What does Monica mean?
Monica \m(o)-ni-ca\ as a girls' name is pronounced MAH-ni-kah. It is of Latin origin, and the meaning of Monica is "advisor". Of uncertain origin. May be from Latin "monere" meaning "to advise", or from "nonnica" which comes from "nonna", the Latin word for "nun". Also possibly from Greek "monos" meaning "single, only". Saint Monica, the mother of Saint Augustine, prayed for her son and saved him from self-destruction. Saint Augustine then became one of the greatest saints in history. The name is poopular with Catholics. Fictional character Monica Geller, on the TV sitcom "Friends".
Monica is a very prominent first name for women (#131 out of 4276, Top 3%) and also a very prominent surname for both adults and children (#18607 out of 150436, Top 12%). (2000 U.S. Census)
Displayed below is the birth name popularity of Monica for girls. Monica reached its apex rank of #45 in the U.S. during 1970-1979, and is at #538 currently. (2014 Birth Statistics)
Monnie, Monique, Monika and Mona are the prominent alternative forms of Monica (#538 a year ago) listed in the Top 1000. Usage of these girl names reached its highest during 1970-1979 (usage of 0.486%) and is now significantly less (usage 0.0924%, down 81%), with the forms Monica, Mona, Monique and Monika becoming less in vogue. Below is a charted comparison of the usage of Monica and associated names. (2014 Birth Statistics)