Sue, while looking on a FindMyPast image for other Radcliffes I came across this in 1861 ...
Esther Callin (?copy is faint) |Head |W| |70|Retired Miner's Wife|IOM Malew |
John Radcliffe |Grandson| |11| |Scholar |do German|
Reference/Folio/Page: RG9/4420/4.
Schedule No: 15
Address: Scravarley, German, IOM
It's the only listing I've come across for an apprx 11yo John Radcliffe who is not a "son" in the 1861 Census. However, grandmother's name is not one I recognise and this John's birth location is not what we know for our John [Thomas (Johnny Pat)] Radcliffe ...
Kind Regards - Bernard Diaz