![](https://cdn.statically.io/img/static01.nyt.com/packages/flash/multimedia/ICONS/transparent.png)
Mr. McGuinness, left, helping a wounded man after a funeral in Belfast for three I.R.A. members came under attack in 1988.
David Jones/Press Association, via Associated Press; thumbnail, Peter Morrison/Associated Press, 2001
Martin McGuinness
Died on March 21, 2017 at age 66
Mr. McGuinness was a former Irish Republican Army commander and Sinn Fein political leader who helped negotiate peace in Northern Ireland after decades of sectarian violence. He became a senior official in its power-sharing government in 2007.
Notable Deaths 2017
Remembering Mary Tyler Moore, Chuck Berry, Jerry Lewis, David Rockefeller, Trisha Brown, Glen Campbell, Dick Gregory, Edith Windsor, Sam Shepard, Tom Petty and many others who died this year.