Ash is of unknown origin, but it may derive from various sources. It could be from Old English 'æsc', meaning 'ash tree'. Alternatively, it might come from the Old Norse 'Ásatr', which means 'of the god Aesir'. In some cases, Ash can also serve as a short form for names like Ashley or Ashton. The name has gained popularity in recent years due to its unisex appeal and modern sound. It is often associated with nature, particularly the ash tree and the color ash, giving it a certain earthy and elegant quality.
The name Ash experienced a significant rise in popularity from the late 1990s onwards, with a notable spike occurring around the year 2020.