Anstin is of Greek origin, derived from the name Anastasia, which means "resurrection" or "rebirth". It is a unisex name, although it is more commonly used for males. The name has been popular throughout history and has been borne by several notable figures, including Saint Anastasia, who was a martyr in the early Christian church. In recent years, the name has seen an increase in popularity in some countries.
Anstin had a consistent popularity with 5 births each in 2005, 2008, 2009, and 2012, resulting in a total of 20 babies named Anastin during those years.