Nope.
The Irish, Finns, Greeks, Albanians, Spaniards, and Russians do not have a shared culture, nor did their immigrants have a shared "white" experience in America.
I have taken literally dozens of university-level history courses in the last 30 years, and not one single professor or text book taught about a white culture.
That is the kind of thing only Klansmen subscribe to
yeah,...Im a klansman alright. Hope nobody tells my wife!