Sir William Young, 1st Baronet (died 1848) was a British baronet.
He was the son of the Reverend John Young and Anne McClintock.[1] On 20 September 1806, he married Lucy Frederick (died 8 August 1856), daughter of Sir Charles Frederick and Hon. Lucy Boscawen.[1] They had two daughters and five sons:[1]
In 1814, William Young bought the Bailieborough Castle estate in County Cavan, Ireland, from Thomas Charles Stewart Corry.[2] Young laid out the town of Bailieborough in its present location and was created 1st Baronet Young of Bailieborough Castle on 28 August 1821.[2] In the 1830 United Kingdom general election, he was an unsuccessful candidate for the Cavan constituency.
He died on 10 March 1848, and he was succeeded by his eldest son, John Young, as 2nd Baronet.[1]