| KAASE | 2 |
| KAINE | 2 |
| KALB | 1 |
| KARAFF | 1 |
| KAROLLE | 3 |
| KARSLO | 1 |
| KATONA | 1 |
| KAY | 3 |
| KEELAND | 1 |
| KEITH | 7 |
| KELLER | 3 |
| KELLY | 6 |
| KEMP | 1 |
| KENDALL | 1 |
| Kendrick | 1 |
| KENEISTER | 1 |
| KENNARD | 1 |
| KENNEDY | 1 |
| KERNEY | 7 |
| KERR | 2 |
| KEYS | 2 |
| KIDD | 1 |
| Kiddal | 1 |
| KIESEL | 15 |
| KILMER | 1 |
| Kim | 1 |
| KINDER | 1 |
| Kindler | 2 |
| KINES | 1 |
| KINGSLEY | 6 |
| KIRCHER | 1 |
| KIRK | 1 |
| KISER | 1 |
| KITCHEN | 1 |
| Kitteridge | 1 |
| KLAUS | 1 |
| KLINK | 1 |
| KNIGHT | 1 |
| KNISELEY | 9 |
| KNOOP | 3 |
| KNOUSE | 1 |
| Knowlton | 1 |
| KNOX | 2 |
| KOCKMEYER | 1 |
| KOLB | 3 |
| KOONTZ | 1 |
| KORESSEL | 3 |
| KREIGER | 1 |
| KRIEG | 1 |
| Krueger | 1 |
| KUGHN | 1 |
| KUHN | 1 |
| KURZWEIL | 1 |