How Popular is Your Name? Posted on Apr 24, 2004 by Jody — 7 Comments ↓ At Name Statistics you can search for your first and last names to see how popular they are based on a U.S. Census. Cairns is the #6095 most common last name. 0.002% of last names in the US are Cairns. Around 5000 US last names are Cairns!