Irwin's total at the 6,584-yard, par-71 Newport Beach Country Club course was 17-under-par and three strokes better than the previous record set by George Archer in 1995 ' the inaugural year of the tournament over the par-70 Mesa Verde CC course.
Irwin, who had rounds of 67 and 64 in the first two rounds, earned $225,000.
Doyle, who won this tournament two years ago and finished second in 1999, birdied the final hole to complete a round of 67 for a 201 total. He earned $132,000.
Dave Stockton, who shot a 66 Sunday, and Michael Zinni, who carded a 67, finished in a tie for third with scores of 202 and earned $99,000 each. Dana Quigley, who shot 66 in the final round, was next at 203 and earned $72,000.
Irwin, who recently joined Tiger Woods as the only players to surpass the $20 million mark in career earnings, leads the 2002 Senior money list at $735,000.
``Generally, I am not a good starter, but I got off to a good start Friday and the momentum of that start carried me through Sunday,'' he said. ``I've played well this year. If I can keep this up, I think I can have a banner year.''
Irwin has now won a record 34 senior events.
``I think the par I saved on the first hole after Larry Nelson had birdied was the turning point in my round, it set the tone for me,'' Irwin said. ``When someone made a move on me, I seemed to make birdies.''
Stockton had four birdies, an eagle and a bogey in his final round.
``This is really a satisfying tournament for me,'' he said. ``I am really playing well this year, I'm excited how I am playing.''
Stockton played well despite receiving bad news early in the day concerning a teammate from his college days at Southern California.
``A good friend of mine, Larry Carr, died this morning of cancer,'' Stockton said. ``It really made it serene and peaceful on the course today as I put things in perspective.''
Zinni, a Monday qualifier, had the highest finish by an open qualifier since Jim Ahern, won the 1999 AT&T Canada Senior Open. A club professional from Mankato, Minn., Zinni was making his 11th appearance on the senior circuit. His best previous finish was a tie for 33rd at the 2000 Mexico Senior Classic.
Irwin moves to the top of the Charles Schwab Cup competition, passing Tom Kite with a total of 718 points ' 112 ahead of Kite, who was forced to withdraw Friday morning with back spasms.
Full-field scores from the Toshiba Senior Classic