Meaning and Name Origin
Raegan \ra(e)-gan\ as a girls' name is a form of Regan (Gaelic): first used as a girl's name in the English-speaking world by Shakespeare as the name for one of the two disloyal princesses in his 1606 tragedy "King Lear". Very common as a name for baby girls.
Raegan is an uncommonly occurring first name for females. Raegan is an equivalently unusual last name too for all people. (2000 U.S. Census)
Charted below is the birth name popularity of Raegan for girls. Raegan entered the list in 1997 and reached its highest rank of #294 in the U.S. in 2012, and is at #321 currently. (Top 1000 Birth Names Statistics, 2014)
Below is a charted comparison of the usage of Raegan and related names. Popular alternative forms of Raegan (#321 in 2014) are Reagan (#106 in 2014) and Regan. Adoption of these girl names reached its apex in the year 2004 and has become significantly lower since, with the version Regan becoming less in vogue. Raegan (#321) and Reagan (#106) are two of the more contemporarily stylish names for newborns among these. (Top 1000 Birth Names Statistics, 2014)
A suggested similar baby name is Maegan. This name tends to be more frequently used than Raegan.