| Name and Surname | Age - Years & Months | Marriage or Orphanhood | Birthplace | Nationality | Rank or Rating | Service and Branch or Arm of Service | Number & Ages of Living Children under 16 | Language Spoken |
| Mayersbeth Percy Arnold | 24 - 2 | Single | London Lambeth | Stoker 1class | R.N. |
NB - Rest of crew not transcribed.
| Name of Ship | Thunderer |
| Vessel Description | Orion Class Battleship |
| Location | Portland Harbour, Portland, Dorset |
| Registration District | Weymouth |
| Registration Sub-district | Portland |
| Enumeration District | Portland UD |
| Schedule Type | Nm |
| Page | 16 |
Source: Ancestry - 1921 Census