There are multiple origins and translations for the name Sur:
1. Sanskrit (सूर्) means - "heaven, sun" or of (शूर) means - "courageous, brave, hero".
2. Arabic name-forming (صُوْر) means - "trumpet".
Sur in Islam - horn-shaped pipe whose diameter is equal to the size of Heaven and Earth. According to the Prophet Muhammad, on the Day of Judgement, the angel Israfil will trumpet twice in Sur.
And the Trumpet will be blown and all who are in the heavens and all who are on the earth will swoon away, except him whom Allah wills. This will be the second trumpet-blast, which will cause people to die. By this trumpet-blast, everyone who is alive in the heavens and on earth will be caused to die, except for him whom Allah wills. Then the souls of the remaining creatures will be taken, until the last one to die will be the Angel of Death, and there will be left only the Ever Living, Eternal One, Who was there in the beginning and will be at the end, forever. He will say three times,
3. Turkish (Turkic) name means - "wall, rampart, bulwark"
4. Abbreviation of names names starting with Sur.