Oh, yes. They used to give certificates of “purity.” Saint Teresa of Avila had Jewish forebears, which was one reason why she came under investigation. I pity the inquisitor who dared match wits with her.
Thanks -- I wiki'ed
that but it seems to be more a government thing than an inq check (the i's only wanted to check the person's religosity, while the gubmint - for valid reasons - wanted to check if the person would betray Spain, as the Moriscos did quite often, almost allying with the Turks and Huguenots etc)