Where does “Wilcockson” come from?

Wilcockson (English) comes from English Wilcock, from English Will, from English william, from Middle English William, from Anglo-Norman Willame, from Old High German Willahelm, from Old High German helm, from Proto-West Germanic helm — to pierce, strike; to stick; prick; stab.

Ancestry of “Wilcockson”, step by step

Wilcockson traces back through two separate lines of ancestry.

via English Wilcock

StepLanguageWordMeaning
1EnglishWilcock
2EnglishWillA weak-side linebacker
3Englishwilliamradiotelephony clear-code word for the letter W
4Middle EnglishWilliam
5Anglo-NormanWillame
6Old High GermanWillahelmWilliam
7Old High Germanhelmhelmet
8Proto-West Germanichelmhelmet
9Proto-Germanichelmazhelmet
10Proto-Germanichalmazhalm; stem; stalk; straw; hay
11Proto-Indo-Europeanḱolh₂mosstalk
12Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via English Sơn

StepLanguageWordMeaning
1EnglishSơn
2Middle Englishsoneson; soon; Alternative form of sonne
3Old Englishsōnaimmediately, at once
4Proto-West Germanicsān(ō)immediately
5Proto-Germanicsēna
6Proto-Germanic*sa
7Proto-Austronesian*əsa
8Proto-Oceanic*isa
Every word from Proto-Indo-European ḱelh₂-