| Name | Meaning | Gender | Origin |
|---|
| Josephine | God will increase | Female | |
| Josie | From Josephine - She shall add. | Female | English |
| Julia | Youthful
| Female | Latin |
| Julian | Jove's child. Form of Julius and family clan name of several powerful Roman emperors. Biblical Roman centurion Julius saved Paul's life during a hazardous voyage
| Male | English |
| Juliet | youthful | Female | English |
| June | 6Th Month | Female | English |
| Kennedy | misshapen head | Female | Irish |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Lane | narrow road | Male | English |
| Leland | from the meadow land | Male | English |
| Lena | Alluring, Temptress, Light | Female | Greek |
| Lennox | amid the lems, from the field of elm trees | Male | Scottish |
| Lenny | brave lion | Male | English |
| Leo | Lion.
| Male | Latin |
| Leona | Like A Lion | Female | French |
| Letty | Latin, joy, gladness | Female | English |
| Levi | United | Male | Hebrew |
| Lilia | Lilac | Female | Slavic |
| Lillian | lily, a flower | Female | English |
| Lily | Lily
| Female | English |
| Lincoln | Capital of Nebraska, USA. Old English: home by the pond | Male | English |
| Lloyd | gray | Male | Welsh |