Tilly is a distinctive girls' name in United States, ranking #12332 in 1998 with 7 recorded births. The name reached its all-time peak in 2025 with 302 births ranking #885. Since 1996, the popularity has decreased by 12.5%. In 1998, approximately 1 in every 252,413 girls born was named Tilly. RISING Recent data shows the name is currently rising.
Tilly is a lively vintage short form most often linked to Matilda and its battle-strength meaning. It feels friendly, bright, and very wearable.
The name returned strongly as old-fashioned nickname forms came back into fashion. Its appeal lies in combining sweetness on the surface with a sturdy classic root underneath.