During business hours, Adelaide Beeman-White, 27, dons what she describes as her “costume”: a dark suit, collared shirt, pearls and Mary Jane shoes, which she wears to work as a criminal defense lawyer. But as soon as she steps out of her Prius and into the Oregon home she shares with her mother, Beeman-White transforms into what she feels is her true identity: A woman living between 1893 and 1898.