The name Theron reached its peak in 1966, with 180 registrations (ranked #566). It had been quietly building for over half a century before that, first appearing in records in 1880. Since the peak, the name has eased to well outside the top 1,000 (around #2240) today, averaging about 68 new babies per year. Theron has been declining in recent years. Across all years on record, approximately 12,945 American babies have carried this name.