Madigan is a distinctive girls' name in United States, ranking #6943 in 1998 with 14 recorded births. The name reached its all-time peak in 2002 with 67 births ranking #2399. Since 1996, the popularity has decreased by 12.5%. In 1998, approximately 1 in every 126,206 girls born was named Madigan. FALLING Recent data shows the name is currently falling.