Tam is a distinctive girls' name in United States, ranking #8517 in 1998 with 11 recorded births. The name reached its all-time peak in 2002 with 21 births ranking #5650. Since 1996, the popularity has decreased by 15.4%. In 1998, approximately 1 in every 160,626 girls born was named Tam. STABLE Recent data shows the name is currently stable.