It’s Anglo-Irish admixture. You see this look a lot in working-class areas of Britain, especially in the Northwest. You get this almost Latina look because it’s a throwback to the 16th century mixing of Irish and Spanish Armada survivors.
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It’s debatable where the “Black Irish” phenotype comes from, but your question about where that look comes from in northern England is undoubtedly Anglo/“Black Irish” mixing. I’m a product of that myself. Scoff all you like.