Bertha is a distinctive girls' name in United States, ranking #3416 in 2011 with 47 recorded births. The name reached its all-time peak in 1996 with 130 births ranking #1314. Since 1996, the popularity has decreased by 63.8%. In 2011, approximately 1 in every 37,421 girls born was named Bertha. STABLE Recent data shows the name is currently stable.