Free”, in New York Times[1]:In her book, Ms. Kreamer sets out to prove that an attractive noncelebrity can also remain alluring as she lets her ersatz brunette fade to gray.