Fourth Brigade
| Note: This brigade was designated the Second Brigade, Second Division, II Corps on June 26, 1864, when the previous Second Brigade (the Philadelphia Brigade) was broken up and reassigned.1 | |
| Parent Unit: Second Division | II Corps | Army of the Potomac | Union Army2 | |
| Commander: | |
| Colonel James P. McIvor (June 19-20, 1864 & June 23 forward)3 |  4 |
| Colonel William Blaisdell (June 20-23, 1864)(killed)5 |  6 |
| Strength: | |
| Units:7
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| Bibliography: | |
| Siege of Petersburg Documents Which Mention This Unit: | |
| Sources: | |
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 221 ↩
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pages 219-220 ↩
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 221 ↩
- Gen. James P. McIvor and staff of five, Photo B-227; Mathew Brady Photographs of Civil War-Era Personalities and Scenes, compiled 1921 – 1940, documenting the period 1860 – 1865. (National Archives Microfilm Publication T252); Records of the Office of the Chief Signal Officer, 1860 – 1985, Record Group 111; National Archives Building, Washington, D.C.: This is a zoomed in view of McIvor’s face from the larger photo. ↩
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 221 ↩
- Bowen, James L. Massachusetts in the War, 1861-1865. (Clark W. Bryan & Co.: 1889). p. 888. ↩
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 221 ↩