Last Names Starting with K
8,877 surnames found in U.S. Census data starting with K. Sorted by Census rank.
| Rank | Name | Est. Bearers | Per 100K | Rarity |
|---|---|---|---|---|
| #1805 | Kearney | 22,320 | 6.51 | Uncommon |
| #1859 | Keenan | 21,748 | 6.34 | Uncommon |
| #1894 | Keys | 21,355 | 6.23 | Uncommon |
| #1907 | Koehler | 21,193 | 6.18 | Uncommon |
| #1965 | Kraus | 20,565 | 6.00 | Uncommon |
| #2038 | Kimble | 19,895 | 5.80 | Uncommon |
| #2043 | Kincaid | 19,809 | 5.78 | Uncommon |
| #2069 | Kiser | 19,548 | 5.70 | Uncommon |
| #2078 | Keen | 19,435 | 5.67 | Uncommon |
| #2081 | Kyle | 19,387 | 5.66 | Uncommon |
| #2102 | Kowalski | 19,174 | 5.59 | Uncommon |
| #2143 | Kenny | 18,891 | 5.51 | Uncommon |
| #2152 | Keene | 18,856 | 5.50 | Uncommon |
| #2183 | Kohler | 18,608 | 5.43 | Uncommon |
| #2188 | Keating | 18,600 | 5.43 | Uncommon |
| #2201 | Knutson | 18,498 | 5.40 | Uncommon |
| #2222 | Keyes | 18,310 | 5.34 | Uncommon |
| #2293 | Kong | 17,766 | 5.18 | Uncommon |
| #2329 | Kinsey | 17,462 | 5.09 | Uncommon |
| #2373 | Kellogg | 17,203 | 5.02 | Uncommon |
| #2444 | Kerns | 16,544 | 4.83 | Uncommon |
| #2463 | Ko | 16,412 | 4.79 | Uncommon |
| #2468 | Kwon | 16,348 | 4.77 | Uncommon |
| #2473 | Kahn | 16,320 | 4.76 | Uncommon |
| #2502 | Kearns | 16,115 | 4.70 | Uncommon |
| #2551 | Kitchen | 15,842 | 4.62 | Uncommon |
| #2570 | Knott | 15,749 | 4.59 | Uncommon |
| #2603 | Kelsey | 15,522 | 4.53 | Uncommon |
| #2615 | Kilpatrick | 15,450 | 4.51 | Uncommon |
| #2637 | Kruger | 15,316 | 4.47 | Uncommon |
| #2667 | Kaminski | 15,154 | 4.42 | Uncommon |
| #2756 | Keener | 14,597 | 4.26 | Uncommon |
| #2866 | Kenyon | 14,075 | 4.11 | Uncommon |
| #2998 | Kimbrough | 13,459 | 3.93 | Uncommon |
| #3029 | Killian | 13,276 | 3.87 | Uncommon |
| #3140 | Kolb | 12,842 | 3.75 | Uncommon |
| #3227 | Kopp | 12,511 | 3.65 | Uncommon |
| #3245 | Keeler | 12,453 | 3.63 | Uncommon |
| #3279 | Krebs | 12,318 | 3.59 | Uncommon |
| #3283 | Keck | 12,314 | 3.59 | Uncommon |
| #3304 | Keane | 12,253 | 3.57 | Uncommon |
| #3362 | Kiefer | 11,949 | 3.49 | Uncommon |
| #3374 | Keefe | 11,901 | 3.47 | Uncommon |
| #3403 | Kitchens | 11,786 | 3.44 | Uncommon |
| #3426 | Kuntz | 11,683 | 3.41 | Uncommon |
| #3427 | Krieger | 11,676 | 3.41 | Uncommon |
| #3447 | Kroll | 11,600 | 3.38 | Uncommon |
| #3458 | Koontz | 11,564 | 3.37 | Uncommon |
| #3510 | Kinder | 11,363 | 3.32 | Uncommon |
| #3514 | Kohn | 11,355 | 3.31 | Uncommon |