3rd Pennsylvania Heavy Artillery, Company I

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Muster In: Two more Companies organized at Philadelphia as Companies “I” and “M.” Regiment organized February 17, 1863.¹
Muster Out: Mustered out November 9, 1865.²

Commander(s):
Captain Osbourn Wattson
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Fifth Offensive Order of Battle: Escort | Army of the James | Union Army³

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Ninth Offensive Order of Battle: Headquarters Guard | Army of the James | Union Army⁴,⁵

• Commander: Captain Osbourn Wattson (March 31, 1865)⁶
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Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles⁷:

• Company “I” served at Headquarters Army of the James in Appomattox Campaign and was present at Appomattox C. H. April 9, 1865; surrender of Lee and his army.

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Siege of Petersburg Documents Which Mention This Unit:

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