Tammy is a distinctive girls' name in United States, ranking #1184 in 2003 with 182 recorded births. The name reached its all-time peak in 1998 with 254 births ranking #841. Since 1996, the popularity has decreased by 19.1%. In 2003, approximately 1 in every 10,039 girls born was named Tammy. RISING Recent data shows the name is currently rising.