And in my family, any judgements based on last name would be inaccurate. My last name is common to two very differently viewed groups, while my DHs last name completely hides one half of his parental background, not to mention his upbringing, which might be considered URM.
(As an aside, I recently received a marketing mailing that made an in correct assumption about my background, presumably based on my last name, and the included form was in a language I neither read nor speak. However, the accompanying letter was in two languages, one on either side, one of which is English. In retrospect, based on the state I live in, I should be more surprised that this is the first time.)