Boy Names Starting With J

41 US boy names beginning with J, each linking to scored middle, sibling and twin name pairings. Sorted A–Z; switch to popularity below.

J names at a glance

In 2025, 10.5% of US baby boys in the Social Security records got a first name starting with J — about 1 in 10, or 178,646 boys in all. That is down from 18.5% in 1990.

The best-known J names here
NameRank in 2015Rank in 2025
James#7#6
Jack#40#15
John#26#23
Julian#45#25
Joseph#21#29

The biggest climber on this page is Jaziel: #936 among US boys in 2015, #198 in 2025.

Pair a J first name with a middle name that starts differently and the initials stay clear; the middle-name pages mark down a second J.

Boy Names starting with J

This page lists 41 boy names beginning with the letter J that are in real current use in the United States — including popular picks like James, Jack, John. The count comes from US Social Security Administration public records: every name shown was given to at least a handful of US babies in the latest year, so this is not a list of invented or one-off spellings.

Open any name to see its pairing page — middle names, sibling names and twin names, each scored for how well it fits. Use the sort control above to switch between A–Z and 2025 popularity. To browse a different letter, go back to all boy names.