Tonnie is a gender-neutral given name of Dutch origin, derived from Anthony, meaning 'priceless' or 'highly praiseworthy'. It consists of three syllables: Ton-nie. The name gained popularity in the Netherlands during the mid 20th century and has since been used worldwide, though it remains relatively uncommon outside its country of origin.
Based on the provided statistics for the name Tonnie, it appears that its popularity has fluctuated significantly over time. The peak years for the name were between 1953 and 1964, with a high of 28 births in 1963. However, there was a marked decline after the late 1960s, with fewer than 20 births per year recorded from 1972 onwards. In recent years (2000-2007), the name has seen another resurgence, albeit at lower levels of popularity compared to its peak decades ago. Overall, there were a total of 684 births registered with the name Tonnie across the periods covered by these statistics.