| Name: | MAYO |
| Type: | Cargo Ship |
| Launched: | 23/09/1896 |
| Completed: | 11/1896 |
| Builder: | CS Swan & Hunter Ltd |
| Yard: | Wallsend |
| Yard Number: | 215 |
| Dimensions: | 1778grt, 1111nrt, 281.0 x 38.0 x 19ft |
| Engines: | T3cyl (21, 35 & 57 x 39ins), 203nhp |
| Engines by: | Wm Doxford & Sons Ltd, Pallion, Sunderland |
| Propulsion: | 1 x Screw |
| Construction: | Steel |
| Reg Number: | n/a |
| History: | |
| 11/1896 | Cia Bilbaina de Nav (Aznar y Cia), Bilbao |
| 1903 | Managers became Aznar y Tutor |
| 1908 | Managers became N de Mendialdua |
| 1910 | Manager became Juan Urizar |
| 08/09/1916 | Sank |
| Comments: | Built as a turret hull steamer |
| 08/09/1916: Torpedoed & sunk by U-Boat UB23 off Ouessant at 48.53N-05.28W | |
| On a voyage from Newport, Monmouthshire, to Bordeaux with a cargo of coal |