Douglas Harper's Etymology Dictionary
fem. proper name; the first element is Breton gwenn "white" (cognates: Welsh gwyn, Old Irish find, Gaelic fionn, Gaulish vindo- "white, shining," literally "visible"), from nasalized form of PIE root *weid- "to see, know" (see vision).
Wikipedia
Gwendolyn is a feminine given name, a variant spelling of Gwendolen (perhaps influenced by names such as Carolyn, Evelyn and Marilyn). This has been the most popular spelling in the United States.
Usage examples of "gwendolyn".
I am My Serene Highness, Crown Princess of the Nonarable Lands, Duchess of the Frozen Fjords, Marchioness of the Miserable Mires, Anastasia Ilonia Vasilia Gwendolyn Martha Nettletongue, at your service, though actually, you understand, that is only a figure of speaking.
When they stopped, Gwendolyn looked up at Hildegard with a rueful expression.
Gwendolyn had never made any mention of a "servant class" in the Baronies, but I assumed such creatures must exist.
Gwendolyn was explaining, the tulips petals brushing thoughtfully against her bejeweled earlobe, "Simkin and my father, Lord Samuels, the GuildmasterYou know him?
Gwendolyn must not begin her chiefship with a crime against the succession.
So Gwendolyn is heir to the chiefship and has the chance to improve things greatly in this tribe, because, of course, the goblin women have always been everything the goblin men are not: intelligent, attractive, and decent.
They leave them sheathed in bin liners filled with second hand trousers anonymously dumped to be discovered in the morning, and Gwendolyn and Louisa had quite a collection now, sitting in a box out back.
Here is the wedding dress Graice Courtney will be wearing at her wedding to Alan Savage in the First Presbyterian Church of Syracuse, New York: an Empire style gown sewed for Gwendolyn Savage's mother in 1904, lovely flawlessly white Chinese silk, a bodice of tight, tiny pleats, a many layered skirt with an illusion of floating, and a long graceful train, and a bridal veil of Brussels lace: an extraordinary costume the bride to be has contemplated many times in the past six months and now contemplates in silence another time, holding it at arm's length, reverently before, with the deft assistance of missis Savage and the seamstress missis Vitale, she tries it on again.
That made Gwendolyn think of the old Caddy Mama kept garaged all the time, only taking it out for weddings and funerals.
If she hadn't kept Gwendolyn garaged up along with the Caddy all these years .
Gwendolyn, even when they had gone to Jacintha to oppose Abbot Olin, they had never moved inland more than a couple of hours’ march from their ships and the safety of the Mirianic.
If someone were to attempt to donate a weapon during opening hours they would be politely censured by Louisa, or sternly lectured by Gwendolyn.
For dessert there are three delicacies, each from a recipe handed down through Gwendolyn Savage's family, the Makepeaces of Raleigh, North Carolina: a pumpkin pie with whipped cream, an airy prune whip, chocolate puddings in fluted little half pint cups.
Heloise laced her fingers together, Gwendolyn puckered her mouth in a pout, and Bernadine stuck out her chin, dewlaps quivering.
Hackworth almost managed to dress without waking Gwendolyn, but she began to stir while he was stringing his watch chain around various tiny buttons and pockets in his waistcoat.