I looked at Lonan Baptisms from 1866 to 1870 and found:

Anne, dau of William Crowe and Eliza Cannon
baptised: 18 March 1866 No.840
Abode: Beach Occupation of Father: Miner

Eliza, dau of William Crowe and Eliza Cannon
baptised: 2 Feby 1868 No. 1675
Abode: Laxey Occupation: Miner

William, son of William Crowe and Eliza Cannon
baptised: 11th Dec 1870 No. 1433

I then skipped forward to 1877 through to 1882 and found only child:

ELEANOR dau of William Crowe and Eliza Cannon
baptised: 6th March 1878 No. 493
of Gretch-Veg [Laxey, north side of the valley] Occ: Miner