Hi Sue
Thomas Maloy appears to be quite a popular Irish name.
There is, however, a Thomas Maloy b. c 1811 Sheerness, Kent.
1861 Census, Sculcoates, Hull, Yorks. RG9/3584/36/27
Thomas Maloy aged 50, Head, Cane worker. B. Sheerness, Kent
Elizabeth Hotham 32, Housekeeper. B. Westella, Nr. Hull.
John McIlroy 15, cane worker's apprentice. B. Hull
William Kelly 14, cane worker's apprentice. B. Hull
If you have more info it may help.
Geoff