Jack is a classic, unisex given name of English origin, derived from the medieval nickname 'Johnkin,' which was a diminutive form of John. It gained popularity during the Middle Ages and has since been widely used across the globe. Jack is also a familiar term for a man or boy in English-speaking countries, making it an easily recognizable name.
Based on the provided statistics, the name Jack had a significant rise in popularity around the early 1900s, with a peak of 75 births in 1924. This trend continued until the late 1930s, after which there was a steady decline. The most recent data shows that the name Jack is still being chosen, but at a much lower frequency than its peak in the early to mid-20th century.