The name Chasidy is a relatively modern variant of the Hebrew name Chastity, which originated in the Middle Ages. Chastity was derived from the Latin word "castitas," meaning purity or virtue. In the Christian tradition, chastity was considered a virtue and was highly valued, particularly for women.

The earliest recorded use of the name Chastity can be traced back to the 13th century. One of the earliest known bearers of the name was Saint Chastity, a French nun and mystic who lived in the 12th century. She was known for her pious life and devotion to God.

In the 16th century, the name gained popularity among English Puritans who valued chastity as a moral virtue. One notable bearer of the name was Chastity Harraden (1567-1641), an English Puritan preacher and author who wrote extensively on the importance of chastity and moral purity.

The variant spelling Chasidy emerged in the late 20th century, likely influenced by the growing trend of creating unique name variations. It was possibly inspired by the French word "chasidique," which means "pious" or "devout."

One of the earliest recorded individuals with the name Chasidy was Chasidy Rae Sims, an American actress born in 1987. She is best known for her roles in television shows such as "Glee" and "The Young and the Restless."

Another notable bearer of the name was Chasidy Kernel, an American singer and songwriter born in 1990. She gained recognition for her appearances on the reality television show "The Voice" in 2013.

In literature, Chasidy is the name of a character in the novel "The Cider House Rules" by John Irving, published in 1985. The character, a young woman, is portrayed as a symbol of innocence and purity.

Other notable individuals with the name include Chasidy Puckett, an American basketball player who played for the University of Oklahoma in the early 2000s, and Chasidy Rae Beasley, an American pageant contestant who won the title of Miss Georgia USA in 2013.