The name reached its all-time peak in 2002 with 9 births ranking #1928. FALLING Recent data shows the name is currently falling.
Ollie is a bright, affectionate short form most often linked to Oliver, so it usually carries the same olive-tree meaning. Its charm lies in sounding cheerful and easygoing.
Originally a nickname, Ollie is now often chosen as a full first name. That shift reflects the modern preference for friendly short names that feel complete on their own.