Castor is a name of Latin origin, derived from the word 'castor', which means beaver in Latin. It was popularized through ancient Roman culture and literature, most notably as one of the twins in the story of Castor and Pollux, also known as the Gemini twins in Greek mythology. This mythological association has contributed to its enduring appeal across cultures over centuries. The name is often associated with strength, adaptability, and perseverance due to the beaver's characteristics, reflecting the animal's ability to build intricate dams and navigate diverse environments. In various languages, such as French, Italian, Portuguese, Spanish, Castor remains a unisex given name, while in English it is more commonly used for males. Notable figures bearing this name include several saints and historical figures, further enriching its legacy.
"The name Castor experienced a notable increase in popularity from the late 2000s onwards, with a significant spike occurring between 2016 and 2020, during which time the number of annual births more than doubled, reaching its peak at 29 births in 2016. However, it appears that this trend has since stabilized, with the number of births remaining relatively consistent over the past few years."