Hi Verity
1901 IOM Census all have surname Christian
Living 3 Loch Villas Lezayre
All born Ramsey

JOHN 45 Plasterer
JANE 38
JOHN 20
JANE 18
ANNIE 16
MYRA 13
FRED 10
LENA 3

I think Jane's Maiden name would have been Christian not Criggal
Hope this helps Lesley