[1] William Pitt Byrne (c. 1806 – 6 or 8 April 1861) was a British newspaper editor and proprietor of The Morning Post.
[2] His father Nicholas Byrne was his predecessor as editor and proprietor of the Morning Post, about whom there is little biographical information in the historical record.
Nicholas Byrne took a strongly pro-Conservative editorial stance, and his son was named after William Pitt the Younger.
He broadened the focus of the Morning Post from being a mostly political journal by including more general topics.
He ended his connection with the paper prior to his death to follow literary pursuits, contributing to leading journals.