William Henry Krause (1796–1852) was a Church of Ireland priest and noted preacher.
He joined the army at 18, and fought in France, and at the Battle of Waterloo in 1815, with the 51st, Second West York, King's Own Light Infantry.
In 1822 he visited Ireland for the wedding of a friend, where he met Angelina Ridgeway and married her, she was instrumental in his conversion to evangelical Protestantism.
[3] After seeking ordination unsuccessfully in England, Krause moved to Cavan where he worked for the evangelical supporting Lord Farnham.
Among those who attended his sermons and were influenced by Krause were John Pentland Mahaffy who became provost of Trinity College and Rev.