Item 89754 - Trefethen property, W. side Island Avenue, Peaks Island, Portland, 1924 Item 89754 - Trefethen property, W. side Island Avenue, Peaks Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 89754 Zoom 4686px x 3483px - 15.6"w x 11.6"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Dwelling at W. side Island Avenue in Peaks Island, Portland, was owned by Ida F. Trefethen in 1924. Ida Florence Trefethen Show Details