Blair is a moderately popular girls' name in United States, ranking #169 in 2025 with 1,806 recorded births. The name reached its all-time peak in 2025 with 1,806 births ranking #169. Since 1996, the popularity has increased by 440.7%. In 2025, approximately 1 in every 890 girls born was named Blair. RISING Recent data shows the name is currently rising.