[3] In 1854, he became Lord Mayor of London and showed European leanings as in 1855 he received the French Emperor and his wife Empress Eugenie in the Guildhall.

[3] Moon died at Western House, Brighton on 13 October 1871, at the age of 74.

He was buried in the churchyard of St. Mary's Church, Fetcham, Surrey where his son Edward was rector.

[2] His son Edward Graham Moon was a rower and clergyman and succeeded to the baronetcy.

Through his marriage to Anne, Moon was related to the architects Frederic Chancellor and F. G. M.