The name Tiffany is an English name derived from the Greek name Theophania, which means "epiphany" or "appearance of God." The name gained popularity in the 12th century during the medieval period.

It is believed that the name was first used in reference to the Feast of the Epiphany, a Christian celebration commemorating the revelation of God in human form as Jesus Christ. The name Tiffany was likely a shortened version of Theophania, which was commonly used in medieval Europe.

One of the earliest recorded instances of the name Tiffany can be found in the Domesday Book, a manuscript record of a survey of England commissioned by William the Conqueror in 1086. The name appears as "Tiffanie," referring to a landowner in Gloucestershire.

Throughout history, several notable individuals have borne the name Tiffany. One of the earliest was Tiffany of Brittany (c. 1237-1299), a Breton noblewoman and the Countess of Penthièvre. Another was Tiffany Arundell (c. 1480-1540), an English nun and the last Prioress of Marham Abbey in Norfolk.

In the 16th century, Tiffany Cooke (c. 1550-1616) was an English translator and writer known for her translations of religious works from French and Spanish into English. Tiffany Alston (c. 1618-1659) was an English Puritan clergyman and author during the Commonwealth period.

In more recent times, Tiffany Pollard (born 1982) is an American television personality and actress, best known for her appearances on various reality shows such as Flavor of Love and I Love New York.

These are just a few examples of individuals throughout history who have carried the name Tiffany, a name with roots in medieval Europe and a connection to the Christian celebration of the Epiphany.