Tam is a distinctive girls' name in United States, ranking #11744 in 2015 with 9 recorded births. The name reached its all-time peak in 2002 with 21 births ranking #5650. Since 1996, the popularity has decreased by 30.8%. In 2015, approximately 1 in every 198,295 girls born was named Tam. STABLE Recent data shows the name is currently stable.