This shows the migration of Irvine's throughout the United States from 1850-1990. As the colors change, it indicates how frequently you will find an Irvine in each state. For instance, if a state is colored red, then 1 in 100 people (or more) in that state have the surname. Similarly, yellow means approximately 1 in 300 have the surname, green means 1 in 1000, and blue means 1 in 10,000 (or less)