Abu Hafs Umar al-Murtada died in 1266.
Abu Hafs Umar al-Suhrawardi died in 1234.
Abu Hafs al-Urduni died on 2006-11-26.
He was stabbed with a poisonous blade whilst leading a prayer, according to some in the head, by a non-mulsim assassin named Abu-Lu'lua. Abu Lu'lua had a grudge against Umar because Umar, supposedly, made a ruling against him, and Abu Lu'lua thought it was unjust. Umar later died due to the wound, and he was buried in next to the prophet Muhammad (SAW).
Teuku Umar died in 1899.
Umar Dimayev died in 1972.
Umar II died in 720.
Umar Bakkalcha died in 1980.
Umar Mihayshi died in 1984.
Umar Israilov died in 2009.
Umar of Borno died in 1881-12.
Umar ibn Hafsun died in 918.
Mian Umar Hayat died in 1996.