Family name I (I 
, E , Y , and others...) , throughout the world, is a prevalent last name. The last name I is characteristic of Venezuela, where it is a common surname, Indonesia, and China, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, this name is the most popular in China, Indonesia, and India. Also, I is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Y, I, E, Je | India, China, Netherlands, Indonesia, Canada |
| И | China, Russia, Kazakhstan, Armenia, Uzbekistan |
| イ | Japan |
A, Abhus, Ai, And, András, Bernát, C, Cantimplora, Ch, Cis, Da, Da-I, Dai, De, Dedaj, Dei, Den, Der, Di, Dilf, Du, Eg, Ego, Ein, Eina, Eitt, Ek, Ele, En, Er, Ferenc, François, Ghiri, Ghì, Ghí, Ghî, Ghï, Ghī, Ghį, Ghị, Gilf, Giri, Große, Hemi, Hi, Hüsrev, Hīc, I'M, I., Iako, Ier, Ikad, Ikada, Ikoji, Ili, Ilir, Ille, Illi, Illos, In, Indiu, Inti, Iri, Iċ, J, Jer, Jeres, Jy, Jü, Kaj, Lan, Leatha, Lee, Lena, Leão, León, Li, László, Lí, Lý, Lī, Lǐ, Mánuel, Mór, Na, Ni, Och, Or, Oub, Paulus, Pavel, Pál, Péter, Rhee, Ri, Rithe, Suuri, Séamus, Sí, To, Vint-I-Dos, Vint-I-Nou, Vint-I-Quatre, Vint-I-Set, Vint-I-Un, Von, Václav, Ye, Yee, Yi, Yr, Yu, Yí, Yú, Yürekli, Yī, Yǐ, Yǔ, É, Ér, Ì, Ìgh, Í, Ír, Î, Ï, Ór, Úr, Ěr, Ĩ, Ī, Īre, Ĭ, I, Řehoř, Ǐ, Ȋ, Ɨ, Ɩ, Ει, Ай., Аляксандр, Ахмет, Великий, Гази, Джованни, И., Иъ, Иь, Й, Йь, Карлос, Ли, Лі, Маруан, У, Хан, Юй, Լի, ברון, הזקן, לי, מלכת, נסיך, آي, أول, اعظم, انا, ای, بابکان, دوم, ذو, فاتح, لول, لي, لی, ی, ই, প্রথম, লি, শাহ, กู, ข้าพเจ้า, ฉอย, ฉัน, ฉันทวโร, ฉัยยา, ฉั่น, ฉานุ, ผม, พจมี, สนคงสข, หลี่, อัญขยม, อิ, อิทร์, อิ่, อี, อี่, อี้, อี๊, อี๋, ิ, ิ์, ไอ่, ဣ, ိ, ိး, ိ္, ်ိ, ᶤ, Ḯ, Ỉ, Ị, ぃ, アイ, ィ, イン, ド, フォン, リー, ㄧ, 井, 以, 伊, 儞, 宇, 尔, 彝, 彞, 於, 李, 李姓, 李氏, 爾, 貽, 贻, 頤, 颐, 리, 우, 이, and Ｉ
| batone i Illyrian chief, IT (b. 30) |
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alexander pp. i 6th Pope of the Catholic Church from c. 107 to c. 115, IT (b. 100) |
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| cotys i Sapaean client king of the Odrysian kingdom of Thrace from c. 57 BC to c. 48 BC (b. 50) |
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| philopator i Roman client king of Cilicia (b. 50) |
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| józef i (b. 50) |
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| salome i politician (b. 65) |
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ptolemy x alexander i King of Egypt (b. 140) |
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eucratides i Greco-Bactrian king from 172/171 BC to 145 BC (b. 150) |
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| sanatruq i ruler of Mesopotamian kingdom of Hatra from c. 140 to c. 180 (b. 100) |
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| antigonus i son of John Hyrcanus (b. 135) |
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strato i Indo-Greek king from 125/120 to 110 BCE, AF (b. 200) |
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papa lucio i Pope and bishop of Rome from 253 to 254, IT (b. 200) |
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antimachus i Graeco-Bactrian king (b. 200) |
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aristobulus i ruler of Hebrew Hasmonean Dynasty (b. 200) |
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| darayan i 2nd century BC king of Persis (b. 150) |
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