Janet is a distinctive girls' name in United States, ranking #890 in 2010 with 298 recorded births. This places Janet in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1996 with 827 births ranking #338. Since 1996, the popularity has decreased by 64.0%. In 2010, approximately 1 in every 5,964 girls born was named Janet. FALLING Recent data shows the name is currently falling.