Scott's death is never explained in the plot.
You're thinking of the actor Dennis Hayden. http://www.imdb.com/name/nm0370729
Scott Tenorman Must Die was created on 2001-07-11.
She didn't die in real life, and she didn't die in the show either. Both her and Lucas moved from Tree Hill with their new baby Sawyer Brooke Scott =)
scott and alison
Captain Scott died on the Ross Ice Shelf, 11 miles from One Ton Depot.
Scott Hayden died in 1915.
Mary Hayden died in 1942.
Luke Hayden died in 1897.
Moses Hayden died in 1830.
Lewis Hayden died in 1889.
Vernon Hayden died in 1970.
Hayden Carruth died in 2008.
The only movie Leon was in was Degeneration and he didn't die in it.
Ken Hayden died in 1968-08.
Frank Hayden died in 1988, in UK.
Dorothy Hayden Truscott died in 2006.
Edward D. Hayden died in 1908.