Jacob R. Oliveira

Jacob R. Oliveira is the Democratic nominee for Massachusetts Senate, Hampden, Hampshire and Worcester District on the November 3, 2026 ballot, per the Secretary of the Commonwealth's September 1, 2026 primary results. Jacob R. Oliveira is a sitting member for the district, per the Massachusetts Senate's official member directory (malegislature.gov). Oliveira is the sitting state senator for the Hampden, Hampshire and Worcester District, per Massachusetts Legislature member directory. No campaign website was found as of September 11, 2026.