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
#36 King 520,085 151.74 Very Common
#71 Kim 314,281 91.69 Common
#80 Kelly 293,007 85.49 Common
#149 Kennedy 196,614 57.36 Common
#203 Kelley 157,388 45.92 Common
#212 Knight 152,150 44.39 Common
#303 Khan 116,702 34.05 Common
#329 Keller 107,985 31.51 Common
#398 Klein 91,224 26.62 Uncommon
#431 Kaur 86,057 25.11 Uncommon
#547 Kramer 69,893 20.39 Uncommon
#641 Kirby 59,194 17.27 Uncommon
#649 Kirk 58,560 17.09 Uncommon
#684 Kane 55,990 16.34 Uncommon
#703 Koch 54,416 15.88 Uncommon
#749 Keith 51,900 15.14 Uncommon
#762 Kemp 50,944 14.86 Uncommon
#778 Kline 49,516 14.45 Uncommon
#780 Kerr 49,445 14.43 Uncommon
#782 Knox 49,339 14.39 Uncommon
#799 Kent 48,349 14.11 Uncommon
#847 Knapp 45,741 13.35 Uncommon
#917 Kumar 42,955 12.53 Uncommon
#968 Krueger 40,787 11.90 Uncommon
#985 Kang 39,945 11.65 Uncommon
#1016 Kaufman 38,775 11.31 Uncommon
#1058 Krause 37,428 10.92 Uncommon
#1068 Kaiser 37,023 10.80 Uncommon
#1074 Kidd 36,773 10.73 Uncommon
#1083 Key 36,435 10.63 Uncommon
#1122 Katz 35,168 10.26 Uncommon
#1129 Kuhn 34,910 10.19 Uncommon
#1140 Kinney 34,608 10.10 Uncommon
#1188 Kendall 33,253 9.70 Uncommon
#1207 Kirkland 32,850 9.58 Uncommon
#1231 Kessler 32,171 9.39 Uncommon
#1254 Kaplan 31,681 9.24 Uncommon
#1263 Knowles 31,226 9.11 Uncommon
#1265 Kern 31,137 9.08 Uncommon
#1319 Kendrick 29,978 8.75 Uncommon
#1321 Kenney 29,965 8.74 Uncommon
#1375 Kirkpatrick 28,980 8.46 Uncommon
#1479 Kurtz 26,958 7.87 Uncommon
#1523 Kauffman 26,224 7.65 Uncommon
#1538 Kay 26,065 7.60 Uncommon
#1542 Kimball 25,988 7.58 Uncommon
#1667 Koenig 24,178 7.05 Uncommon
#1688 Kraft 23,885 6.97 Uncommon
#1697 Kilgore 23,727 6.92 Uncommon
#1766 Kruse 22,713 6.63 Uncommon