Master Cheif doesn't die. He gets put in a cryogenic state by Cortana after halo blows up. Cortana sends out a beacon to get rescued. They end up right by the planet Onyx.
He's master chief, he doesn't die because he is too awesome to die
Chief Blackfish died in 1779.
Chief Tamaha died in 1860.
Chief Comcomly died in 1830.
Chief Kitsap died in 1860.
Chief Menominee died in 1841.
Chief Charlo died in 1910.
Chief Niwot died in 1864.
Chief Solano died in 1851.
Chief Mahaska died in 1834.
Nicola - chief - died in 1865.
Chief Ignacio died in 1913.