Murdock
[ˈmɜːr.dɒk]Meaning
Scottish surname, from Scottish Gaelic Muireadhach, Murchadh or Muircheartach, all built on muir, "sea".
Background Story
Murdock is a Scottish surname, an Anglicized form of the Scottish Gaelic names Muireadhach ("mariner"), Murchadh ("sea-warrior") and Muircheartach ("sea-ruler"), each of which has muir, "sea", as its first element. It is a relatively modern iteration of the Irish or Scottish name Murdoch.

Related Names
Murphey
A variation of Murphy, which means 'sea warrior' or 'sea battler'.
Agnar
A name of Scandinavian origin meaning 'eagle warrior'.
Chayton
No documented meaning in the sources checked
Clooney
A surname of Irish origin meaning 'descendant of the warrior'.
Conlan
Suitable for a warrior
Dancan
Dempsey
Derived from the Irish surname meaning 'proud' or 'arrogant'.
Donovan
From an Irish surname, an anglicised form of Ó Donndubháin, 'descendant of the brown-black one'
Douglas
From a Scottish surname, from Gaelic dubh "dark" and glais "water, river"