In the Burial Index for St Tudno's Church there were many of the Lester Family listed and although I have made a note of the grave numbers I'll just list the names for you:-
Bertha, Dorothy Sara Ann, Elizabeth, Ethel Maude, Hugh, Jack, James, Jane, John Owen, Margaret, Richard, Robert, Roger, Roger Hugh, William and William Herbert.
As your interest was in Hugh Lester I have listed the inscription shown on the headstone at grave No G220:-
In loving memory of Hugh Lester who died January 22nd 1900 aged 64 years, Also Jane the beloved wife of the above who departed this life September 1st 1902 aged 61 years. Also John Owen (Jack) the youngest and beloved son of the above who died September 25th 1902 aged 27 years. Also Roger Hugh the beloved son of the above who died September 30th 1917 aged 46 years. Also Ethel Maude wife of the above Roger Lester died September 12th 1942.
The photo is of the house in Cwlach Street called Bodnant
Due to lack of time I did not look at No's 1 & 2 on your posting