John Rosbrugh (c.1714–1777), Presbyterian Minister and Revolutionary War Chaplain

Early life and education

Details of Rosbrugh’s youth are sketchy; contemporary accounts place his birth around 1714. He attended the College of the New Jersey before its renaming and later pursued ordination in the Presbyterian Church. The College of the New Jersey provided classical and theological instruction that formed many colonial clergymen of the period; Rosbrugh’s education there prepared him for pastoral work in frontier and rural communities.

Clerical career

After ordination Rosbrugh served as a Presbyterian minister, preaching to local congregations and performing pastoral duties. The Presbyterian ministry in colonial America often emphasized preaching, catechesis, and community leadership; ministers like Rosbrugh were expected to be moral guides, teachers, and occasional local spokesmen on political matters. His position gave him social standing and local influence in Northampton County and surrounding districts.

Military service and the Revolutionary War

In 1776, responding to the call for local defense, Rosbrugh helped organize and commanded a company in the 3rd Northampton County militia of Pennsylvania. He later accepted a commission as a company chaplain, taking on both spiritual care and the responsibilities that came with accompanying soldiers. Chaplains in the Continental forces ministered to troops, led prayers, read scriptures, and offered counsel amid the strains of campaigning.

Battle and death

Rosbrugh was killed during the engagement commonly known as the Second Battle of Trenton or the Battle of the Assunpink Creek, which occurred in early January 1777. Eyewitness reports and later accounts describe him falling while performing his duties among the men. Because he served formally as a chaplain and died in combat conditions, historians and commemorations often identify him as the first American military chaplain to be killed in action.

Legacy and significance

Rosbrugh’s life illustrates how colonial clergy could move from pew to battlefield in the Revolutionary era, blending spiritual leadership with civic and military involvement. His story is cited in studies of religion in the Revolution and in histories of military chaplaincy in the United States. Remembered locally and in military histories, Rosbrugh stands as an early example of the sacrifices made by religious leaders who joined the Patriot cause.

Quick facts

• Education: Graduate of the College of the New Jersey (Princeton University).
• Ordination: Served as an ordained Presbyterian minister (Presbyterian Church).
• Military role: Organized the 3rd Northampton County militia and later served as a company chaplain (Northampton County, Pennsylvania).
• Final engagement: Killed at the Battle of the Assunpink Creek / Second Battle of Trenton while serving as chaplain (company chaplain).