HMS ''Ockham'' was one of 93 ships of the of inshore

minesweepers A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...

. Their names were all chosen from villages ending in ''-ham''. The minesweeper was named after Ockham in

Surrey Surrey () is a ceremonial and non-metropolitan county in South East England, bordering Greater London to the south west. Surrey has a large rural area, and several significant urban areas which form part of the Greater London Built-up Area. ...

References

*Blackman, R.V.B. ed. ''Jane's Fighting Ships'' (1953) Ham-class minesweepers Royal Navy ship names 1959 ships {{UK-minesweeper-stub