FamilySearch has,

name: William Henry Cornish
event: Marriage
event date: 18 Jan 1915
event place: Braddan, Isle of Man
gender: Male
marital status: Single
father: John Cornish
spouse: Ada Corkill
spouse's marital status: Single
spouse's father: Robert Corkill
digital folder number: 004501764

a parent search didn't find any children.

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