In the Old Testament, Jair is a son of Manasseh as well as a judge of the Israelites. Jair is off its 2003 peak but is still hanging on in the Top 1000 and as a simple yet distinctive name with serious history, is worthy of consideration.
Jair, Biblical son of Manasseh
Jair Francoise Jurrjens, Curaçaoan baseball pitcher
Jair Marrufo, American soccer referee
Jair Picerni, Brazilian footballer and manager
Jair, father of Mordecai, Esther's cousin (Esther 2:5)