In 2015, played in 10 tournaments on the LET with a season best T7th place at the ISPS HANDA Ladies European Masters at Buckinghamshire GC.
In 2014, Trish earned her 22nd worldwide win (her 19th LET title) at the Aberdeen Asset Management Ladies Scottish Open at Archerfield Links in East Lothian. She made history by becoming the oldest winner on the Ladies European Tour at the tender age of 48, after ending two strokes clear of France’s Gwladys Nocera. She played in 19 tournaments and recorded 3 top 10 finishes in total.
In 2013, played in 15 tournaments and recorded 3 top-10 finishes with a season best tied for 6th at the Turkish Airlines Ladies Open. She ended the season ranked 44th on the Money List
In 2012, played in 19 tournaments, recorded 8 top 10 finishes with a season best 3rd at the Tenerife Open de Espana and tied 3rd at the ISPS Handa Ladies British Masters. Season’s earnings €124,438.10 (10).
In 2011, played in 18 tournaments and best finish was a tie for 9th at the Ladies Scottish Open.
In 2010, claimed the Tenerife Ladies Open at Buenavista Golf Club and the Open de France Feminin at Paris International Golf Club, where she defeated Italy’s Diana Luna on the first play-off hole. Johnson achieved Life Membership of the LET according to the LET’s qualifying criteria with 20 points, after the LET Membership voted to award points to winners of the Comunitat Valenciana European Nations Cup retrospectively.
In 2008, represented England at the inaugural VCI European Ladies Golf Cup at La Sella Resort in Spain and won the event partnering Rebecca Hudson.
In 2007, won the BMW Ladies Italian Open at Sheraton Parco de- Medici in Rome and qualified automatically for eighth appearance on the European Solheim Cup Team. Posted a 0-1-2 win-loss-draw record at Halmstad taking all-time Solheim record to 5-13-7.
In 2005, finished second at the Arras Open de France Dames and Wales Ladies Championship in 2005 which secured a place on the European Solheim Cup team.
In 2004, won the Wales Ladies Open in fine style with a closing 8-under par 65 to deny close friend Laura Davies. Finished second on the OOM behind Davies, her best season since 2000.
In 2000, represented Europe for sixth time in the 2000 Solheim Cup and helped to secure 2.5 out of a possible 4 points for the victorious European team. Won 2000 The Daily Telegraph Ladies British Masters presented by Kellogg’s.
In 1999, Twice matched record for lowest nine holes in 1999 with 29 in both Cantor Fitzgerald Laura Davies Invitational and Palmeraie Marrakech Open. Also equalled record for most consecutive birdies when she started final round of Marrakech Palmeraie Open with seven straight birdies.
In 1996, Set Tour records in the 1996 French Open at Le Golf d’Arras with opening round of 62 followed by 36-hole total of 130 and 200 for 54 holes. Missed first cut in 30 tournaments at the 1996 Weetabix Women’s British Open.
In 1992, Shared individual honours with Lotta Neumann in 1992 World Team Championship in Taiwan. Beat Patty Sheehan, US & British Open Champion, in Europe’s 1992 Solheim Cup triumph.
In 1990, completed four victories to win 1990 Order of Merit.
In 1987, Johnson turned professional and won three tournaments in her rookie season on the Ladies European Tour, as well as finishing as the Rookie of the Year. She also won the LPGA’s Qualifying School at Sweetwater.