Most Common Last Names In Kiambu County
Forebears knows about 16,983 unique surnames in Kiambu County and there are 114 people per name.
| Rank | Surname | Incidence | Frequency | Percent of Parent | Rank in Kenya |
|---|---|---|---|---|---|
| 1 | Njoroge | 57,897 | 1:34 | 26.82% | 17 |
| 2 | Kamau | 56,508 | 1:34 | 21.51% | 8 |
| 3 | Mwangi | 55,078 | 1:35 | 11.48% | 3 |
| 4 | Wambui | 53,382 | 1:36 | 23.92% | 14 |
| 5 | Wanjiku | 51,825 | 1:38 | 23.86% | 16 |
| 6 | Njeri | 49,778 | 1:39 | 23.46% | 18 |
| 7 | Kimani | 38,392 | 1:51 | 24.29% | 26 |
| 8 | Njuguna | 36,022 | 1:54 | 25.58% | 33 |
| 9 | Maina | 32,615 | 1:60 | 9.32% | 5 |
| 10 | Kariuki | 30,400 | 1:64 | 15.04% | 19 |
| 11 | Wairimu | 26,768 | 1:73 | 22.32% | 40 |
| 12 | Karanja | 26,754 | 1:73 | 23.63% | 47 |
| 12 | Mbugua | 26,754 | 1:73 | 30.11% | 68 |
| 14 | Nyambura | 23,823 | 1:82 | 20.56% | 45 |
| 15 | Muthoni | 23,515 | 1:83 | 13.03% | 23 |
| 16 | Mburu | 22,673 | 1:86 | 27.72% | 76 |
| 17 | Gitau | 22,183 | 1:88 | 28.76% | 86 |
| 18 | Ng'ang'a | 22,042 | 1:88 | 31.92% | 100 |
| 19 | Mwaura | 22,028 | 1:88 | 28.55% | 84 |
| 20 | Wangui | 21,874 | 1:89 | 20.25% | 49 |
| 21 | Ngugi | 21,538 | 1:90 | 24.71% | 72 |
| 22 | Njoki | 20,612 | 1:94 | 21.13% | 57 |
| 23 | Njenga | 20,500 | 1:95 | 32.06% | 108 |
| 24 | Wangari | 19,897 | 1:98 | 20.38% | 56 |
| 25 | Ndung'u | 19,406 | 1:100 | 27.73% | 98 |
| 26 | Chege | 19,028 | 1:102 | 21.59% | 69 |
| 26 | Mungai | 19,028 | 1:102 | 28.47% | 103 |
| 28 | Waweru | 18,621 | 1:104 | 21.14% | 70 |
| 29 | Kinyanjui | 16,588 | 1:117 | 29.95% | 127 |
| 30 | Macharia | 15,242 | 1:128 | 11.30% | 36 |
| 31 | Wainaina | 13,615 | 1:143 | 27.12% | 144 |
| 32 | Ndungu | 12,550 | 1:155 | 17.87% | 95 |
| 33 | Kuria | 12,101 | 1:161 | 23.65% | 140 |
| 34 | Waithira | 11,400 | 1:171 | 31.96% | 205 |
| 35 | Kiarie | 11,147 | 1:174 | 31.01% | 203 |
| 36 | Muiruri | 10,993 | 1:177 | 24.39% | 160 |
| 37 | Nduta | 9,899 | 1:196 | 29.33% | 222 |
| 38 | Nganga | 8,595 | 1:226 | 19.76% | 167 |
| 39 | Kinuthia | 8,385 | 1:232 | 25.80% | 230 |
| 40 | Ngigi | 8,301 | 1:234 | 31.57% | 269 |
| 41 | Gathoni | 8,231 | 1:236 | 30.12% | 260 |
| 42 | Irungu | 8,091 | 1:240 | 10.85% | 89 |
| 43 | Njau | 7,600 | 1:256 | 33.31% | 312 |
| 44 | Muchiri | 6,604 | 1:294 | 13.33% | 146 |
| 44 | Njogu | 6,604 | 1:294 | 16.30% | 184 |
| 46 | Wanja | 6,590 | 1:295 | 13.99% | 154 |
| 47 | Mugo | 6,562 | 1:296 | 11.32% | 120 |
| 48 | Thuo | 6,478 | 1:300 | 24.01% | 266 |
| 49 | Mumbi | 6,282 | 1:309 | 18.00% | 214 |
| 50 | Muturi | 6,170 | 1:315 | 17.12% | 202 |
| 51 | Waithera | 5,889 | 1:330 | 16.82% | 210 |
| 52 | Wanyoike | 5,595 | 1:347 | 27.93% | 368 |
| 53 | Njambi | 5,441 | 1:357 | 26.29% | 347 |
| 54 | Muigai | 5,412 | 1:359 | 26.58% | 358 |
| 55 | Ndichu | 5,384 | 1:361 | 42.68% | 552 |
| 56 | Mwaniki | 5,216 | 1:373 | 8.54% | 117 |
| 57 | Wachira | 5,118 | 1:380 | 6.81% | 88 |
| 58 | Githinji | 4,950 | 1:393 | 12.60% | 190 |
| 59 | Nyokabi | 4,908 | 1:396 | 26.52% | 396 |
| 60 | Ndirangu | 4,711 | 1:413 | 11.37% | 178 |
| 61 | Muriithi | 4,697 | 1:414 | 6.09% | 85 |
| 62 | Mwihaki | 4,277 | 1:455 | 29.51% | 491 |
| 63 | Otieno | 4,150 | 1:468 | 0.76% | 1 |
| 64 | Waithaka | 4,136 | 1:470 | 17.21% | 293 |
| 65 | Kinyua | 4,066 | 1:478 | 4.65% | 71 |
| 66 | Ndegwa | 3,828 | 1:508 | 8.77% | 165 |
| 67 | Kibe | 3,786 | 1:513 | 21.98% | 423 |
| 67 | Wamaitha | 3,786 | 1:513 | 23.57% | 454 |
| 69 | Muhia | 3,632 | 1:535 | 29.61% | 566 |
| 70 | Kihara | 3,576 | 1:544 | 19.42% | 398 |
| 71 | Kung'u | 3,534 | 1:550 | 39.57% | 722 |
| 72 | Njihia | 3,421 | 1:568 | 24.93% | 520 |
| 73 | Munene | 3,393 | 1:573 | 4.42% | 87 |
| 74 | Gichuhi | 3,365 | 1:578 | 23.73% | 499 |
| 74 | Mugure | 3,365 | 1:578 | 19.70% | 428 |
| 76 | Mutua | 3,267 | 1:595 | 2.19% | 29 |
| 77 | Wanjiru | 3,253 | 1:598 | 9.82% | 225 |
| 78 | Kang'ethe | 3,197 | 1:608 | 29.11% | 606 |
| 79 | Mukami | 3,183 | 1:611 | 7.96% | 188 |
| 80 | Ngure | 3,043 | 1:639 | 16.36% | 391 |
| 81 | Odhiambo | 3,015 | 1:645 | 0.86% | 4 |
| 82 | Gitonga | 2,959 | 1:657 | 3.65% | 81 |
| 83 | Nyaga | 2,945 | 1:660 | 4.20% | 96 |
| 84 | Ochieng | 2,874 | 1:676 | 0.85% | 6 |
| 85 | Thuku | 2,860 | 1:680 | 18.07% | 458 |
| 86 | Mbuthia | 2,804 | 1:693 | 14.96% | 389 |
| 87 | Wanjohi | 2,748 | 1:707 | 6.37% | 169 |
| 88 | Kamande | 2,692 | 1:722 | 12.92% | 344 |
| 89 | Muchai | 2,608 | 1:745 | 24.17% | 614 |
| 90 | Nduati | 2,594 | 1:749 | 17.56% | 482 |
| 91 | Muriuki | 2,552 | 1:762 | 3.89% | 105 |
| 92 | Kungu | 2,524 | 1:770 | 25.50% | 669 |
| 93 | Wambua | 2,510 | 1:775 | 2.04% | 39 |
| 94 | Wangechi | 2,482 | 1:783 | 10.61% | 304 |
| 95 | Kiragu | 2,468 | 1:788 | 13.60% | 406 |
| 95 | Wambugu | 2,468 | 1:788 | 7.06% | 213 |
| 97 | Mohamed | 2,440 | 1:797 | 0.49% | 2 |
| 98 | Wanjira | 2,314 | 1:840 | 12.81% | 410 |
| 99 | Mwai | 2,300 | 1:845 | 8.92% | 275 |
| 100 | Kangethe | 2,229 | 1:872 | 23.12% | 682 |
| 101 | Njeru | 2,215 | 1:878 | 3.01% | 90 |
| 102 | Omondi | 2,187 | 1:889 | 0.83% | 9 |
| 103 | Gichuki | 2,173 | 1:895 | 10.00% | 327 |
| 104 | Ngaruiya | 2,159 | 1:900 | 31.56% | 900 |
| 105 | Kairu | 2,145 | 1:906 | 23.72% | 717 |
| 106 | Atieno | 2,117 | 1:918 | 0.95% | 15 |
| 106 | Murigi | 2,117 | 1:918 | 15.12% | 506 |
| 108 | Gikonyo | 2,033 | 1:956 | 16.20% | 556 |