Tam is a distinctive girls' name in United States, ranking #6043 in 2001 with 19 recorded births. This places Tam in the top 34% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 21 births ranking #5650. Since 1996, the popularity has increased by 46.2%. In 2001, approximately 1 in every 94,766 girls born was named Tam. STABLE Recent data shows the name is currently stable.