Little fire or son of Egan
Keighan is a modern variant of the Irish name Keegan, which is an Anglicized form of the Gaelic Mac Aodhagáin. The root of the name is 'Aodh', the name of the Celtic god of fire, combined with a diminutive suffix. It carries the connotation of being spirited or fiery.
Less common today
Keighan isn't in the latest US Top 1000. It last peaked at #5,234 in 2014.
US births per 5-year period, 1990–present (SSA data).
