Eastyn is a modern spelling of Easton, an English surname from the many villages called East Town, so it means "eastern settlement" or "east town". The -yn ending follows the same trend as Ashtyn and Braxtyn and sets the name apart from the far more common Easton. Eastyn peaked at number 1843 in the United States in 2021 and ranks 2189 in 2025 with 65 boys given the name.