The name Lexi is a modern diminutive form of the name Alexandra, which has its origins in the Greek language. Alexandra is derived from the combination of two Greek words: "alexo" meaning "to defend" and "andros" meaning "man." Together, the name Alexandra can be interpreted to mean "defender of mankind" or "protector of men."

The name Alexandra has been in use since ancient times and can be traced back to the Hellenistic period in ancient Greece. One of the earliest recorded instances of the name is found in the literary works of the ancient Greek historian and biographer, Plutarch, who lived in the late 1st century AD.

In the Middle Ages, the name Alexandra gained popularity in various European cultures, particularly among nobility and royalty. One notable historical figure bearing this name was Alexandra Feodorovna (1872-1918), the last Empress of Russia and wife of Tsar Nicholas II.

The diminutive form Lexi emerged more recently, likely in the late 20th century, as a shortened and more modern variation of Alexandra. While the name Alexandra has a rich historical legacy, Lexi itself is a relatively new name, reflecting the trend towards shorter and more contemporary-sounding names.

Despite its relatively recent emergence, there are a few notable individuals throughout history who have borne the name Lexi. One example is Lexi Ainsworth (born 1992), an American actress known for her roles in television shows like General Hospital and The Forgotten.

Another historical figure with the name Lexi is Lexi Thompson (born 1995), a professional American golfer who has won numerous tournaments on the LPGA Tour. Thompson has been a prominent figure in the sport since her early teens and is known for her impressive achievements at a young age.

In the realm of music, Lexi Jayde (born 1993) is an American singer and songwriter who rose to fame as a finalist on the reality competition show The X Factor in 2012.

Lexi Belle (born 1987) is an American former pornographic actress and model who was active in the adult film industry in the late 2000s and early 2010s.

Lastly, Lexi Underwood (born 2004) is an American actress best known for her role as Pearl Warren in the television series Little Fires Everywhere, which aired in 2020.

While the name Lexi is relatively new and does not have a long historical record, its origins can be traced back to the ancient Greek name Alexandra, which has a rich legacy spanning centuries.