Congregation B'nai Israel is a Reform Jewish temple in Bridgeport, Connecticut, serving the greater Fairfield County Jewish community, including Bridgeport, Fairfield, Trumbull, Easton, Monroe, Newtown, Stratford, Southport, Westport, and upper Fairfield County. Established in 1859, the congregation traces its roots to Jewish immigrant families from Germany who began gathering for worship in 1852 under the leadership of Moses and Bernhard Klein and Pinkney Lesser. The congregation has a long history in Bridgeport and identifies as a Reform Jewish community centered on worship and religious services.