The name Oniel reached its peak in 1993, with 13 registrations (ranked #4625). It had been quietly building for over half a century before that, first appearing in records in 1913. Since the peak, the name has eased to well outside the top 1,000 (around #9837) today, averaging about 8 new babies per year. Oniel's usage has held roughly steady recently. Across all years on record, approximately 246 American babies have carried this name.