Isabeau is a distinctive girls' name in United States, ranking #14088 in 2023 with 6 recorded births. The name reached its all-time peak in 2013 with 25 births ranking #5381. Since 1996, the popularity has decreased by 62.5%. In 2023, approximately 1 in every 267,108 girls born was named Isabeau. STABLE Recent data shows the name is currently stable.