These are the censuses for "Aunt Nancy's" Clucases. Isn't it possible that Ed B. Clucas is Aunt Nancy's cousin -- that Wm Henry Clucas' older brother George could be Edward B's father?

1871 Census Isle of Man Malew District 6 Page 2 Seen on Ancestry.com Feb 28, 2008
Household Number 4
No. 3 Billown
William Clucas Head Mar 50 Farmer of 67 Acres employing 2 boys Isle of Man, Arbory
Ann " Wife Mar 42 Farmer's wife Isle of Man, Lonan
Elizabeth " dau. Unm 19 Farmer's Daug. Isle of Man Peel
Ann Clucas dau. Unm 14 Farmer's Dau. Isle of Man Patrick
George Clucas son Unm 17 Farmer's son Isle of Man Patrick
William Clucas Son 4 Farmer's Son Isle of Man, Malew

1881
Household: seen on FamilySearch.org Feb. 28, 2008.

William CLUCAS Head M Male 61 Malew, Isle of Man, England Farmer Empl'ng 1 Man
Ann CLUCAS Wife M Female 54 Malew, Isle of Man, England
George CLUCAS Son U Male 27 Malew, Isle of Man, England Farmers Son Ag Laborer
Ann CLUCAS Daur U Female 25 Malew, Isle of Man, England Farmers Daur
William H. CLUCAS Son Male 14 Malew, Isle of Man, England Scholar
Arthur CRAWLEY Servant U Male 15 Scotland Ag Laborer
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Source Information:
Dwelling Billown By Farm
Census Place Malew, Isle of Man, Isle of Man
Family History Library Film 1342347
Public Records Office Reference RG11
Piece / Folio 5608 / 26
Page Number 6

1891 Ancestry.com Feb 28, 2008
Santon District 2 Page 8. Next page is Cesar Moore and parents
Oatlands
William Clucas Head 70 Farmer employer Isle of Man
Annie Clucas wife M 60 Isle of Man
William H. Clucas son S 23 Farmer's son Employed
William Bruce Lodger Wdr 87 Retired Farmer Isle of Man
Bessie Clucas g. dau. 2 Isle of Man, Douglas
William Kissack Servant Widr 36 Farm Servant Employed Isle of Man
Edward Clark Serv S 17 Farm Servant Employed Isle of Man
Edward Mylchreest Servant S 14 Farm Servant Employed Isle of Man
James Campbell Servant S 13 Farm Servant Employed Isle of man Malew
Jane Gell Servant S 19 General Farm Servant Isle of Man.