| Name | Origins | Meaning | |
| | | | |
| Kasey | Irish Gaelic | Kasey meaning it's vigilant. | |
| Kathel | Irish Gaelic | Katherl it's a batle name. | |
| Kavan | Irish Gaelic | Kavan meaning it's handsome and pretty. | |
| Kayne | Irish Gaelic | Kayne meaning it's warlike. | |
| Kean | Irish Gaelic | Kean means ancient in Irish. | |
| Keefe | Irish Gaelic | Keefe meaning it's: kind and noble. | |
| Keegan | Irish Gaelic | Keegan Irish meaning it's : faith. | |
| Keeley | Irish Gaelic | Keeley meaning it's : beautiful.It's a unique baby boy name and also a unique baby girl name. | |
| Keenan | Irish Gaelic | Keenan meaning it's ancient. | |
| Keeran | Irish Gaelic | Keeran means dark. | |
| Keiran | Irish Gaelic | Keiran means the dark one. | |
| Kelan | Irish Gaelic | Kelan means slender. | |
| Keller | Irish Gaelic | Keller meaning it's :the little one. | |
| Kelly | Irish Gaelic | Kelly it's a warrior.It's a unique baby boy name and also a unique baby girl name. | |
| Kennedy | Irish Gaelic | Kennedy means royal. | |
| Kenyon | Irish Gaelic | Kenyon meaning it's :the white one. | |
| Kern | Irish Gaelic | Kern means the dark one. | |
| Kerrin | Irish Gaelic | Kerrin meaning it's : strong and powerful. | |
| Kerry | Irish Gaelic | Kerry meaning it's :the powerful one.It's a unique baby boy and also a unique baby girl name. | |
| Kerwin | Irish Gaelic | Kerwin meaning it's the black-haired one. | |
| Keverne | Irish Gaelic | Keverne it's a placename.It's olso a saint name.It's a unique baby boy name and also a unique baby girl name. | |
| Kevin | Irish Gaelic | Kevin meaning it's : handsome. | |
| Kieran | Irish | Kieran means black. | |
| Killian | Irish Gaelic | Killian meaning it's : the little one. | |
| Kinnard | Irish Gaelic | Kinnar means high hill. | |
| Kirwin | Irish Gaelic | Kirwin means the black-haired one. | |
| Knox | Irish Gaelic | Knox means strong. | |
| Konan | Irish Gaelic | Konan meaning it's : wise and inteligent. | |
| Kynan | Irish Gaelic | Kynan means wise and inteligent. | |
| Kyran | Irish | Kyran means the black one. | |
| Laoghaire | Irish | The meaning it's : header. | |