Career
Kirby also reached the quarter finals of the 1994 United Kingdom Matchplay, beating Cliff Lazarenko in the first round before losing to Jamie Harvey. Kirby made two more appearance at the World Championship in 1995 and 1996 but lost out in the group stages. He also played in three World Matchplays, losing in the first round in 1994 and 1996 to Philosophy Taylor.
Kirby then quietly disappeared from the sport but resurfaced in 2002, entering United Kingdom Open regionals.
He then played in the 2003 United Kingdom Open, but lost in the Preliminary Round. In 2004, Kirby reached the quarter finals of the Irish Masters where he lost to Peter Manley.
Kirby then returned to the United Kingdom Open the same year, reaching the third round where he lost to Colin Lloyd. He also reached the quarter finals of the Northern Ireland Open, a WDF ranked event.
Good performances in the regional finals of the 2006 United Kingdom Open earned him a spot in the third round proper but lost to Andy Callaby.
Kirby died in Blanchardstown from pancreatic cancer aged 61. A Personal Digital Cellular tournament, the Irish Matchplay, was renamed in his honour.