The name Donny originates from the Greek name Donatos, which means "given by God." It is a diminutive or shortened form of the name Donald, derived from the Gaelic name Domhnall, meaning "world ruler" or "world mighty." The name Donny became popular during the Middle Ages in various regions of Europe, particularly in Scotland and Ireland.

One of the earliest recorded instances of the name Donny can be found in the Annals of Ulster, a chronicle of medieval Irish history, where it is mentioned in the year 1184. The name Donny was also present in various Scottish and Irish literary works from the 13th and 14th centuries.

Throughout history, several notable individuals have borne the name Donny. One of the most famous was Donny O'Brien (1185-1242), an Irish king who ruled the Kingdom of Thomond in the early 13th century. Another prominent figure was Donny Galloway (1292-1349), a Scottish knight and military commander who fought alongside Robert the Bruce during the Wars of Scottish Independence.

In more recent times, Donny Hathaway (1945-1979) was an American singer-songwriter and musician who left an indelible mark on the soul and jazz genres. Donny Osmond (born 1957) is an American singer, actor, and former teen idol who found success as a member of the Osmonds, a famous musical group.

Donny Van de Beek (born 1997) is a Dutch professional footballer who currently plays for Manchester United in the English Premier League. He has represented the Netherlands national team and is known for his versatility and technical ability on the field.

While the name Donny has its roots in ancient Greek and Gaelic languages, it has transcended cultural boundaries and gained popularity across various regions, with notable individuals bearing this name throughout history, leaving their mark in various fields such as music, sports, and literature.