In Chicopee, Holyoke, Granby, Hadley, Springfield? Northampton? in Greater Springfield
With a widespread diaspora, since the 19th (18th?) century Polish-American immigrants and their descendants have resided in the Connecticut Valley, with demographics present in Hadley, Belchertown, South Hadley, Blandford, Chicopee, Holyoke, Granby. First arriving to work on Yankee farms, the role the community would play vastly shifted to factory work in the 20th century. Today the diaspora, Amherst radio, etc
first settler of 1893 https://babel.hathitrust.org/cgi/pt?id=wu.89067299784;view=1up;seq=515