Meegan is just a variation of
Megan.
The "strong" interpretation is one of the incorrect etymologies of
Megan that turned up in American baby name books in the early days. It's found in, among others,
What Shall We Name the Baby? by
Winthrop Ames, which was one of the first popular baby name books (copyright 1941).
Ames says that
Megan is "The strong or able" in "Anglo-Saxon."
This must come from incorrectly guessing that
Megan was a form of Magin, Magan, or Maegen, a Germanic word with that meaning which is the origin of the first half of the name
Maynard. (See "
Meginhard" in this site's name dictionary.)
This message was edited 9/10/2013, 9:36 PM