Reddit mentions of Ceremony of Innocence

Ceremony of Innocence by Daranna Gidel, New York, NY, U.S.A.: Dutton/Plume, 1991

Book Blurb:

> Love, tragedy, and intrigue are the magnetic forces masterfully employed by Gidel to captivate the reader's interest in her first novel. Though their backgrounds are dissimilar, Lucy, Ellis, and Juliana steadfastly pursue the elusive elixir which will satisfy their need to be loved. Raised in a Texas trailer park by dysfunctional parents, Lucy escapes from a misfit, good-ole-boy marriage to find fulfillment in the art world. Ellis, kidnapped by his militant father at a tender age, learns survival in the wilds of the Rocky Mountains as he seeks to rebuild his life. Born to a New York family of great wealth and status, Juliana struggles to capture parental love and the respect of her grandfather as heiress of the family empire. All survivors, the three protagonists are flung together by a plot spiked with passion and violence and laced with an element of surprise.

Has a character named Yvonne. https://books.google.com/books?id=oKP7hcRqTX8C&q=%22ceremony+of+innocence%22+yvonne&dq=%22ceremony+of+innocence%22+yvonne&hl=en&sa=X&ved=2ahUKEwjsk7GZpOPkAhVOs6wKHeNRBKkQ6AEwAHoECAEQAg

Looks to be out of print with no e-book versions, but good condition used hardbacks and paperbacks are a few bucks on Amazon: https://www.amazon.com/Ceremony-Innocence-Daranna-Gidel/dp/0525933484