Monica meaning unknown, most likely of North African or Phoenician origin. In the 4th century this name was borne by the North African saint Monica of Hippo, the mother of Saint Augustine, whom she converted to Christianity. Since the Middle Ages it has been associated with Latin moneo "advisor" and Greek monos "one". As an English name, Monica has been in general use since the 18th century.
Saintly namesake: Monica of Hippo was the devoted mother of St. Augustine, remembered for her faith and perseverance in 4th-century North Africa. (August 27 · 4th century)
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