hi astonian
No Ilsley gun makers 1833 or before, but in 1829-30 there was :
llsley Joseph, brass fire furniture and bracket maker, 100, Lancaster-st.
1839 Ilsley William, gun barrel finisher, 52, Matchett street
No gunmaker Ilsleys in 1845
1849 Ilsley Thomas, gun finisher, 83, Cliveland st
1855 Ilsley Thos., gun finisher, 42½ Staniforth at; Aston
1855 Ilsley Joseph, gun finisher, 17 Court, Price street
1858 Ilsley Angerian gunmaker, 245, Farm st
1855-58 Ilsley Wm., gunmaker, 244, Farm st
1858 Ilseley Wm., gun stocker, ct 9, Lancaster at;h, 14, York st
1862 Ilseley John gunmaker 331 New John St West
1867 Ilseley Thomas, gun barrel filer , 2 court. Legge St, Aston road
No Ilseleys mentioned in gun trade 1868 or 1872
1873 Ilsley Anierian, gun maker, and pigeon dealer, 124 Hospital St
1873 Ilsley George, gun maker’s manager, Guildford street
1876 Ilsley George, gun finisher, 56 (back of) New Summer st
No mention of George 1878-9
1880-90 Ilsely George gunmaker court 1 Ward St
1876-80 Ilsley James, gun barrel filer, 7 New buildings, Price street
No Ilsley gunmakers seem to be listed 1892 or after. In 1883 no 7 New buildings, where James had been was run (with no 11 new buildings) by William Bayliss. Gun barrel filer
Hope this is helpful
Mike