and just because I happened to find it (I hope it is correct)
the Fenian Force in Canada
FENIANS (Irish Republican Army - IRA) [ "Lynch's Brigade", "O'Neill's Brigade" or "Irish Army at Buffalo"] Brigadier General O'Neill, commanding officer (vice Brig. Gen. Lynch, absent); Colonel George Owen Starr, second-in-command; Major John C. Canty (Fort Erie, C.W.), chief of staff/intelligence; Lieutenant Rudolph Fitzpatrick, aid-de-camp.
* 7th Buffalo “Irish Army of Liberation” (Col. John Hoy [Hoye]) [a conservatively low estimate of 150 men, considering Buffalo’s proximity to the scene of action]
* 13th Tennessee Regiment of Nashville (commanded by Captain Lawrence Shields, in place of O'Neill acting brigade commander)reinforced by 200 men from Memphis (Captain Michael Conlon) (total 315 men)
* 17th Kentucky Regiment of Louisville (Col. Owen Starr) [144 men] plus *2 companies attached from Terre Haute, Indiana, (Captain Hugh [James] Haggerty and Color Sergeant Michael Cochrane)
* 18th Ohio Regiment of Cleveland "Cleveland Rangers" (Capt. Buckley) [50-100 men estimated]
* 19th Ohio Regiment of Cincinnati “Irish Republic Volunteers” (Lt. Col. John Grace) [220 men]
* New Orleans company 'Louisiana Tigers', (Capt. J. W. Dempsey)[100 men]
* A small unidentified troop of mounted scouts believed to be from Buffalo of unknown strength riding horses seized on the Canadian side, [estimated at 25-50 men]
Total strength upon landing at Fort Erie June 1, 1866, apx. 1,000-1,350; total strength at Battle of Ridgeway June 2, 1866, apx. 700-800 men.