Harris had a long association with Lord's and MCC as both player and administrator. In 1862, aged eleven, he was practising at Lord's. It was not till 1929, at the age of 78, that he played there for the last time, representing MCC v Indian Gymkhana. He was president of MCC in 1895, a trustee from 1906 to 1916 and treasurer from 1916 to 1932. Additionally, he was at various times chairman of both the MCC finance and cricket sub-committees. Through these offices, Harris wielded considerable power in the world of cricket and it was written of him: "No man has exercised so strong an influence on the cricket world so long..."