With The Fitting Meaning Of “good” Or “pure,” Aggie Already Sounds Like A Charming And Appropriate Name For Baby. With Greek Origins, Aggie Comes From The Mythical Name agathodaemon. An Agathodaemon Was A Personal Or Supernatural Companion Spirit Who Ensured Good Luck, Health, Fertility, Wisdom, And Protection. Traditionally, An Agathodaemon Is Symbolized Through A Serpent. This Is Also Why You Can Find Such Creatures On Pharmacy Buildings. Needless To Say, Baby Aggie Is Sure To Feel Lucky On Hearing How Much Love And Care You Put Into Choosing Their Name.