| Cassidy | Dennis Patrick | | | 1st Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Cassidy | Dennis Patrick | 21 | Trooper | Source: Nominal roll in WO127 | Protectorate Regiment |
| Cassidy | Dennis Patrick | 21 | Trooper | QSA (3) OFS DoM Tr. QSA (3). Gibbons October 1977 £535
Source: Mafeking Siege Account and Medal Roll | Protectorate Regiment |
| Cassidy | E | 65B/2155 | Private | Frontier Wars. SAGS (1) 1879 | Connaught Rangers |
| Cassidy | E | | | 1st Battalion
Source: QSA and KSA medal rolls | (King's) Liverpool Regiment |
| Cassidy | E | | | 2nd Battalion
Source: QSA and KSA medal rolls | (King's Own) Royal Lancaster Regiment |
| Cassidy | E | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Own Scottish Borderers |
| Cassidy | E | 6666 | Private | 1st Battalion
Demise: Died of disease 26 Dec 1900
Place: Aliwal North
Source: In Memoriam by S Watt | King's Own Scottish Borderers |
| Cassidy | E | 6666 | Private | Died of disease. Aliwal North, 26 December 1900
1st Battalion.
Source: South African Field Force Casualty Roll | King's Own Scottish Borderers |
| Cassidy | Edward | 42683 | Trooper | No known Company. Served in 36th Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| Cassidy | Edward | 450 | Private | Source: OZ-Boer database | West Australia, 6th Mounted Infantry Contingent |
| Cassidy | F | 65B/412 | Private | Frontier Wars. SAGS (1) 1879 | Connaught Rangers |
| Cassidy | F | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Dublin Fusiliers |
| Cassidy | F | 6770 | Private | 2nd Battalion
Demise: Died of disease - enteric fever 22 Mar 1901
Place: Bloemfontein
Source: In Memoriam by S Watt | Royal Dublin Fusiliers |
| Cassidy | F | | Corporal | Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Royston's Horse |
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