Libby is a distinctive girls' name in United States, ranking #1146 in 2025 with 202 recorded births. The name reached its all-time peak in 2009 with 355 births ranking #798. Since 1996, the popularity has increased by 46.4%. In 2025, approximately 1 in every 7,957 girls born was named Libby. STABLE Recent data shows the name is currently stable.
Libby is a warm, friendly short form of Elizabeth and shares that name's traditional Hebrew background. It feels approachable and cheerful while resting on a very established classic.
Once mostly a nickname, Libby has increasingly been used as a full name. Its rise fits the wider trend towards affectionate short forms standing on their own.