Tammy is a distinctive girls' name in England & Wales, ranking #687 in 2004 with 42 recorded births. The name reached its all-time peak in 1996 with 92 births ranking #364. Since 1996, the popularity has decreased by 54.3%. In 2004, approximately 1 in every 6,806 girls born was named Tammy. FALLING Recent data shows the name is currently falling.