One high school where I have substitute taught has a lot of Korean-Americans, and I have had classes where half the students were named Kim. At another school in the same district which has a lot of Gujaratis from India, I have taught classes where half or more of the students had the last name Patel.
thank goodness those are different schools, what if they intermarry and we get a lot of Kim Patels? (Korean surnames go first)... :p
NGUYEN - very common Viet Namese name.