Kerrigan is a distinctive girls' name in United States, ranking #2049 in 2011 with 95 recorded births. This places Kerrigan in the top 10% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 118 births ranking #1755. In 2011, approximately 1 in every 18,514 girls born was named Kerrigan. FALLING Recent data shows the name is currently falling.