The name Callen, pronounced KAL-uhn (/ˈkælən/), is a strong and modern choice for boys. It has Gaelic origins, meaning "rock" or "battle," which imbues it with a sense of strength and resilience. Over the past few decades, Callen has steadily risen in popularity in the United States, reflecting its appeal to parents seeking a unique yet approachable name. Variations like Calen offer additional flexibility for those who appreciate slight twists on traditional spellings. The name's consistent presence in baby name charts since the mid-20th century showcases its enduring charm and timeless quality. Whether you're drawn to its solid roots or contemporary feel, Callen remains a versatile and attractive option for your baby boy.