Very common in the Midlands UK, I dated and was to marry inter-racially, my finding out the "truth" about the Org ended that 3 yr relationship. Most of my mates married inter-racially and I liked the huge numbers of I/R couples as it demonstrated the "great crowd out of eery nation" !
Welcome, drunkenpikachu. I don't think I have ever heard it as official dub policy that interracial marriage is unclean. Your mum may be voicing one of her own ideas here. Is that possible?
I agree with you on the GF. I'd much rather be with someone that is reasonable than a rabidly zealous member of *any* religion.
In the Spanish congregations, at a personal level and not religiously speaking, I see a tendency to discriminate (when it comes to marrying that person) against the ones with darker skin color, broader noses, or kinky hair texture. I kid you not!
I've heard comments like "I don't want ugly people in my family!", or, "please think of your children and how it'll downgrade the family features".