[ 2 syll. kee-gan, ke-eg-an ] The baby boy name Keegan is pronounced as KIY-GaeN †. Keegan's language of origin is Celtic. It is predominantly used in the English and Irish languages. It is derived from the word mac which means 'son'. The first name is from Anglicized form of the Gaelic surname Mac Aodhagáin, which means 'descendant of Aodhagán'.
Kegan (variant spelling in English and Irish) is another form of Keegan.
See also the related form, Aodhagán (English, Gaelic, and Irish).
Keegan is a rather popular baby boy name. The name's popularity jumped from the 1970s up to the 2000s; before that, it was of only irregular use. Its usage peaked modestly in 2008 with 0.077% of baby boys being given the name Keegan. It was #222 in rank then. The baby name has experienced a decline in popularity since then. In 2018, it ranked at #351 with a usage of 0.048%, but it was nonetheless the most popular among all boy names in its family. Keegan was used 4 times more than the subsequent ranked name, Keagan, in 2018.
† Pronunciation for Keegan: K as in "key (K.IY)" ; IY as in "eat (IY.T)" ; G as in "grin (G.R.IH.N)" ; AE as in "at (AE.T)" ; N as in "knee (N.IY)"