Last name Sir (Sa 
, Sir 
, เซอร์ 
) , in the world, is a widespread family name. The cognomen Sir is characteristic of Luxembourg, where it is a common surname, Portugal, and Belgium (explore the name in all countries). In absolute terms, it is the most numerous in India, Brazil, and Spain. Likewise, Sir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sa | Myanmar, Spain, India, Brazil, Saudi Arabia |
| Sir | Myanmar, China, Bangladesh, Egypt, Saudi Arabia |
| เซอร์ | Thailand |
| Сэр | Kyrgyzstan |
Senior, Ser, Sghiŕ, Sghiř, Sghìr, Sghír, Sghîr, Sghïr, Sghïř, Sghĩr, Sghīr, Sghįr, Shire, Sich, Sire, Sirid, Sirrah, Siŕ, Siř, Sorr, Sìr, Sír, Síř, Sîr, Sîř, Sïr, Sïř, Sīr, Sīř, Sįr, Sır, Sǐr, Çir, Çır, Śghir, Śghîř, Śir, Śír, Śîŕ, Śïŕ, Śïř, Śīŕ, Śįř, Ŝir, Ŝîř, Šghir, Šghîr, Šghïr, Šir, Šír, Šíŕ, Šíř, Šîr, Šîŕ, Šîř, Šïr, Šïŕ, Šïř, Šīr, Šīř, Šįr, Šįř, Артур, Джеймс, Джон, Сир, Сйр, Сір, Чарльз, סר, السير, جون, سر, سیر, স্যার, คุณชาย, ตะคุณนะ, ท่าน, ท่านชาย, ศิร, ศิอร, ษิร, สิร, สิร์, สิอร, อศิร, อษิอร, ဆာ, サー, シル, スイル, 丝儿, 丝尔, 先生, 厮儿, 咝儿, 嗣尔, 四儿, 四兒, 四尔, 姒儿, 希爾, 思儿, 思尔, 斯儿, 斯兒, 斯尔, 絲兒, 肆儿, 蛇, 西儿, 西尔, 锡儿, 锡尔, 锶儿, 驷儿, Ｓir, Ｓīｒ, and Ｓｉｒ
| sir william de windsor Peerage person ID=211652 (b. 1132) |
|
|
| sir aymer de maxwell (b. 1150) |
|
|
| sir reynold de mohun Abt 1183 - 1213 (b. 1183) |
|
|
| sir reginald de crawford (1190-1250) (b. 1190) |
|
|
| sir hugh giffard, of boyton (1195-1246) (b. 1194) |
|
|
| sir robert de holand (1197-1243) (b. 1197) |
|
|
| sir william covert (1198-1280) (b. 1198) |
|
|
| sir brian fitzalan, baron fitzalan English Baron (b. 1201) |
|
|
| sir richard de exeter Medieval Anglo-Irish knight (b. 1201) |
|
|
| sir tudur ap ednyfed fychan (b. 1195) |
|
|
| sir william darell Peerage person ID=300861 (b. 1218) |
|
|
| sir roger bertram Peerage person ID=858 (b. 1224) |
|
|
| sir john fitz john John, Sir, fitz John (c.1240–1275), baronial leader (b. 1240) |
|
|
| sir roger lewknor (1243-1294) (b. 1243) |
|
|
| sir marmaduke darell Peerage person ID=300864 (b. 1244) |
|