| Title | Category | Subcategory | Records |
|---|---|---|---|
| Louisiana Draft Cards | Armed Forces & Conflict | Regimental & Service Records | 637,708 |
| British Royal Navy Allotment Declarations 1795-1852 | Armed Forces & Conflict | Regimental & Service Records | 485,017 |
| British India Office Army & Navy Pensions | Armed Forces & Conflict | Regimental & Service Records | 406,140 |
| British Royal Navy Seamen 1899-1924 | Armed Forces & Conflict | Regimental & Service Records | 394,432 |
| British Royal Air Force, Airmen's Service Records 1912-1939 | Armed Forces & Conflict | Regimental & Service Records | 342,827 |
| Australian Imperial Force Nominal Roll 1914-1918 | Armed Forces & Conflict | Regimental & Service Records | 322,354 |
| Australian Imperial Force Embarkation Roll 1914-1918 | Armed Forces & Conflict | Regimental & Service Records | 319,422 |
| British Royal Navy, Ships' Musters | Armed Forces & Conflict | Regimental & Service Records | 280,357 |
| United States Naval Enlistment Rendezvous 1855-1891 | Armed Forces & Conflict | Regimental & Service Records | 261,887 |
| British Army, Worldwide Index 1861 | Armed Forces & Conflict | Regimental & Service Records | 244,164 |
| British Army, Worldwide Index 1871 | Armed Forces & Conflict | Regimental & Service Records | 207,821 |
| British Army, Worldwide Index 1851 | Armed Forces & Conflict | Regimental & Service Records | 156,596 |
| British Army, Worldwide Index 1841 | Armed Forces & Conflict | Regimental & Service Records | 139,937 |
| Royal Marines 1899-1919 | Armed Forces & Conflict | Regimental & Service Records | 136,680 |
| Napoleonic War Records 1775 - 1817 | Armed Forces & Conflict | Other Wars & Conflicts, Regimental & Service Records | 133,009 |
| British Royal Air Force, Officers' Service Records 1912-1920 | Armed Forces & Conflict | Regimental & Service Records | 101,266 |
| British Army, Northumberland Fusiliers 1881-1920 | Armed Forces & Conflict | Regimental & Service Records | 98,418 |
| British Army, Royal Welch Fusiliers 1807-1948 | Armed Forces & Conflict | Regimental & Service Records | 96,117 |
| United States, Revolutionary War, Pensions | Armed Forces & Conflict | Regimental & Service Records | 90,423 |
| Royal Tank Corps Enlistment Records, 1919-1934 | Armed Forces & Conflict | Regimental & Service Records | 88,096 |