These were Seán Treacy, Dan Breen, Séamus Robinson and Seán Hogan.
On 23 April 1921 District Inspector Potter was captured by the 3rd (South) Tipperary Brigade, IRA, following the Hyland's Cross Ambush.
3rd Rock from the Sun | County Tipperary | Tipperary | brigade | South Carolina's 3rd congressional district | Robert Gascoyne-Cecil, 3rd Marquess of Salisbury | Michigan's 3rd congressional district | Thomas Fairfax, 3rd Lord Fairfax of Cameron | Charge of the Light Brigade | 3rd United States Congress | Fernando Álvarez de Toledo, 3rd Duke of Alba | Brigade | 3rd arrondissement of Marseille | Upright Citizens Brigade Theatre | Boys' Brigade | Henry John Temple, 3rd Viscount Palmerston | Alpine Brigade Taurinense | Upright Citizens Brigade | Thomas Radclyffe, 3rd Earl of Sussex | Rifle Brigade (Prince Consort's Own) | Richard of York, 3rd Duke of York | Persian Cossack Brigade | John Stuart, 3rd Earl of Bute | Alabama's 3rd congressional district | 3rd Battalion | William Cavendish-Bentinck, 3rd Duke of Portland | Special Service Brigade | Sir Frederick Pollock, 3rd Baronet | Provisional IRA Belfast Brigade | It's a Long Way to Tipperary |