Meaning:
Its source is ei rikr, an Ancient Germanic name meaning "Complete ruler."
Popularity:
The name Arica ranked 3585th in popularity for females of all ages in a sample of the 1990 US Census.
Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.
Narrative:
By coincidence, the Latin term for the herb Heather is spelled erica, and some botanically-oriented parents might name their children with this association in mind.