It began as offshoot of the original Connecticut State League, which dates back as far as 1884.
1902 Connecticut State League President: Jim O'Rourke / Sturgis Whitlock No Playoffs.
1903 Connecticut State League President: Sturgis Whitlock No Playoffs: 12 Holyoke games (8-4) were deducted after the season due to ineligible player violations.
1904 Connecticut League President: Jim O'Rourke Worcester (26-11) moved to Norwich June 21.No Playoffs.
1911 Connecticut State League President: Jim O'Rourke Northampton and Holyoke disbanded June 26.
1912 Connecticut State League President: Jim O'Rourke New Britain (12-22) moved to Waterbury June 15.No Playoffs.