1861 Census - Stockport Cheshire, Higher Hillgate, William Sumers, age 5 months, born Stockport, mother Mary age 39 RG9/2566
1871 Census - Stockport Cheshire, Higher Hillgate, William Summer, age 10, born Stockport, mother Mary age 47 RG10/3661
William is not with mother in 1881 Census mother still in Higher Hillgate Stockport.