Liz, the only marriage I could find was to Eleanor Jane Kneale, not Hargreaves. If this is correct, her husband appears to have been a mariner, away in Barrow in Furness Lancs for the 1911 census:
Person: SAYLE, Henry Aged 29, married, b.Douglas.
Vessel: Empress Queen
Port/place: Lying Up Under Repair Ramsden Dock Barrow-In-Furness.

1911
Name Relation Condition/Yrs married Se x Age Birth Year Occupation Where Born
SAYLE, Eleanor J Wife Married 2 years F 25 1886 Isle of Man Douglas
SAYLE, Robert Henry Son M 1 1910 Isle of Man Douglas
SAYLE, John William Son M 0 (1 MONTH) 1911 Isle of Man Douglas
KNEALE, Catherine Sister Single F 18 1893 General Servant Domestic Isle of Man Douglas

RG number:RG14 Piece:34661
Registration District: Isle of Man Enumeration District:18/8 Parish:Conchan
Address:3 Hanover Place :Isle of Man

Sue