Definition of "Agnes"

Why do you call Mrs. Stone Aggie? Agnes is such a beautiful name, it is a shame to nick it in that way." Then, quickly regretting his impatience, he added, "You would not have been jealous, would you, Jenny?

1876, Annie Howells Fréchette, “Reuben Dale”, in The Galaxy, W.C. and F.P.Church, 1876, page 394

Right then and there in her mind she had christened it Agnes, the only name she knew elegant enough for such a peerless creature. - - - She held the doll so her brothers could see. "Look, isn't she beautiful? Her name is Agnes.[...]Agnes? Agnes?" Jack gagged realistically. "What a soppy name! Why don't you call her Margaret or Betty?

1977, Colleen McCullough, The Thorn Birds, Harper & Row, page 3,5

I found myself wanting to explain it to her, this middle-aged woman with the kind of haircut you call a hairdo, which needed to be set in rollers every night, who had a name like Agnes or Harriet, a name that even predated my mother's generation.

1995, Elizabeth Wurtzel, Prozac Nation: Young and Depressed in America, Riverhead Books, page 14