Gray-haired or son of the gray-haired one
A modern American invention likely derived from the English surname Grayson or the color Gray, combined with the popular 'lon' suffix. It suggests a sense of maturity or wisdom associated with the color gray, while maintaining a contemporary rhythmic sound.
Less common today
Graylon isn't in the latest US Top 1000. It last peaked at #5,167 in 2016.
Former American football player
US births per 5-year period, 1990βpresent (SSA data).