John Vyrnwy Morgan (1860–1925) was a Welsh preacher, Congregationalist minister, and author whose ministry and writings reflected his deep engagement with Welsh religious and cultural life during the late 19th and early 20th centuries. Born on March 21, 1860, at 166 Park Row, Cwmafan, Glamorgan, Wales, he was the second son of John Morgan. Admitted to Seion Congregational Church at age 13, he trained for ministry at Aberavon Academy and Memorial College, Brecon, where he met Sarah Edwards, daughter of a Baptist minister, whom he married in 1884 at Christchurch Congregational Chapel, Oswestry. Ordained that year, he began his career at the Congregational mission in Llanwddyn, ministering to villagers and workers constructing the Lake Vyrnwy reservoir. The couple had four surviving children—three sons and a daughter—though Sarah’s death in the late 1890s profoundly affected Morgan’s life and ministry. Morgan’s preaching career saw him serve several pastorates, including Pontypridd’s English Congregational Church (1892–1893), York Road Chapel in Lambeth, London (1893–1895), and Tabernacle English Baptist Chapel in Swansea (1895–1900) after his 1895 baptism into the Baptist denomination. Known initially for his hard-working enthusiasm—his wife occasionally filled his pulpit—his career took a downturn after personal struggles, including a shift from teetotalism to drinking and a shoplifting arrest in Baltimore in 1902 during a pastorate at North Avenue Baptist Church. Returning to Wales in 1903, he settled in Cardiff, preaching occasionally under a Bishop’s Licence while editing significant works like Welsh Religious Leaders in the Victorian Era (1905) and Welsh Political and Educational Leaders in the Victorian Era (1908). Morgan died on August 9, 1925, leaving a legacy as a preacher and scholar whose early promise was overshadowed by personal challenges, yet whose writings preserved Welsh Victorian religious history.