The name Isbella reached its peak in 2006, with 12 registrations (ranked #9522). It had been quietly building for over half a century before that, first appearing in records in 1926. Since the peak, the name has eased to well outside the top 1,000 (around #13519) today, averaging about 7 new babies per year. Isbella's usage has held roughly steady recently. Across all years on record, approximately 165 American babies have carried this name.