Not getting anywhere quickly with the Beaumont name but I think I know where Archibald had his middle name Lee from ...
Remember Louisa's maiden name was Blockley
1861
RG9/2287 38 7
Leicester St Margaret
Wharf St
John Blockley, head, 37, Tailor, b. Claybrook Leicestershire
Sophia, wife, 38, Milliner & Dress Maker, b. Hinckley Leicestershire
Emma J, dau, 14, scholar, b. Leicester
Priscilla, dau, 11, scholar, b. Claybrook Leicestershire
Louisa, dau, 7, scholar, b. Leicester
Mary A Bradshaw, visitor, unm, 19, Shoe Binder, b. Leicester
Marriage Jun 1844 Leicester 15 118
John Blockley to possibly Sophia Lee