The name Carleigh is a modern English variant of the traditional name Carlisle. It is derived from the Old English words "cær" meaning "rock" and "leah" meaning "meadow or clearing." The name Carlisle originally referred to the town of Carlisle in Cumbria, England, which was founded by the Romans and named Luguvalium. The town's name eventually evolved into Carlisle.

The earliest known use of the name Carleigh dates back to the late 20th century, when it became popular as a feminine given name in English-speaking countries. While the traditional name Carlisle has a long history, the variant Carleigh is relatively new and does not have any significant historical references or notable bearers from earlier periods.

One of the earliest recorded individuals with the name Carleigh was Carleigh O'Hartigan, an Australian actress born in 1984. She has appeared in various television shows and films, including "All Saints" and "Underbelly."

Another notable bearer of the name is Carleigh Silvers, an American paralympic swimmer born in 1997. She has won multiple medals at the Paralympic Games, including gold medals in the 2016 Rio Paralympics.

Carleigh Shilling, born in 1988, is an American actress and model. She has appeared in several TV shows and films, such as "Gossip Girl" and "The Haunting of Molly Hartley."

Carleigh Fedorka, born in 1989, is an American professional wrestler known by her ring name Carleigh. She has performed for various independent wrestling promotions in the United States.

Carleigh Herbert, born in 1994, is a Canadian singer-songwriter and actress. She gained recognition for her role in the television series "The Next Step" and has released several singles and an EP.

It's important to note that while the name Carleigh has become more popular in recent years, its historical records and notable bearers are limited due to its modern origins.