| Lucas | G | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Royal Rifle Corps |
| Lucas | G A | | Captain | Frontier Wars. SAGS (0) | Colonial Commanders & Levy Leaders |
| Lucas | G F | | | 1st Volunteer Company
Source: QSA and KSA medal rolls | Leicestershire Regiment |
| Lucas | G H | | | Source: QSA and KSA medal rolls | 82nd Battery, RFA |
| Lucas | G H | | | Source: QSA and KSA medal rolls | 28th Battery, RFA |
| Lucas | G J | | | Source: WO100/231 | City Imperial Volunteers |
| Lucas | G S | 936 | Private | Source: Nominal roll in WO127 | Durban Light Infantry |
| Lucas | G S A | 5219 | Sapper | Discharged 7 Nov 1902. Clasps CC. OFS; SA01 and SA02 returned Nov 1913.
QSA (5) CC OFS Tr SA01 SA02
TNA ref 157/91; 157/103 | Royal Engineers, Field Company, 37th |
| Lucas | Geo Daniel | | | Source: WO100/263 | Bushveldt Carabineers |
| Lucas | George | | | Source: QSA and KSA medal rolls | 4th Battery, RFA |
| Lucas | George Daniel | 149 | Trooper | Source: Nominal roll in WO127 | Bushveldt Carabineers |
| Lucas | George Wilfred | 29 | Trooper | 1st Battalion
Source: QSA Medal Rolls | Scottish Horse |
| Lucas | George Wilfred | 29 | Trooper | Served 05 Jan 01 to 27 Jul 01. Discharged Completion of Service JB
Source: Nominal roll in WO127 | Scottish Horse |
| Lucas | Gordon | 116 | Private | Source: OZ-Boer database | Victoria, 1st Victorian Contingent |
| Lucas | Gordon | 1336 | Lance Corporal | Source: OZ-Boer database | Victoria, 5th Mounted Rifles Contingent |
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