William was born in 1900. He is the son of Carrique Clutterbuck and Annie Grundy.
Open-source information obtained from Genealogy.com, titled "Irish Clutterbucks" - https://www.genealogy.com/forum/surnames/topics/clutterbuck/232/
"England and Wales Census, 1911," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XWBZ-CVM : 3 May 2019), W Carick Clutterbuck in household of Carigne W Clutterbuck, Eccles, Lancashire, England, United Kingdom; from "1911 England and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 14, The National Archives of the UK, Kew, Surrey.
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C > Clutterbuck > William Carrick Clutterbuck