Do you have access to Census Paul?
If not let me know and will type up..
1851 Census Helen Le Gros BISSON c 1849 is with Parents;
John Le Gros Bisson c 1798, born St Mary, Jersey and Betsey c 1805 St Owen
1861 Census Nicholas seems to be with Parents Nicolas c 1820 and Sophia (Gallihan) c 1820 Trinity. He is a Unm 17yr old Mason. Father Nicolas is a Shoemaker.
1841 Census (under Lecocq)
Trinity, Jersey,
Channel Islands
HO107/1462/8/Trinity
Nicolas Le Cocq, 65, Shoe Maker
Jane, 65
NICOLAS, 20
Philip, 9
Next door is;
John GALLIHAN, 68, Farmer
Jane, 62
SOPHIA, 20
1851 we have;
Nicholas LECOCQ Jnr, 32, Shoemaker Journeyman
Sophia, 32
NICHOLAS, 8
John, 6
Sophia, 4
Philip, 2
Thomas, 1
So looks like 3 generations of a Nicholas at least.