Played as the inaugural Senior LPGA Championship presented by Old National Bank (July 10-12; first major championship for senior women; replaced the Legend Tour Championship). Second-placed Michele Redman (USA) finished 3 shots behind wire-to-wire winner Johnson (Eng). [Pete Dye course, French Lick Resort, Indiana].

Played as the Legends Championship presented by Old National Bank (Aug 19-21; Legends Tr event; replaced in 2017 by the Senior LPGA Championship). Trish Johnson (Eng) beat defending champion Juli Inkster (USA) with a par at the sixth playoff hole. [Pete Dye course, French Lick Resort, Indiana].

Played as the Aberdeen Asset Management Ladies Scottish Open presented by EventScotland (Aug 29-31). Second-placed Gwladys Nocera (Fra) finished 2 shots behind 48-year-old Johnson (Eng), who became the oldest winner on the Ladies European Tour. [Fidra course, Archerfield Links, East Lothian].

Played as the Open de France Feminin (Sept 9-12). Johnson (Eng) beat Diana Luna (Italy) at the first playoff hole to claim her third French Open victory and 20th career title. [Paris International GC, Baillet-en-France, nr Paris].

Played as the Tenerife Ladies Open (July 1-4). Second-placed Virginie Lagoutte-Clement (Fra) finished 1 shot behind Johnson (Eng). [Buenavista Golf, Buenavista del Norte, Tenerife].

Played as the inaugural VCI European Ladies Cup (April 3-6; two rounds of better-ball and two of a greensome Chapman variation). Second-placed Germany (Martina Eberl & Anja Monke) and Belgium (Lara Tadiotti & Ellen Smets) finished 5 shots behind England (Trish Johnson & Rebecca Hudson). [La Sella Resort, Jesus Pobre, Denia, Spain].

Played as the BMW Ladies Italian Open (May 23-26). Second-placed Bettina Hauert (Ger) finished 1 shot behind Johnson (Eng). [Parco de' Medici GC, Rome].

Played as the Wales "Golf as it Should Be" Ladies Open (Aug 12-15). Second-placed Laura Davies (Eng) and Iben Tinning (Den) finished 2 shots behind Johnson (Eng). [Royal Porthcawl GC, Mid Glamorgan, South Wales].

Played as the inaugural Daily Telegraph Ladies British Masters presented by Kellogg's (Aug 4-6). Second-placed Vibeke Stensrud (Nor) finished 2 shots behind Johnson (Eng). [Mottram Hall, Mottram St Andrew, Cheshire].

Played as the Open de France Dames (July 8-11). Second-placed Alison Nicholas (Eng) finished 1 shot behind Johnson (Eng). [Paris Intl GC, Baillet-en-France, nr Paris].

Played as the Marrakech Palmeraie Open (Oct 22-24; European Ladies' PGA Tr season-ending event). Second-placed Valerie Van Ryckeghen (Belg) finished 5 shots behind Johnson (Eng). [Palmeraie Golf Palace, nr Marrakesh, Morocco].

Played as the Marks & Spencer European Open (Sept 5-8). Second-placed Pernilla Sterner (Swe) and Anne-Marie Knight (Aus) finished 5 shots behind Johnson (Eng). [Hanbury Manor CC, Ware, Herts].

Played as the Open de France Dames (Oct 10-13). Second-placed Raquel Carriedo-Tomás (Esp) finished 10 shots behind Johnson (Eng), who recorded her tenth win on the Women's Professional Golf European Tour. [Arras Golf Resort, Anzin-Saint-Aubin, nr Arras, Pas-de-Calais].

Played as the Fieldcrest Cannon Classic (Sept 26-29). Second-placed Kim Saiki (USA) finished 3 shots behind Johnson (Eng), who recorded the last of her three LPGA Tour wins. [Peninsula Club, Cornelius, North Carolina].

Played as the Las Vegas LPGA. Second-placed Missie McGeorge (USA) finished 4 shots behind first-time LPGA Tour winner Johnson (Eng). [Canyon Gate CC, Las Vegas, Nevada].

Played as the Atlanta Women's Championship. Sherri Steinhauer (USA) finished 2 shots behind Johnson (Eng). [Eagle's Landing CC, Stockbridge, nr Atlanta, GA].

Played as the Skol Classic at La Manga (May 28-31). Second-placed Florence Descampe (Belg) and Catrine Nilsmark (Swe) finished 1 shot behind Johnson (Eng). [North course, La Manga Club, nr Cartagena, Murcia, Spain].

Played as the Expedier Ladies European Open (Sept 13-16). Second-placed Michelle Estill (USA) and Pearl Sinn (S.Kor/USA) finished 2 shots behind Johnson (Eng). [Kingswood GC, Tadworth, nr London].

Played as the Bloor Homes Eastleigh Classic (July 12-15). Second-placed Corinne Dibnah (Aus) finished 5 shots behind Johnson (Eng). [Fleming Park GC, Eastleigh, Hants, England; course permanently closed in 2008].

Johnson (Eng) recorded the season's lowest stroke average on the Women Professional Golfers' European Tour.

Johnson (Eng) won the WPG European Tour 1990 Woolmark Order of Merit, with earnings of £83,043 on the Tour. Alison Nicholas (Eng) was second with £63,199; Helen Alfredsson (Swe) was third with £63,079.

Played as the Hennessy Ladies Cup (May 10-13). Second-placed Marie-Laure de Lorenzi (Fra) and Tammie Green (USA) finished 3 shots Johnson (Eng). [Saint Germain GC, Saint-Germain-en-Laye, nr Paris].

Played as the Longines Classic (May 4-7). Second-placed Gillian Stewart (Scot) finished 1 shot behind Johnson (Eng). [Golf l'Esterel, Saint Raphaël, French Riviera].

Played as the Bloor Homes Eastleigh Classic (July 22-25). Second-placed Corinne Dibnah (Aus) finished 11 shots behind Johnson (Eng), who recorded rounds of 65-60-60-58 on the par-66 municipal course. [Fleming Park GC, Eastleigh, Hants, England; course permanently closed in 2008].

Played as the British Ladies Match Play Championship. Tour rookie Johnson (Eng) beat Marie-Laure Taya (Fra; née M-L de Lorenzi) in the final. [Combination of High & West courses, Moor Park GC, Rickmansworth, Herts].

Played as the McEwans Wirral Classic (June 3-6). Johnson (Eng) beat Karen Lunn (Aus) at the second playoff hole, to claim the win in only her fourth event since turning professional. [Caldy GC, Caldy, Wirral, England].

Johnson (Eng) won the Women's PGA Tour 1987 Rookie of the Year Award as the leading first-season player. She finished fifth on the Tour's (money-based) Order of Merit, with earnings of £35,718.