Northern Irish citizens are entitled to British nationality, Irish nationality, or both (dual British-Irish nationality).
Children born in Northern Ireland are British Citizens by default at the time of their birth, per United Kingdom nationality law. However, the child can almost immediately be registered as an Irish Citizen instead of (or as well as) a British Citizen, usually if born into an Irish family.
your nationilty is English as you where born in EnglandYou are English, however you are also British, entitled to a British Passport, as a citizen of Great Britain and Northern Ireland.
Bill Henderson - Northern Ireland - was born in 1924.
Francis Rawden Moira Crozier was Irish. Born in Banbridge County Down, Northern Ireland. Ireland was still one nation at that time, but considered under British rule.
William Brown - Northern Ireland politician - was born in 1930.
James Johnston - Northern Ireland politician - was born in 1850.
Jim Cleary - Northern Ireland footballer - was born in 1956.
James Brown - Northern Ireland politician - was born in 1897.
William Douglas - Northern Ireland politician - was born in 1921.
Jimmy Quinn - Northern Ireland footballer - was born on 1959-11-18.
John O'Neill - Northern Ireland footballer - was born on 1958-03-11.
Mark Hughes - Northern Ireland footballer - was born on 1983-09-16.
Alan McDonald - Northern Ireland footballer - was born on 1963-10-12.