The girl's name Jacinta is the feminine form of the male Spanish and Portuguese name Jacinto ("Hyacinth"). Variants include the Italian form Giacinta, as well as Hyacintha, Jacinda, Jacintha, and Jaxine.
In the United States, Jacinta is a common female first name, ranking 1748 out of 4275 for females of all ages in the 1990 U.S. Census. Jacinta is a rare surname as it was not ranked for people of all ages in the 1990 U.S. Census.
As an English name, the name is most common in Canada, England and Wales, Ireland, Scotland, Sweden and Australia.