1921 Pacific Northwest Lawn Tennis Association, a section of the U.S. Lawn Tennis Association, replaces the North Pacific International Lawn Tennis Association Oregon members are the Multnomah Amateur Athletic Club and the Irvington club.
1921 Phil Neer wins National Intercollegiate Singles title, playing for Stanford. He is the first winner from the West Coast.
1923 Henry S. Gray becomes President of the Pacific Northwest Lawn Tennis Association, serving 1923-1929
1926 Tennis exhibition, Suzanne Lenglen vs Mary K. Browne at Portland Armory.
1927 Portland Lawn Tennis Assocation established.
1929 Kurt Berndt, a San Francisco native, becomes the first tennis professional at the Irvington Club.
1929 The Racquet Club established with two courts.
1929 The University of Oregon Tennis Men’s team ties University of Texas for the mythical U.S. Collegiate Team Championship. Henry Neer is a member of the University of Oregon team.
1930 Rogers MacVeagh becomes President of the Pacific Northwest Lawn Tennis Association, serving 1930-1932
1933 Wes Hartman opened the Leader Tennis Shop across from Benson High School. Wes took care of the tennis needs of Portlanders for over 50 years.
1937 Irvington Club sells north end of the property, formerly a public park.
1939 Elwood Cooke is runnerup in Wimbledon Men’s Singles and winner of doubles with Robert Riggs.
1939 Wayne Sabin wins National Indoor Men’s Singles title.
| Prominent Men | Prominent Women | Prominent Visitors |
| Kurt Berndt | Sally Cannon | Dorothy Bundy |
| Dr. J.B. Bilderback | Irene Campbell | Ray Casey |
| Gardner Brown | Esther Clark | Edith Cross |
| Al Carr | Mrs. Wilson Clarke | Josephine Cruikshank |
| Leonard Clark | Stella Fording | Elmer Griffin |
| Elwood Cooke | Ann Fredrickson | Mayme MacDonald |
| Walter Davis | Mrs. Ray Frohman | Henry Prusoff |
| Walter Goss | Marian Green | Gracyn Wheeler |
| Henry Gray | Helen Hald | |
| Claude Hockley | Ora Hatton | |
| Robert Johnson | Betty Joyce | |
| Darrell Kelly | Barbara Koehler | |
| Sam Lee | Mrs. J.H. Mackie | |
| Ed Levy | Mrs. R. MacVeah | |
| Don Lewis | Kay Mayers | |
| Bob Lloyd | Dorothy Murphy | |
| Dick Lusch | Muriel Nicholas | |
| J.H. Mackie | Mrs. W.J. Northrup | |
| Rogers MacVeagh | Mrs. J.H. Norton | |
| Ken May | Betty Parker | |
| Don Munro | Ruth Ronald | |
| Emery Neale | Hazel Schenck | |
| Henry Neer | Leila Sheets | |
| Phil Neer | Helen Sovenski | |
| A.D. Norris | Marge Stepp | |
| Don Ragen | Leila Starr | |
| Vic Ramis | Mrs H. Wentworth | |
| Jack Rhine | Mrs. L.V. Werschkul | |
| John Romanski | ||
| Wayne Sabin | ||
| Ferd Smith | ||
| Irving Webster | ||
| Catlin Wolford |