What is a "Lancastrian type" school? - Google eg "The Lancasterian Monitorial System of Education" or my site under education where there is an entry www.manxnotebook.com/history/educ/do_as.htm

Do you think a tailor on Strand street, might have hooked up with a furniture maker, such as Harry Stephenson?
- in which awy 'hooked up' - there wasn't a caste system on the IoM

Also, sounds like a lot of Saints for school names. Does that indicate Catholicism?
again suggest you read a little about the CofE and religion on IoM

What is a "bur"? ... "in period 1851 to 1861 for Eleanor Gell/Gale... Might that be DOB?
burial - there is an index to burials www.iomfjs.im - I couldn't find her name in that list