Tammy is a distinctive girls' name in United States, ranking #864 in 1997 with 237 recorded births. This places Tammy in the top 5% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1998 with 254 births ranking #841. In 1997, approximately 1 in every 7,345 girls born was named Tammy. RISING Recent data shows the name is currently rising.