What does Shay mean?
Shay /shay/ [1 syll.] as a name for girls (also used as boys' name Shay) is of Gaelic origin, and Shay means "admirable". Shay is an alternate spelling of Shea (Gaelic). Shah is a conventional surname.
How popular is Shay?
Shay is a very popular first name for females (#2070 out of 4276, Top 48%) and also a very popular surname for both adults and children (#3513 out of 150436, Top 2%). (2000 U.S. Census)
Below is a charted comparison of the usage of Shay and corresponding names. Prominent alternative forms of Shay (unlisted) listed in the Top 1000 are Shayla (#746 last year), Shea, Shaylee and Shae. Usage of these girl names was at its apex in 1998 (usage of 0.314%) and is now significantly lower (usage 0.0635%, down 79.8%), with the versions Shayla, Shaylee and Shea becoming less stylish. (2014 Birth Statistics)