Son of Egan; fiery or small flame
Keygan is a modern phonetic spelling of the traditional Irish surname Keegan, which derives from the Gaelic Mac Aodhagáin. The root name Aodhagáin is a diminutive of Aodh, the name of the Celtic god of fire. It suggests a spirited or fiery personality.
Less common today
Keygan isn't in the latest US Top 1000. It last peaked at #3,329 in 2008.
US births per 5-year period, 1990–present (SSA data).
