In a YouGov survey in March 2020, English, Welsh and Scots respondents were asked how much they felt they had in common with each other and with the Irish. The Irish, even those in Britain, weren’t asked.
https://docs.cdn.yougov.com/qytr1172wh/Internal_Ireland_Mar20.pdf
46% of the English respondents felt they had something in common with the Scots while 52% of the Scots reciprocated the feeling.
60% of the Welsh respondents felt they had something in common with the Scots but only 50% of the Scots reciprocated the feeling.
74% of the Welsh respondents felt they had something in common with the English, nearly as many as the 81% of the English who identified with the English, but only 48% of the English reciprocated the feeling.
86% of the Scots felt they had something in common with themselves but the Welsh were easily the most grounded at 96%. The other 4% were sheep.
As for Northern Ireland and Ireland, the Scots were most likely to feel they had something in common (51% and 59%) but the English, the least (34% and 40%). Note that the English were more likely to feel they had something in common with the Irish Irish than the British Irish!
Talking-up Scotland 'Albatraz' 
I have a friend who was brought up on the borders between the Netherlands and their various neighbours. He is fluent in several languages, as their TV picked up programmes from all over the place, and the borders were largely invisible. None the less he is Dutch through and through ( he has lived in Scotland for 20 years). Nationality is something to be cherished, not brandished as the weapon of “superiors” (those who think G0d is one of them) and who disdain the nationalities of others—and “other” them!
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