The 9th Pennsylvania Regiment was authorised on September 16th, 1776, by the Continental Congress as part of the expansion of the Continental Army's Pennsylvania Line to bolster forces amid escalating British threats and assigned to the main army on December 27th, 1776, comprising eight companies of volunteers recruited primarily from Lancaster, Cumberland, Westmoreland, Chester, Philadelphia, and other Pennsylvania counties during the spring of 1777 organisation at Philadelphia.
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| Volunteers were recruited primarily from Lancaster, Cumberland, Westmoreland, Chester, Philadelphia, and other Pennsylvania counties, and organised in the spring of 1777 at Philadelphia. |
This authorisation followed the reorganisation of Pennsylvania's contributions to the national army, aiming to raise additional infantry regiments for three-year enlistments or the duration of the war. Colonel James Irvine, a veteran of earlier campaigns including the failed invasion of Canada, was appointed to lead the regiment in late 1776, though he resigned in June 1777 as he transferred to command the 2nd Pennsylvania Regiment shortly after organisation in spring 1777.
The companies were designated under captains Bowen, Davis, Erwin, Gourley, Grant, Henderson, McClellan, and Nichols, and by August 1777, shortly after establishment, the regiment's payroll recorded 332 officers and enlisted men across its companies, indicating a modestly understrength unit compared to the theoretical 600-800 men per regiment, with variations by company (e.g., Erwin's at 61 total, Grant's at 20).
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The situation map of opposing forces in the spring of 1777 when the the 9th Pennsylvania Regiment was being raised in Philadelphia. Map from Philadelphia 1777, Taking the Capital - Osprey Campaign. |
Lieutenant Colonel George Nagel assumed effective command during this formative phase, supported by Major Matthew Smith, as the unit integrated into Brigadier General Thomas Conway's 3rd Pennsylvania Brigade within Lord Stirling's division for the 1777 campaign.
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9th Pennsylvania Continental Regiment. An illustration from the Blandford Press, Mollo & McGregor book 'Deserter descriptions for the regiment in Pennsylvania during the spring of 1777 mention new brown coats, turned up with red, and in one case a light infantry cap is mentioned.' |
Equipment issuance was rudimentary and inconsistent at formation, prioritising arms over uniforms amid supply shortages from British blockades and domestic production limits, that saw soldiers receiving smoothbore flintlock muskets (often Pennsylvania-made Committee of Safety models or imported French Charlevilles), bayonets, cartridge boxes holding 20-30 rounds, knapsacks, and haversacks for rations; sidearms such as hangers were issued to officers.
Uniforms typically comprised linen hunting shirts or frocks, woollen overalls, leather or felt caps, and leather accoutrements, with regimental coats (reportedly brown faced with red) with returns from 1777 indicating frequent deficiencies in blankets, tents, and ammunition, compelling reliance on state provisions or foraging.
Colonel Richard Butler, assumed command on June 7th, 1777, and would lead the unit through the Philadelphia Campaign at the battles of Brandywine (September 11th, 1777), Germantown (October 4th, 1777), and Monmouth (June 28th, 1778), during which the regiment experienced high attrition.
Lieutenant Colonel Matthew Smith served as second-in-command, particularly during the Valley Forge winter encampment (1777–1778), where he oversaw training and morale amid harsh conditions affecting the regiment's approximately 150 effectives; and he would be notable for representing enlisted grievances during the Pennsylvania Line Mutiny (January 1st, 1781), petitioning Congress for back pay and enlistment reforms while maintaining regimental cohesion under Butler.
Major Francis Nichols, promoted from captaincy in late 1776, was also a key officer in the unit, supporting field operations and later rising to lieutenant colonel.
The regiment mustered approximately 332 officers and men by August 1777, though effective combat strength was lower due to detachments, illness, and desertions, estimated at around 239 present for duty, and Conway's 3rd Pennsylvania Brigade, noted for its discipline under rigorous training, formed part of the American defensive line along Brandywine Creek in Chester County to protect the rebel capital.
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| Brigadier General Thomas Conway |
Division: Major General William Alexander (Lord Stirling)
3rd Pennsylvania Brigade: Brigadier General Thomas Conway (950)
3rd Pennsylvania Regiment (150 all ranks)
6th Pennsylvania Regiment (200 all ranks)
9th Pennsylvania Regiment (193 all ranks)
12th Pennsylvania Regiment (231 all ranks)
Spencer's Additional Regiment (186 all ranks)
I covered the movements and actions of Conway's brigade in my showcase post looking at the 9th's sister regiment in the brigade, 3rd Pennsylvania Continental Regiment, link below.
Suffice to say in their action they and the other regiments in 3rd Brigade took the brunt of Cornwallis's flank attack, and their discipline was tested on September 11th, 1777.
As documented by historian Patrick A. Hannum (link above):
Conway’s Brigade consisted of the 3rd, 6th, 9th and 12th Pennsylvania regiments. Conway, an Irish Catholic, had served in the French Army gaining combat experience against Frederick the Great prior to traveling to North America to serve with American forces in the Revolution. Conway was not well liked by his officers possibly because he trained and regularly drilled the brigade, turning it into one of the best disciplined units in the Continental Army.
Hannum describes the the fight above Birmingham:
The entire fight lasted about one hour and forty minutes with the close fight for Battle Hill lasting fifty-one minutes “almost Muzzle to Muzzle.” General Conway, a veteran of European wars and the 9th Pennsylvania’s brigade commander, indicated that he “never saw so close and severe a fire.”
The 9th suffered decimating losses, 40 casualties [8 KIA, 16 Wounded, 16 missing], and the fact that Conway's men remained combat effective even as they were eventually driven from the field is praiseworthy indeed.
Leading Hannum to state:
Conway and the 3rd Pennsylvania Brigade passed the test, and as a result of the unit’s performance at Brandywine, Washington selected the brigade as a lead unit in the American attack at Germantown on October 4, 1777.
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The Battle of Germantown, October 4th 1777. Map illustrating the position of the 3rd Pennsylvania Brigade under Conway on the extreme right of Sullivan's line. |
At Germantown the regiment contributed to initial successes, driving a British unit over a mile from its position in foggy conditions, demonstrating the brigade's honed discipline from prior actions. However, fog, friendly fire, and British reinforcements led to an American withdrawal after three hours of fighting.

Following Germantown, Howe's forces consolidated in Philadelphia, while Washington manoeuvred to harass British supply lines, but by December 19th, 1777, the regiment, reduced to 229 assigned men with 146 fit for duty, encamped at Valley Forge for the winter, enduring severe shortages amid the campaign's culmination.
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| Valley Forge - Keith Rocco |
The 9th Pennsylvania left Valley Forge with 212 assigned, 117 fit for duty, part of the Continental Army's Pennsylvania Line under Brigadier General Anthony Wayne, participating in the Battle of Monmouth on June 28th, 1778, contributing to the counterattack that helped repel British forces.
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The attack on Clinton's rearguard by the 3rd Pennsylvania Brigade. |
Following Monmouth, the 9th Regiment encamped with the main army at White Plains, New York, through late 1778, engaging in routine patrols and the defence of fortifications to counter British foraging expeditions in Westchester County. The regiment's role remained defensive, focused on denying British access to resources in the neutral ground between American and British lines, as documented in Wayne's correspondence noting the unit's readiness for rapid response to incursions.
By early 1779, the 9th Pennsylvania shifted to support operations around New York Harbour, and throughout these Mid-Atlantic engagements, the 9th maintained discipline despite supply shortages, contributing to the Continental Army's strategy of attrition against British forces entrenched in New York City.
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| Morristown, New Jersey 1780, illustration by Keith Rocco. |
The winter of 1779/1780 was one of the worst on record, and the American army in its winter quarters in Morristown suffered immensely. To make matters worse Washington was forced to detach and send south the Virginia and North Carolina Line in December 1779 and early January 1780, and in April the Maryland and Delaware Line, leaving him short of two of his best divisions in the campaigning year ahead.
When the spring 1780 campaigning season opened the 9th Pennsylvania Regiment found itself part of Major General Greene's Pennsylvania Division as part of the 2nd Brigade, composed of:
3rd Pennsylvania Regiment - 221/310 (fit for duty/assigned)
5th Pennsylvania Regiment - 199/274
6th Pennsylvania Regiment - 132/207
9th Pennsylvania Regiment - 120/179
While elements of the 9th Pennsylvania participated in the Battle of Green Springs on July 6th, 1781, where Wayne's aggressive probe against a superior British force at James City County, Virginia, resulted in heavy American casualties but successfully screened Lafayette's main army from pursuit, the regiment's independent existence effectively ended amid the Pennsylvania Line mutiny of January 1781, after which it was consolidated on January 17th with the 5th Pennsylvania Regiment; the merged unit was redesignated the 5th Pennsylvania and saw portions furloughed at Trenton, New Jersey, while others were retained for active duty.
The 5th Regiment was disbanded on January 1st, 1783, at Philadelphia, with veterans mustered out or transferred to provisional units.

My 9th Pennsylvania Continental Regiment are based on the Mollo/McGregor illustration seen above using the plastic Continental Infantry from Perry Miniatures and sporting a buff divisional Colour from GMB Flags, and another Gostelowe Colour from Flags of War, Gostelowe Standard No. 2, 'We Are Always Ready', these extras together with a set of low profile sabot bases from Supreme Littleness Designs.
As will be seen from the historical narrative, Conway's 3rd Pennsylvania Brigade, barely numbered a thousand men all ranks among its five regiments in time for the Philadelphia Campaign and with British regiments often numbering 300 men or more in brigades of four regiments, the wargamer, modelling Continental Regiments, faces an interesting compromise as to how to best represent these formations on the table.
In my case I consider the probability that Continental commanders very likely fielded combined regiments, much like their Crown opponents would do when numbers forced such a compromise to field formed units in line capable in strength to contest ground, something that skirmishers, the other employment for small groups of troops, are unable to do against formed opponents.
Thus my 3rd Pennsylvania Brigade will see this unit standing in for the combined strength of the 9th and 12th Pennsylvania Regiments as seen below, numbering some 424 men in the 20-figure unit modelled, with the next unit to feature from the brigade being Spencer's Additional Regiment, before work turns to Ogden's New Jersey men.
However before any of that, my work will turn back towards the British spearhead elite units with upcoming showcase posts for the British Second Combined Light Infantry Battalion, the Combined Guards Light Companies, and the First Combined Guards Battalion.
As always more anon.
JJ