Isobella is a distinctive girls' name in United States, ranking #9670 in 2016 with 11 recorded births. The name reached its all-time peak in 2009 with 22 births ranking #6187. Since 1996, the popularity has increased by 120.0%. In 2016, approximately 1 in every 161,044 girls born was named Isobella. FALLING Recent data shows the name is currently falling.