I have found the following.
First the surname I have found is spelled Kearsey.
Charles Kearsey married Mary Elizabeth Tookey in Dec 1874.
in the 1881 census
2 Mill house, Cliffe, North Aylesford, Kent, England
Charles Kearsey born Thundersley 1853 cement laborer
Mary Elizabeth Kearsey born Thundersley 1854
Charles Toskey Kearsey born Thundersley 1876
Joesph Benjamin Kearsey born Cliffe, Kent 1879
Also lodging there is what I presume is Charles Brother
Walter Robert Kearsy born Thundersley 1862 chalk laborer
in the 1891 census
29 Turner Road, Cliffe, North Ayleford, Kent, England
Charles b1853 cement Laborer
Mary E b 1854
Albert H b 1883
Arthur W b 1886
Esther b 1879
Mary A b 1889
and in the 1901 census
29 Turner Road, Cliffe, North Ayleford, Kent, England
Charles b1853 cement laborer
Mary b1854
esther b 1879
Arthur b1886
Mary b 1889
Agnes b1895
Hope that was of help, there were quite a few other Kearseys living in the same area at the same time as Charles and Elizabeth. Let me know if you need any more help