None of the ones you seek are in the Douglas Borough Cremations books

Douglas Borough MI
NK 151
In loving memory of Bernard Henry Smith who died 14th March 1945 aged 45 years
Also his mother emma florence born 16th June 1876 died 4th June 1978 widow of Charles Smith Cefn Coch, Ruthin, N. Wales

NK 10
In affectionate remembrance of Emma Quane Hackney who died January 6th 1934 in her 82nd year
Also Amy Louise widow of Herbert John Sharples and daughter of the above who died August 10th 1971
Also Elsie Mona Simpson nee Hackney widow of Walter S Simpson who died May 16th 1972