Yes.
Yes, Jamaicans need a visa to enter Ireland.
yes i need visa to enter Ireland
They will need a visa to enter the United Kingdom in order to enter Northern Ireland.
Yes, a Ukranian national would need a visa to enter the US.
Yes.
No, a Ukrainian national does not need a visa for Albania.
No, Serbian citizens doesn't need visa for Schengen countries, but they need visa for UK and Ireland.
No - you still need a visa to enter the UK !
Yes, most travelers need a visa to enter Ukraine. It is recommended to check with the nearest Ukrainian embassy or consulate for specific visa requirements based on your nationality and purpose of visit.
Usually a separate visa is required to enter England than to enter Ireland, so depending on your own circumstances, if you need a visa to enter Ireland then you will also need another one to enter England. There are proposals from the Irish government to let people who have visas for Britain to enter Ireland without having to get another one for Ireland. As of the time of answering this question (June 2011) this has not been put into place. Even when it does, they doesn't mean that a visa to Ireland will be acceptable to England.
I think so.
Yes, they do.