Deaths in Mount Barker prior to 1900
| Surname | Other names | Date | Age | Relative |
| Webber | Thomas | 15/4/1895 | 70 | none listed |
| Webber | Wilfred Edgar | 1/1/1892 | 5 mths | son of Thomas |
| Wedd | Allan | 30/3/1860 | 3 yrs 6 mths | none listed |
| Wedd | Thirza | 31/1/1866 | 63 | wife of William |
| Werner | Maria | 21/2/1857 | 97 days | Wilhelmina |
| Werrett | Robert Osborne | 4/7/1858 | 1 yr 10 mths | John |
| Werrett | Sarah Ann | 20/5/1856 | 15 mths | John |
| Westley | Caroline Elizabeth | 24/5/1886 | 34 | wife of Joseph |
| Wetherall | Grace | 21/1/1871 | 20 | daughter of William |
| Wetherall | William | 24/2/1871 | 58 | none listed |
| Whitrod | George | 7/1/1875 | 3 days | son of Raamiah |
| Wiedemann | Susan | 3/3/1880 | 42 | wife of Wilhelm |
| Williams | Bertha Elizabeth | 2/5/1877 | 1 mth | daughter of James T |
| Williams | Harriet Trego | 13/4/1877 | 13 days | daughter of James T |
| Willams | Isabella Herbert | 17/1/1890 | 12 | daughter of John |
| Williams | Jane | 12/9/1893 | 73 | widow of William B |
| Williams | Kenneth Trego | 16/9/1878 | 6 mths | son of James T |
| Williams | Margaret Gladstone | 13/3/1864 | 3 | none listed |
| Williams | Sarah | 7/7/1895 | 73 | widow of John |
| Wills | Hannah | 8/12/1880 | 80 | none listed |
| Wilson | Edith Emily | 5/12/1870 | 8 mths | daughter of Robin |
| Wilson | Samuel | 4/12/1887 | 28 | none listed |
| Winzer | Benjamin Herbert | 26/12/1882 | 2 yrs 6 mths | son of George |
| Withers | Agnes | 23/8/1898 | 54 | widow of John |
| Woodland | Elsie Florence | 23/1/1893 | 3 | daughter of John |
| Woods | John | 6/6/1894 | 80 | none listed |
| Woolmer | William Morrell | 26/7/1880 | 16 mths | son of William P |
| Wyatt | Charles William Watson | 16/2/1898 | 4 days | son of Charles L.A. |
| Wyatt | Elizabeth Barbara Robson | 14/2/1898 | 27 | wife of Charles L.A. |
| Wyndham | Ethelbert | 6/1/1875 | 5 mths | son of George C |