The boy's name Jack is pronounced jak. It is of Old English origin. Name based on John (Hebrew) "the Lord is gracious", or Jacques, the French form of Jacob (Hebrew) "he who supplants." The name has a rugged, down-to-earth aura. Jackie is used more for girls than for boys. Actors Jackie Gleason, Jack Nicholson, Jack Black; comedian Jack Benny; exercise guru Jack LaLanne.

Jack has 8 variant forms: Jackie, Jackman, Jacko, Jacky, Jacq, Jacqin, Jak and Jaq.

The boy's name Jeffrey is pronounced JEF-ree. It is of Old German origin. Probably refers to "peace." Variant of Geoffrey. The three-syllable alternate spelling Jeffery (JEFF-er-ree) has been used since medieval times. Race-car driver Jeff Gordon.

Jeffrey has 24 variant forms: Geoff, Geoffrey, Geoffroi, Geoffroy, Geoffry, Geofrey, Geofry, Godfrey, Godfry, Gottfried, Jefery, Jeff, Jefferey, Jefferies, Jefferson, Jeffery, Jeffree, Jeffries, Jeffry, Jeffy, Jefry, Jeoffroi, Joffre and Joffrey.

Search for names similar to Jeffrey starting with Je-, Jef-, Jeff- or ending with -ey, -rey, -frey, -ffrey.

Jeffrey is a very popular male first name, ranking 30 out of 1219 for males of all ages in the 1990 U.S. Census. Jeffrey is a very popular surname, ranking 3006 out of 88799 for people of all ages in the 1990 U.S. Census.

Brian is a very popular male first name, ranking 20 out of 1219 for males of all ages in the 1990 U.S. Census. Brian is a very popular surname, ranking 6239 out of 88799 for people of all ages in the 1990 U.S. Census.