Healer; or a combination of the initials J.C.
Jaycie is a modern American invention, likely originating as a phonetic spelling of the initials J.C. or as a diminutive of Jane or Jade. It is also frequently associated with the Greek name Jason, meaning 'healer'. Its rise in popularity during the late 20th century reflects the trend of adding the 'cie' or 'see' suffix to established sounds.
American author and activist
Singer and actor, son of Jackie Chan
Olympic gold medalist in gymnastics
US births per 5-year period, 1990–present (SSA data).