Gray-haired or gray meadow
Graylen is a modern English compound name, likely blending the color name Gray with the popular suffix -len or the surname suffix -lyn. It may also be interpreted as a variation of the English surname Grayland, referring to a gray-colored meadow or land.
Less common today
Graylen isn't in the latest US Top 1000. It last peaked at #3,438 in 2023.
US births per 5-year period, 1990βpresent (SSA data).