Yes, if you are travelling within the Commin Travel Area (UK, Republic of Ireland, Isle of Man and Channel Island) although some airlines such as Ryanair insist on passports. Check with your airline to be certain.
Yes, a driving licence is suitable ID.
No
A UK driving licence can be used to drive in Ireland.
A full driving licence allows you to legally ride a 125 without L plates, all you need is insurance.
A valid Irish Driving Licence is acceptable in the UK, you are not required to change it.
Yes, so long as it is a valid licence for the car or motorbike you will be driving in the US.
You can still drive in England on your Irish licence if your banned in Ireland.
yes everwhere you do Any EU driving licence will be acceptable for driving in Poland; for EU citizens there is no need to get an international licence.
Yes, your British Columbia driver's licence is valid in Ireland. You may wish to obtain an International Driving Permit, which is basically a standardised international document that interprets the details of your licence for officials in other countries.
A photo identification is necessary to fly from England to Northern Ireland. The airlines prefer a driver's license or passport identification picture. The passport is not necessary if the person flying is a citizen of either country.
The most acceptable is a current passport (of any nationality) followed by a photocard driving licence. Other ID will vary according to who is asking for it.
Yes. A valid photo license is an acceptable form of id.