Mckinsey is a distinctive girls' name in United States, ranking #5726 in 2018 with 22 recorded births. The name reached its all-time peak in 2006 with 55 births ranking #3075. Since 1996, the popularity has decreased by 47.6%. In 2018, approximately 1 in every 77,292 girls born was named Mckinsey. FALLING Recent data shows the name is currently falling.