Sinclaire is a distinctive girls' name in United States, ranking #10939 in 2024 with 9 recorded births. The name reached its all-time peak in 1998 with 16 births ranking #6332. Since 1996, the popularity has increased by 28.6%. In 2024, approximately 1 in every 179,243 girls born was named Sinclaire. RISING Recent data shows the name is currently rising.