Ko-I Surname
Approximately 3 people bear this surname
Ko-I Surname Distribution Map
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Japan | 2 | 1:63,922,146 | 62,827 |
| Papua New Guinea | 1 | 1:8,153,717 | 181,784 |
Ko-I (79) may also be a first name.
Ko-I Last Name Facts
Where Does The Last Name Ko-I Come From? nationality or country of origin
The last name Ko-I is found most in Japan. It can also appear as a variant:. For other potential spellings of this name click here.
How Common Is The Last Name Ko-I? popularity and diffusion
This surname is the 10,311,814th most prevalent surname on a worldwide basis, held by around 1 in 2,147,483,647 people. This last name is predominantly found in Asia, where 67 percent of Ko-I are found; 67 percent are found in East Asia and 67 percent are found in Nippono-Asia. It is also the 1,083,225th most numerous first name at a global level, borne by 79 people.
This surname is most frequently occurring in Japan, where it is borne by 2 people, or 1 in 63,922,146. In Japan it is mostly found in: Nara Prefecture, where 50 percent reside and Osaka Prefecture, where 50 percent reside. Outside of Japan this surname exists in one country. It is also common in Papua New Guinea, where 33 percent reside.
Phonetically Similar Names
| Surname | Similarity | Worldwide Incidence | Prevalency |
|---|---|---|---|
| Koi | 86 | 23,049 | / |
| Khoi | 75 | 9,337 | / |
| Koyi | 75 | 7,439 | / |
| Koui | 75 | 7,088 | / |
| Kowi | 75 | 4,307 | / |
| Kooi | 75 | 3,915 | / |
| Kioi | 75 | 2,458 | / |
| Koie | 75 | 1,356 | / |
| Koei | 75 | 1,100 | / |
| Koia | 75 | 658 | / |
| Kyoi | 75 | 405 | / |
| Koai | 75 | 399 | / |
| Kaoi | 75 | 271 | / |
| Koii | 75 | 103 | / |
| Kwoi | 75 | 74 | / |
| Koih | 75 | 48 | / |
| Koio | 75 | 44 | / |
| Kuoi | 75 | 28 | / |
| Go-I | 75 | 28 | / |
| Koiu | 75 | 16 | / |
| Koiy | 75 | 8 | / |
| Keoi | 75 | 5 | / |
| Ko-O | 75 | 2 | / |
| Hkoi | 75 | 2 | / |
| Ke-I | 75 | 1 | / |
| Ko'i | 75 | 1 | / |
| Ko-E | 75 | 1 | / |
| Ckoi | 75 | 1 | / |
| Kkoi | 75 | 1 | / |
| Kou-Wei | 73 | 1 | / |
| Kuo-Hwi | 73 | 1 | / |
| Koye-Oi | 73 | 1 | / |
| Ko | 67 | 1,025,769 | / |
| Ki | 67 | 145,326 | / |
| Koiwa | 67 | 8,497 | / |
| Koiah | 67 | 4,826 | / |
| Khoai | 67 | 4,250 | / |
| Kouai | 67 | 2,650 | / |
| Ko-Ya | 67 | 2,430 | / |
| Kaoui | 67 | 1,908 | / |
| Khoei | 67 | 1,711 | / |
| Kiowi | 67 | 1,627 | / |
| Khoyi | 67 | 1,463 | / |
| Kayoi | 67 | 1,101 | / |
| Kiyoi | 67 | 1,025 | / |
| Koiwu | 67 | 574 | / |
| Koiya | 67 | 502 | / |
| Kowei | 67 | 498 | / |
| Khoui | 67 | 460 | / |
| Koyie | 67 | 437 | / |
| Kouia | 67 | 348 | / |
| Kowai | 67 | 345 | / |
| Khowi | 67 | 269 | / |
| Koiye | 67 | 266 | / |
| Kouyi | 67 | 217 | / |
| Kiwoi | 67 | 213 | / |
| Ko-Wa | 67 | 163 | / |
| Koyai | 67 | 147 | / |
| Koiyo | 67 | 145 | / |
| Kouei | 67 | 141 | / |
| Koyyi | 67 | 140 | / |
| Kouie | 67 | 129 | / |
| Khoie | 67 | 109 | / |
| Kauoi | 67 | 107 | / |
| Ko-Ou | 67 | 99 | / |
| Koiee | 67 | 96 | / |
| Koayi | 67 | 94 | / |
| Kowie | 67 | 68 | / |
| Ko-Ue | 67 | 63 | / |
| Kooyi | 67 | 62 | / |
| Ko-Ha | 67 | 61 | / |
| Koiou | 67 | 59 | / |
| Koyio | 67 | 58 | / |
| Go-Io | 67 | 42 | / |
| Koeai | 67 | 39 | / |
| Kawoi | 67 | 33 | / |
| Koyoi | 67 | 26 | / |
| Koiyu | 67 | 25 | / |
| Kouoi | 67 | 25 | / |
| Kohhi | 67 | 22 | / |
| Kowia | 67 | 22 | / |
| Kaoyi | 67 | 21 | / |
| Khooi | 67 | 20 | / |
| Koioi | 67 | 19 | / |
| Ku-Ia | 67 | 17 | / |
| Kowoi | 67 | 16 | / |
| Koiau | 67 | 15 | / |
| Kouio | 67 | 15 | / |
| Khoia | 67 | 14 | / |
| Koeie | 67 | 13 | / |
| Kowii | 67 | 12 | / |
| Kuyoi | 67 | 12 | / |
| Khoii | 67 | 11 | / |
| Kowio | 67 | 11 | / |
| Kewoi | 67 | 10 | / |
| Koiai | 67 | 10 | / |
| Kouih | 67 | 10 | / |
| Kowih | 67 | 10 | / |
| Koyia | 67 | 9 | / |
| Koyei | 67 | 9 | / |
| Kyowi | 67 | 8 | / |
| Kaoia | 67 | 8 | / |
| Koeia | 67 | 8 | / |
| Kwoyi | 67 | 7 | / |
| Keoui | 67 | 7 | / |
| Kooia | 67 | 7 | / |
| Koaia | 67 | 6 | / |
| Kuwoi | 67 | 6 | / |
| Koi'i | 67 | 6 | / |
| Kuoia | 67 | 5 | / |
| Keo-H | 67 | 5 | / |
| Kwowi | 67 | 5 | / |
| Koiey | 67 | 5 | / |
| Kioui | 67 | 5 | / |
| Kwooi | 67 | 5 | / |
| Khaoi | 67 | 4 | / |
| Kyoyi | 67 | 4 | / |
| Kowiy | 67 | 4 | / |
| Kjoyi | 67 | 3 | / |
| Ka-Iu | 67 | 3 | / |
| Kai-I | 67 | 3 | / |
| Koyui | 67 | 3 | / |
| Kouwi | 67 | 3 | / |
| Kohwi | 67 | 2 | / |
| Keoia | 67 | 2 | / |
| Kaoiu | 67 | 2 | / |
| Kooie | 67 | 2 | / |
| Keioi | 67 | 2 | / |
| Kowiu | 67 | 2 | / |
| Koioy | 67 | 2 | / |
| Kowui | 67 | 2 | / |
| Koiui | 67 | 2 | / |
| Ko'oi | 67 | 2 | / |
| Kioyi | 67 | 2 | / |
| Koeei | 67 | 2 | / |
| Koeiy | 67 | 2 | / |
| Khuoi | 67 | 1 | / |
| Koiia | 67 | 1 | / |
| Kooii | 67 | 1 | / |
| Kyoei | 67 | 1 | / |
| Ki-Ia | 67 | 1 | / |
| Kaioi | 67 | 1 | / |
| Kyioi | 67 | 1 | / |
| Kaoio | 67 | 1 | / |
| Kouui | 67 | 1 | / |
| Keaoi | 67 | 1 | / |
| Keooi | 67 | 1 | / |
| Ki'oi | 67 | 1 | / |
| Kaoai | 67 | 1 | / |
| Kaoie | 67 | 1 | / |
| Koaih | 67 | 1 | / |
| Koawi | 67 | 1 | / |
| Kooui | 67 | 1 | / |
| Koiwe | 67 | 1 | / |
| Koiwo | 67 | 1 | / |
| Koiyi | 67 | 1 | / |
| Kwoio | 67 | 1 | / |
| Ki-Ai | 67 | 1 | / |
| Ko-Yo | 67 | 1 | / |
| Kiooi | 67 | 1 | / |
| Kuooi | 67 | 1 | / |
| Ko-Ee | 67 | 1 | / |
| Koiuy | 67 | 1 | / |
| Kha-I | 67 | 1 | / |
| Kheoi | 67 | 1 | / |
| Kiaoi | 67 | 1 | / |
| Koigh | 67 | 0 | / |
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Footnotes
- Surnames are taken as the first part of an person's inherited family name, caste, clan name or in some cases patronymic
- Name distribution statistics are generated from a global database of over 4 billion people - more information
- Heatmap: Dark red means there is a higher occurrence of the name, transitioning to light yellow signifies a progressively lower occurrence. Clicking on selected countries will show mapping at a regional level
- Rank: Name are ranked by incidence using the ordinal ranking method; the name that occurs the most is assigned a rank of 1; name that occur less frequently receive an incremented rank; if two or more name occur the same number of times they are assigned the same rank and successive rank is incremented by the total preceeding names
- Ethnic group cannot necessarily be determined by geographic occurrence
- Similar: Names listed in the "Similar" section are phonetically similar and may not have any relation to Ko-I
- To find out more about this surname's family history, lookup records on FamilySearch, MyHeritage, FindMyPast and Ancestry. Further information may be obtained by DNA analysis