Mckinsey is a distinctive girls' name in United States, ranking #10819 in 2020 with 9 recorded births. The name reached its all-time peak in 2006 with 55 births ranking #3075. Since 1996, the popularity has decreased by 78.6%. In 2020, approximately 1 in every 179,501 girls born was named Mckinsey. FALLING Recent data shows the name is currently falling.