Tammy is a distinctive girls' name in United States, ranking #3329 in 2019 with 48 recorded births. The name reached its all-time peak in 1998 with 254 births ranking #841. Since 1996, the popularity has decreased by 78.7%. In 2019, approximately 1 in every 34,949 girls born was named Tammy. RISING Recent data shows the name is currently rising.