Hi, I don't think this answers all your questions but might be a start, if they are the right people. All the information came from Ancestry census images and Brian Lawson's microsite Birth registrations, marriages and burials. Hope it is of interest.
1911 Isle of Man Census about William Callister
Name: William Callister
Age in 1911: 27
Estimated Birth Year: abt 1884
Relation to Head: Son
Birth Place: Michael, Isle of Man
Civil parish: Michael
Country: Isle of Man
Street Address: Home Leigh Michael
Marital Status: Single
Occupation: Engine Driver
Registration district: Isle of Man
Registration District Number: 635
Sub-registration district: Michael
ED, institution, or vessel: 15/2
Household schedule number: 38
Piece: 34728
Household Members: Name Age
Thomas Callister 54
Emily Jane Callister 56
William Callister27
PALMER, Albert married 9 Aug 1890 R Mau 65 CHRISTIAN, Elizabeth
PALMER, Florence Eliza birth regd 29 Nov 1891 Ram 284 d/o PALMER, Albert & CHRISTIAN, Elizabeth Esthe
PALMER, Florence married 26 Sep 1914 R Mau 283 BURNS, Stanley
PALMER, Annie Mary birth regd 6 Oct 1893 Ram 315 d/o PALMER, Albert Edward &CHRISTIAN, Elizabeth Esthe
PALMER, Annie May married 23 Oct 1915 R Mau 293 CALLISTER, William
PALMER, Elizabeth 36 Maughold buried 4 Jan 1907
PALMER, Albert married 8 Sep 1907 D dsb 155a MILNE, Anastasia
1911 census, 29 West Quay, Ramsey, seven rooms
Thomas Callow head 68 mar. Coal Merchant Retired born Andreas speaks Both Mx & Eng
Isabella Jane Callow wife 61 mar. 39 yrs 8 ch. 6 alive 2 dead born Andreas speaks Both
Annie May Palmer servt 17 single general servant, domestic, born Ramsey, speaks Eng.
1911 census 20 Parliament St, Ramsey, Maughold, nine rooms
Alfred Kelly head 46 mar. Draper, Ballaugh Eng
Anne Kelly w 44 mar. 12 yrs 1 ch, alive, Marown Eng
Norman Kelly s 10, Ramsey Eng
Florence Palmer servt 19 single gen servant, domestic, Ramsey Eng
1911 census 8 Strand St, Ramsey, 3 rooms
Albert Edward Palmer h 38 mar. Sealer (Harbour Board) Queens Landing pier, born at sea Eng
Anastasia Palmer w 26 mar. 4yrs 2 ch alive born Glasgow Eng
Albert Edward Palmer son 2, Ramsey
Ramsey George son 1 month, Ramsey
PALMER, Albert Edward 77 Maughold buried 15 Jul 1948