W W Gill in 3rd Manx Scrapbook looking at Manx Names in England has:
Kneckell, Wm., 1582. Nicchol, Nichol and Niccol appear in H.T.[Chester Hearth Tax records] , possibly Kneckell's descendants. — Characteristically Mx. MacNakell, 1418, Nychol and MacNichol, 1510, from which Knickell survived into recent times.