Item 88478 - Mary Mason Residence, Little Chebeague Island, Portland, 1924 Item 88478 - Mary Mason Residence, Little Chebeague Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 88478 Zoom 4728px x 3502px - 15.8"w x 11.7"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Summer Dwelling at Mary Mason Residence in Little Chebeague Island, Portland, was owned by Mary C. Mason in 1924. Show Details