It comes from the Spanish word Piedra de la (ijada). The second most popular girls’ name starting with J is Jade, named for the precious, pale-green stone used in carvings and jewelry. Famous Josephines include Napoleon’s wife and African-American dancer Josephine Baker.Ģ. The most popular name beginning with J in the United States is Josephine, the English, German, and Dutch version of the French Joséphine. Some names are popular for a reason, so why not get started by having a look at the top 20 baby girl names starting with J in the United States?ġ. We collected popular, unusual, pretty, biblical, long, and short J girl names from across the globe to help you find the right name for your baby girl. Perhaps you like the sound that comes with girl names that start with J, or you’re looking to get inspired. You have names like Josephine, Jessica, Julia, Jennifer, Jacqueline, and many more. Most of the popular girl names begin with J.