Lucas is a distinctive girls' name in United States, ranking #10570 in 2025 with 9 recorded births. The name reached its all-time peak in 2004 with 39 births ranking #3723. In 2025, approximately 1 in every 178,585 girls born was named Lucas. STABLE Recent data shows the name is currently stable.
Lucas belongs to the Luke name family and is traditionally traced back to a word meaning someone from Lucania, a region of southern Italy. Many modern guides also connect it with light because of its sound and its overlap with other Luc- names.
The name spread widely through Christian and European naming traditions and has become especially popular across English-speaking countries in recent decades. It feels classic, friendly, and international without sounding old-fashioned.