A sample selection is displayed below. A full list of Census Returns that I have found for the family is included in the down-loadable pdf file at the bottom.
1841 - William Trimmer and Family
1851 - William Trimmer and Family, Part 1
1871 - Henry James Trimmer and Family
1891 - Henry James Trimmer and Family
1841 - Charlotte Trimmer
1851 - William Trimmer and Family, Part 2
1881 - Henry James Trimmer and Family
1901 - Henry James Trimmer and Family
1841 - Martha Trimmer as a Servant
1861 - William and Elizabeth Trimmer
1891 - Louisa Florence Trimmer
1911 - Charlotte Trimmer, Louisa Trimmer and Emily Anne Trimmer