Young married Julia Ann Grimani of the Venice Grimani family. She was famed for her beauty and talent. At the Theatre Royal, Liverpool, on 20 October 1803, she appeared with him in "The Belle's Strategy" as Letitia Hardy; their first stage performance together. She made her London stage "début" in 1804 as Juliet. In October of that year, she contracted to play at the Theatre Royal, Liverpool, as Juliet to Young's Romeo. On 9 March 1805, they married at St. Ann's Church, Liverpool. They contracted for a twelve-month season at Manchester. The next year, after giving birth to her son, Julian Charles Young, she fell victim to puerperal fever, dying on 17 July 1806 at age 21.