| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 781 | Kellie | Irish | Variant of Kelly: War. Lively. Aggressive. An Irish surname that has only been used as a first name (either gender) in the latter half of the 20th century. | M | |
| 782 | Kelly | Irish | War. Lively. Aggressive. An Irish surname that has only been used as a first name (either gender) in the latter half of the 20th century. | M | |
| 783 | Kelsey | Irish | Brave. | M | |
| 784 | Kenan | Irish | Archaic. | M | |
| 785 | Kennedy | Irish | Variant of Cinneidid: Helmeted; helmed head. | M | |
| 786 | Kennelly | Irish | Surname. | M | |
| 787 | Kenny | Irish | Handsome. | M | |
| 788 | Keon | Irish | Form of Ewan from John. | M | |
| 789 | Keri | Irish | Variant of Kerry: 'Descendents of Ciar'. The name of a county of Ireland. Used for both genders. | M | |
| 790 | Kerri | Irish | Variant of Kerry: 'Descendents of Ciar'. The name of a county of Ireland. Used for both genders. | M | |
| 791 | Kerrie | Irish | Variant of Kerry: 'Descendents of Ciar'. The name of a county of Ireland. Used for both genders. | M | |
| 792 | Kerrigan | Irish | Dusky; dark. A surname. | M | |
| 793 | Kerry | Irish | Descendents of Ciar. The name of a county of Ireland. Used for both genders. | M | |
| 794 | Kerwin | Irish | Little dark one. Small black one. | M | |
| 795 | Kerwyn | Irish | Little dark one. Small black one. | M | |
| 796 | Kevan | Irish | Handsome child. Variant of Kevin. | M | |
| 797 | Keven | Irish | Handsome child. Variant of Kevin. | M | |
| 798 | Keveon | Irish | Handsome child. Variant of Kevin. | M | |
| 799 | Kevin | Irish | Handsome by birth. 6th-century hermit St Kevin founded a monastery at Glendalough in County Wicklow. Kevin was only used in Ireland until the 20th century, and now is in common use in most English-speaking countries. | M | |
| 800 | Kevinn | Irish | Handsome child. Variant of Kevin. | M | |