Spelling variations and mistransciptions are always a feature at this time

Just had another look for the family's 1841 census. I think they have been transcribed as MCCLANE. FreeCen have them this way, and they are a hardy experienced bunch of volunteers by area. Guessing the original image on SP looks that way too.
Peter McClane, 55 Collier b. Ireland
Margaret McClane, 30 b. Ireland
Michael McClane, 15 Cotton Hand Loom Weaver b. Ayrshire
John MCCLANE 10 Shoemaker b. Ayrshire
Agnes MCCLANE 5 b. Ayrshire
Margret MCCLANE 2 months b. Ayrshire
Address: George Street, Wallacetown, St Quivox Ayrshire.
Monica