Lambert is a distinctive boys' name in United States, ranking #5214 in 2017 with 18 recorded births. The name reached its all-time peak in 2017 with 18 births ranking #5214. Since 1996, the popularity has increased by 80.0%. In 2017, approximately 1 in every 102,795 boys born was named Lambert. RISING Recent data shows the name is currently rising.