 In June 1841, Blacket was at the family home on Brixton Hill, when his father entered him on the census returns as "Draper".During the same year, he worked for the Archbishop of Canterbury in London as Inspector of Schools, and at that time learnt the craft of making stained glass He spent the year "in misery", being in love with Sarah Mease, the daughter of his father's former business partner.Their marriage was opposed by the families, and having been in love probably from 1837 or earlier, they were finally wed on 27 April 1842 in the medieval parish church of Wakefield, (which later became Wakefield Cathedral) with neither set of parents present.