Yes he's dead, he was shot by a Silurian and the crack "took" him wiping him from existence, however as the Doctor said time can be rewritten, so it is possible for him to come back some how.
In season 5 Rory did die but he came back as a plastic roman nestene in the Pandorica Opens. In the Big Bang the Doctor basically blows up the universe and re-creates the big bang so basically the whole universe was reset.
In actual fact Rory has died 5 times if you include season 6.
He died in Amy's choice, but it was just a dream
He died in Cold Blood, but came back to life in the pandorica opens 'some sort of miracle said the doctor' so we dont actually know why
He died in Day of the Moon (season 6), only he didn't actually get shot it was just a prank to fool some people
He died in Curse of the Black Spot (season 6), But Amy resucitated him.
And finally he died in The Doctors Wife (season 6). But it was really just some weird timelord killer guy playing mind games in the Tardis.
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His name is Rory Williams.
The Doctor and Rory travel in a ship called the TARDIS (Time and Relative Dimension(s) In Space)
Rory Cutler is 6'.
Rory Cochrane's birth name is Rory K. Cochrane.
Rory Coveney is 5' 7".