Bertha is a distinctive girls' name in United States, ranking #1798 in 2001 with 99 recorded births. The name reached its all-time peak in 1996 with 130 births ranking #1314. Since 1996, the popularity has decreased by 23.8%. In 2001, approximately 1 in every 18,187 girls born was named Bertha. STABLE Recent data shows the name is currently stable.