The name Lyndsey is an English variant of the Scottish surname Lindsay, which is derived from the region of Linsay or Lindsey in Lincolnshire, England. The name itself can be traced back to the Old English words "lind" meaning "lime tree" and "ea" meaning "island" or "river."

The earliest recorded use of the name Lyndsey dates back to the late 19th century, when it began to gain popularity as a feminine given name. It was likely influenced by the increasing use of surnames as given names during this period.

One of the earliest recorded individuals with the name Lyndsey was Lyndsey Savage, an American actress born in 1904. She appeared in several films during the 1920s and 1930s.

Another notable Lyndsey was Lyndsey Anderson (1923-1994), a British film director and writer. He is best known for his satirical films such as "O Lucky Man!" and "Britannia Hospital."

In literature, the name Lyndsey appears in the novel "The Grapes of Wrath" by John Steinbeck, published in 1939. The character Lyndsey Jennings is a preacher who helps the Joad family on their journey.

In the world of sports, Lyndsey Fry (born 1985) is an American ice hockey player who has represented the United States in several Olympic Games, winning silver medals in 2010 and 2014.

Lyndsey Webster (born 1989) is a British singer and songwriter who rose to fame as a contestant on the TV talent show "The X Factor" in 2009. She has since released several successful albums and singles.