Fibbie is a unique and distinctive given name of uncertain etymology. It is believed to have originated as a variant spelling of Phoebe, the Greek goddess of the moon, or perhaps as a diminutive of other names such as fibrosis or Fibonacci, the mathematical sequence named after Italian mathematician Leonardo of Pisa. The name Fibbie has not achieved widespread popularity but it is often associated with creativity and originality due to its rarity.
Fibbie was a popular baby girl name in 1925 with a total of five babies being named Fibbie that year.