Tonna is of Latin origin and means 'from the town'. It is a unisex name, although it is more commonly used for females. The name's popularity peaked during the late 19th to early 20th centuries.
The name Tonna experienced varying popularity over the years, with its peak being in 1963 and 1971, each having 31 and 26 births respectively. However, from the late 1980s onwards, it became quite rare, with only a handful of births each year, reaching as low as 5 births in several years between 1995 and 2008.