The name Ashleigh is an English given name that has its origins in the Old English word "æsc" meaning ash tree, and "leah" meaning meadow or clearing. It was originally a surname derived from a place name, referring to someone who lived near an ash tree meadow or clearing.

In its earliest recorded use, the name Ashleigh was found in the Domesday Book of 1086, a manuscript record of a survey of England and parts of Wales completed in 1086 by order of William the Conqueror. It appeared as a surname, referring to various locations with names like Ashleigh, Ashley, or Ashlee.

The name Ashleigh gained popularity as a given name for girls in the 20th century, likely influenced by its similar sound to the more traditional name Ashley. One of the earliest recorded instances of Ashleigh as a first name was Ashleigh Brilliant, an American author and cartoonist born in 1933.

Throughout history, there have been several notable individuals with the first name Ashleigh. Ashleigh Barty, born in 1996, is an Australian professional tennis player and former world No. 1. Ashleigh Murray, born in 1988, is an American actress and singer known for her role as Josie McCoy on the TV series Riverdale.

Ashleigh Cummings, born in 1992, is an Australian actress who has appeared in films and TV shows such as Miss Fisher's Murder Mysteries and Hounds of Love. Ashleigh Harrington, born in 1985, is a British model and actress who has worked in both the UK and the US.

Ashleigh Gentle, born in 1991, is an Australian professional triathlete who has competed in the Olympics and won multiple World Triathlon Series races. These are just a few examples of notable individuals who have carried the first name Ashleigh throughout history.