Hello Nicola,
Glad to help if I can, but I need some more information.
Date of birth, even an estimate, place of birth, where do you expect them to be - i.e. in Berkshire? and any other information you have.
I have checked the 1891 census for Walter Giles (was Giler a typo?) in Berkshire and here are the results
I found four families -
Name Age in 1891 Birthplace Relationship to head-of-house Civil parish County
Giles, Alfred H 7 Reading, Berkshire Son St Giles Berkshire
Giles, Mary A 42 Barkham, Berkshire Wife St Giles Berkshire
Giles, Thomas W 42 Northington, Hampshire Head St Giles Berkshire
Giles, Walter F 14 Reading, Berkshire Son St Giles Berkshire
Giles, Winifred E 12 Reading, Berkshire Daughter St Giles Berkshire
Giles, Edith M 11 East hanney, Berkshire Daughter East Hanney Berkshire
Giles, Florence L 2 Haydon wick, Wiltshire Daughter East Hanney Berkshire
Giles, Henry 42 East hanney, Berkshire Head East Hanney Berkshire
Giles, Henry F 8 East hanney, Berkshire Son East Hanney Berkshire
Giles, Martha 40 Kingstone bagpuze, Berkshire Wife East Hanney Berkshire
Giles, Walter 5 East hanney, Berkshire Son East Hanney Berkshire
Giles, Alice 9 Newbury, Berkshire Daughter Greenham Berkshire
Giles, George 12 Newbury, Berkshire Son Greenham Berkshire
Giles, Harry 6 Newbury, Berkshire Son Greenham Berkshire
Giles, Richard J 18 Newbury, Berkshire Son Greenham Berkshire
Giles, Sarah A 43 Newbury, Berkshire Wife Greenham Berkshire
Giles, Walter 19 Newbury, Berkshire Son Greenham Berkshire
Giles, William 45 Newbury, Berkshire Head
Giles, Alice 3 Windsor, Berkshire Daughter New Windsor Berkshire
Giles, Emily 35 Windsor, Berkshire Wife New Windsor Berkshire
Giles, Walter 12 Slough, Buckinghamshire Son New Windsor Berkshire
Giles, William 37 Eton wick, Buckinghamshire Head New Windsor Berkshire
Giles, William 10 Windsor, Berkshire Son New Windsor Berkshire
Newbie