Gailen is an uncommon, yet intriguing given name of unknown etymology. It is predominantly used as a masculine name, though its meaning and pronunciation may vary across different cultures. In some regions, Gailen is considered a variant spelling of the more common name 'Galien', while in others, it stands alone as a unique moniker. The name's uniqueness can make it memorable, but it also means that those named Gailen often have few to no namesakes, allowing them to stand out and be easily recognized.
The name Gailen experienced fluctuations in popularity throughout the period of these statistics, with peaks occurring in the late 1940s and early 1950s. The highest number of births recorded was 13 in 1949. After a significant decline in popularity following this peak, the name saw another spike in usage during the mid-1950s before tapering off again towards the end of the century with only five births recorded in 1963 and none in subsequent years until 1996 when there were also just five births. Overall, Gailen was a relatively uncommon name throughout this period, with a total of 250 births recorded over the course of these years.