[Opinions] I like the idea of using Pearl... (m)
in reply to a message by AET
since it is both the meaning of your mother's name and her birth stone. Megan is okay, but a bit plain, IMO.
Some other variations on Margaret are Marguerite, Gretchen, and Magali.
Some other variations on Margaret are Marguerite, Gretchen, and Magali.