British subjects do not need a passport to enter Ireland if they are arriving directly from the United Kingdom, but you may need your passport for your airline, travel company etc and should check beforehand
That will depend on your own nationality. However, for any international travel it is always recommended that you bring a passport.
Northern Ireland is part of the UK so you need no ID to travel there. In fact since the UK and Eire are in a common travel area so you need no idea to travel anywhere within the British Isles. However since the war on terror, many airlines will require you produce ID, However there were no such caveats during the troubles.
Citizens of Eire have exactly the same rights in Britain as British citizens and as such can vote in parliamentary elections and stand for election to parliament.
Yes but only a photocard. You can travel to any EU country by just using your photocard driving license. Outside of Europe passport is needed as well as visas for some countries. Generally if a countries citizens have to get a visa to come to your country then you need a visa to visit theirs.
This is quite complex.British means belonging to the United Kingdom of Great Britain and Northern Ireland.The island of Ireland consists of Northern Irelandand a State called either Ireland or Eire.Irish may mean an inhabitant of the island of Ireland (i.e Eire or Northern Ireland in the UK) or it may refer to just Eire. So Irish may include some British.[Prior to the early 20th Century, Eire and Northern Ireland were united and part of the United Kingdom of Great Britain and Ireland. Irish citizens from Eire are still allowed to vote in British elections if resident in the UK.]
From Great Britain No. Elsewhere then probably
That will depend on your nationality. You may live in England, but have a different nationality, so you would not have the same conditions of entry as someone who is has a British passport. See below for details on getting into Ireland.
Not if you are travalling by boat. Because of increased security in recent years, airlines will not allow passengers to board a plane unless they have acceptable photo ID. A current passport is the most acceptable form of ID.
No the only people who can join the British Army as natural born British citizens, and naturalised citizens. Britain is defined as members of the Union states of England Northern Ireland, Scotland and Wales. (not including Southern Ireland (Eire)). Treaty Applicants from the Commonwealth may be considered for service in HM armed forces but European citizens do not.
Your pet needs to be checked for rabies and such, it has spread to England through the channel tunnel but not to Ireland yet so you pet needs to be checked first and get a passport.
The United Kingdom of Great Britain and Northern Irelandand Eire.
Eire, or the The Republic of Ireland, had their independence from the British Empire ratified in January 1922 followed by Egypt in February 1922.