Meaning and Name Origin
Regan \r(e)-gan\ as a girls' name (also used as boys' name Regan) is pronounced REE-gan, RAY-gun. It is of Gaelic origin. 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". Also possibly surname used as a girl's name.
For more information, see also the related girl name Regina.
Regan is a very prominent first name for females (#2091 out of 4276, Top 49%) and also a very prominent surname for both adults and children (#2067 out of 88799, Top 2%). (2000 U.S. Census)
Displayed below is the baby name popularity of Regan for girls. Regan entered the list in 1970-1979 and reached its peak position of #390 in the U.S. in the year 2001, but is not listed currently. (2014 Birth Statistics)
Below is a charted analysis of the popularity of the girl name Regan and related names. Prominent related forms of Regan rated in the Top 1000 are Raegan (#321 in 2014), Reagan (#106) and Regina (#525). Usage of these girl names was at its most widespread in the year 2007 and is somewhat lower today, with the forms Regan and Regina becoming less trendy. Raegan (#321) and Reagan (#106) are two of the more chic names for newborns here. (2014 Birth Statistics)