M'Cummin 12.2.1795 at Gerald's.
Perhaps the Captain John McCumming Paymaster of the 31st Foot who was tried along with his Lt Colonel William Hepburn in 1803 for embezzling regimental funds, he was sentenced to 18 months in the Kings bench and Hepburn to 12 months (Nat Arch TS11/881) see Hepburn, William


Work notes: 
PCC 1806 Bryce McCumming late Capt 5th W I regt of Clifton Glos / PCC 1835 John McC of Farnham, Surrey / PCC 1840 Jane McC spinster of College St Bristol