I'm guessing you have the information printed in Hallett's compiled info from old newspapers - Bermuda Index page 203 CHAPMAN.
1836, Jan. 19:Major Gen. Sir Stephen Remnant CHAPMAN, Governor of Bermuda, married Caroline PYKE, youngest daughter of the lagte Rev. George PYKE of Baythorn Park, Essex, and Vicar of Wickhambrook, Suffolk, on Nov. 9 at Boyton, Wiltshire (from London paper).
1893, Aug. 8: General Sir Frederick Edward CHAPMAN, aged 77, has died.His military life began in 1835 in the royal Engineers: he became colonel in 1855, Major General in 1867, and also at that time was appointed Governor of Bermuda.His appointment as General came in 1877. (Army & Navy Gazette, June 16).
Hallett's - 19th Century Church Regisgters of Bermuda (info taken from the church registers of Bermuda as tghere were NO birth registrations until abt. 1860) Pembroke 'white' groom marriages page 591 Chapman, Richard* Bachelor of BI - married - Coghlan, Mary Spinster of BI - date: 1878 Mar 20 comment: *RA
Hallett's - Early Bermuda Records - again taken from church registers. Ewing Register page 254 Chapman, Henry Thos. R* - father: Thomas - mother: Sarah (Richardson) - of Paget parish - baptims: 1797 Oct. 1 - comment: *Richardson
Ewing Register page 293 Groom marriages Chapman*, Thomas married Richardson, Sarah - Paget parish - 1796, Sept. 24 - comment: *gunner of Thetis
That is all I see in my small library. I suggest you try to find the newspapers listed above as they may give a more detailed discription of the marriage and name the parents of the groom.
sorry I could not be of more help. Sincerely, Judy in Bermuda