If Margaret Sounds A Bit Formal, The Girls Name Maggy Will Surely Get Those Butterflies In Your Tummy Flapping! Margaret, As In Thatcher And The Princess And Countess Of Snowdon, Is A Greek With The Beautiful Meaning Of "pearl." Many Wickedly Talented Actresses Also Share This Names Variant, Maggie. From Maggie Gyllenhaal And Maggie Q To The Quick-witted Maggie Smith Of Harry Potter and Downton Abbey, The List Goes On And On. Future Film Star Or Politician, Youre Little Sweetheart Will Have Many Role Models, But None As Special As You.