Baron Ilchester is a title in the peerage of the United Kingdom, created in 1815. The title is associated with the Ilchester family, who have a long history in the English aristocracy. The current holder of the title is Thomas Ilchester, the 9th Baron Ilchester, who succeeded in 2018. The Ilchester family has roots in Somerset, where they have owned land for centuries. The family seat is Montacute House, a notable example of Elizabethan architecture. The title has been passed down through generations, reflecting the family's enduring legacy in British history.