You asked which states, in addition to Connecticut, ban or substantially restrict Sunday hunting. Delaware, Maryland, Massachusetts, New Jersey, Pennsylvania, Virginia, and West Virginia substantially restrict Sunday hunting. Maryland allows Sunday hunting on another person's property with the property owner's written permission. Massachusetts allows Sunday hunting in commercial shooting preserves.
New Jersey allows hunting for raccoons before sunrise on Sundays.
N.J. Rev. Stat. Pennsylvania allows Sunday hunting of foxes and coyotes. Virginia bars all hunting on Sundays, other than for raccoons before 2 a.m. Va. Code Ann. West Virginia bars Sunday hunting after 5 a.m. State regulations further restrict this provision to only allow raccoon hunting before 5 a.m.