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Last name Dugan (Dugan
, دوغان
, 杜根
) , in the world, is a common surname. The family name Dugan is habitual in the United States, where it is quite a rare surname, Moldova, and Croatia. Not in comparison with a country's population, it is the most numerous in the United States, Philippines, and Turkey. Much less frequently, Dugan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dugan | Philippines, Turkey, India, United States, United Kingdom |
| دوغان | Iraq, Sudan, Yemen, Lebanon, Syria |
| 杜根 | China |
| Дуган | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |