The name Krystal is derived from the Greek word "krystallos," which means "ice" or "crystal." The name is believed to have originated in Greece during ancient times, possibly as early as the 5th century BC.

The earliest recorded use of the name Krystal can be traced back to ancient Greek literature and mythology. In Greek mythology, Krystal was the name of a nymph who was believed to be the embodiment of ice and snow. She was often depicted as a beautiful, ethereal figure with a crystalline appearance.

During the Middle Ages, the name Krystal gained popularity in certain parts of Europe, particularly in regions with strong ties to the Byzantine Empire. It was sometimes used as a variant spelling of the name Kristina or Christina, which also had Greek roots.

One of the earliest recorded individuals with the name Krystal was Krystal of Arles, a 5th-century Christian martyr who was born in modern-day France. She was canonized as a saint by the Catholic Church for her unwavering faith and sacrifice.

In the 16th century, a notable figure named Krystal Eirenikos was a Greek scholar and diplomat who played a significant role in the Council of Ferrara-Florence, an attempt to reunite the Eastern Orthodox and Roman Catholic churches.

During the 19th century, the name Krystal gained popularity in parts of Europe and North America, particularly among families with Greek heritage or those who were drawn to the name's unique and distinctive sound.

One of the most famous individuals with the name Krystal was Krystal Carrington, a fictional character from the popular 1980s television series "Dynasty." Portrayed by actress Linda Evans, Krystal Carrington was a strong and independent woman who became a fan favorite.

Another notable Krystal was Krystal Kuhn, an American athlete and two-time Olympic gold medalist in swimming. She achieved her Olympic victories in the 1952 and 1956 Summer Olympics, setting multiple world records in the process.

The name Krystal has maintained a certain level of popularity over the years, particularly in English-speaking countries, where it is often considered a unique and modern variation of more traditional names like Kristen or Kristina.