Julie is the French form of Julia — from the Latin Iulius, the gens (clan) name from which Julius Caesar took his name, possibly meaning "youthful" or "of Jupiter." A top-15 US baby name from 1965 to 1976, peaking at #10 in 1971. Dame Julie Andrews (born 1935) — British actress and singer; Academy Award for Best Actress for Mary Poppins (1964) — her film debut, having previously lost the My Fair Lady film role to Audrey Hepburn*; Best Actress nominations for The Sound of Music (1965) and Victor/Victoria (1982). Her three-octave coloratura soprano voice was permanently damaged in a 1997 surgery for non-cancerous throat nodules; she sued the doctor and won an undisclosed settlement. Dame Commander of the British Empire (2000). Dame Julie Walters (born 1950) — Educating Rita (1983 Oscar nomination), Mrs. Weasley in seven Harry Potter films, Mamma Mia!. Julie Christie (Oscar 1965 for Darling*), Julie Delpy, Julie Bowen.
Subject of Andrews's memoir Home Work (2019).
In Pythagorean numerology the letters of Julie reduce to 3, The Communicator. This is a traditional interpretive system, not a factual claim about the name.