so bank account is in UK passport with 3 names, as is AIS account, but for some reason you choose to get visa using Irish passport, which only has 2 names.
it seems to me the answer is to get all 3 things in one passport
but why is your bank withdrawing internet usage as bank and Ais are in the same name
''I opened a Thai bank account a few years back on my uk passport'' and '' if I changed my passport at AIS shop from uk to Irish it still wouldn’t work as the visa is registered on the Irish passport''
I fail to see why the bank is interested in where your visa is, as your bank account and AIS are in the same name
am i missing something