Monica [ mon-i-kuh ] is a female given name. The name Monica has a long and significant history. It has been in use for centuries and carries a deep meaning. The name Monica originates from the Latin term "monere," which translates to "to advise" or "to warn." Saint Monica, the mother of Saint Augustine, was a devout Christian and renowned for her wisdom and piety. She popularized the name Monica, making it a well-known and respected name. In the United States, the name was very popular in the late 1970s, when it peaked near #39. The popularity has been declining since then. In 2010 the name ranked #363. This name was ranked #693 on the US Popular Names in 2021. The 1858 novel Doctor Thorne had a character was named Monica Thorne. People with the name include Monica Lewinsky, Monica Seles and Monica Potter. Fictional people by the name include Monica Geller from the television sitcom Friends.