Jonathan Dymond (1796–1828) was an English Quaker moralist and writer whose work significantly influenced pacifist thought, though he was not a formally ordained preacher in the conventional sense. Born on December 19, 1796, in Exeter, Devon, he was the fourth of five sons of John and Olive Dymond, both Recorded Ministers in the Society of Friends. With limited formal education, he worked as a linen-draper in his father’s shop, using his spare time to read and write essays on religious and moral issues. Converted within the Quaker tradition, he became a fervent advocate for peace, viewing war as a moral evil surpassing even slavery. In 1825, he attended the Peace Society’s annual meeting in London and helped establish an auxiliary branch in Exeter, briefly preaching his pacifist ideals to local gatherings before withdrawing due to declining health. He married Anna Wilkey in 1822, and they had two children, Mary Anna and Charles Jonathan, the latter dying in infancy. Dymond’s ministry, if it can be called that, was expressed more through his pen than the pulpit, as his primary legacy lies in works like An Enquiry into the Accordancy of War with the Principles of Christianity (1823), which argued against war’s compatibility with Christian ethics, and Essays on the Principles of Morality (1829, posthumous). These writings, reflecting his antimilitarist stance and moral clarity, influenced figures like William Lloyd Garrison and shaped Quaker and broader pacifist discourse. His health deteriorated from tuberculosis, and he died on May 6, 1828, at age 31, buried in Exeter’s Quaker Burial Ground. While not a traditional preacher delivering regular sermons, Dymond’s role in advocating peace through public talks and writings aligns with the Quaker practice of lay ministry, leaving a lasting intellectual and ethical impact rather than a conventional preaching legacy.