| Baby Name | Meaning | Gender |
|---|
| Jasper | Variant Of Caspar Or Gaspar Keeper Of The Treasure. | Male |
| Jay | Variant Of Names Like Jason And Jacob. | Male |
| Jayme | Variant Of Jacob Supplanter. | Male |
| Jennifer | White Wave | Female |
| Jessica | Rich | Female |
| Joel | Strong-Willed | Male |
| John | Jehovah Has Been Gracious: Has Shown Favor. In The Bible John The Baptist Baptized Christ In The Jordan River. Variants Have Been Created In Almost Every Language. | Male |
| Joy | Jewel: Rejoicing. | Female |
| Joyce | Cheerful: Merry. | Female |
| Jules | Youthful | Male |
| Julia | Youthful | Female |
| Julian | Youth | Male |
| Juliana | Name Of A Poem | Female |
| Julianna | Youthful | Female |
| Julianne | Youthful | Female |
| Julie | Youthful: Jove's Child. A Feminine Of Julian. | Female |
| Juliet | Youthful: Variant Of Julia. Jove's Child. Star Crossed Lover In The Shakespearian Tragedy Romeo And Juliet. | Female |
| Julius | Jove's Child. | Male |
| Kenelm | Defends The Family | Male |
| Kerstin | Follower Of Christ. | Female |
| Kevin | Handsome Child. Name Of A Famous Irish Hermit-Saint. Kevin Is The Most Popular Of Many Spellings. | Male |
| Kilian | Small: Fierce. | Male |
| Kristina | Variant Of Christiana. Follower Of Christ. | Female |
| Kristopher | Variant Of Christopher. Christ Bearer. | Male |
| Kurt | Honest Advisor | Male |