205	MACKAY	Thurso	pre1800
	150	MADDERN	Mardon	All
	303	MANNELL	Bodmin / Egloshayle	1650-1800
	303	MANNELL	Lanivet / Jersey	1650-1800
	373	MANKEY	St. Keverne	c1800s
	349	MARKS	St. Neot	1800-1900s
	349	MARKS	Plymouth	c1900s
	092	MARSH	Paddington	1854
	205	MARSHALL	Hownam	All
	205	MARSHALL	Farr, Scotland	All
	269	MARTIN	St. Austell area	c1800s
	303	MARTIN	Higham, Kent	1700-1875
	445	MARTIN	Camborne	pre1676
	205	MARTYN	Tintagel	1700+
	445	MARTYN	Crantock	pre1722
	454	MASON	Shropshire	All
	706	MATHEW	St. Just in Penwith	c1775
	269	MATTHEWS	Lostwithiel	c1600s
	367	MATTHEWS	Kenwyn	18C
	495	MATTHEWS	St. Buryan	pre1809
	715	MATTHEWS	Paul	1700+
	605	MAUDER	Probus	All
	239	MAY	Launcells	pre1700
	269	MAY	Lanreath area	c1700s
	028	MAYS	St. Eval	1600-1700s
	205	MEEKS	Eaton Socon	c1600
	028	MENHENITT + var.	St. Stephen by Saltash	1700+
	028	MENHENITT + var.	Blisland / St. Neot	1700+
	195	MENHENNIT	St. Kew / St. Mabyn	pre1785
	195	MENHENNIOT	St. Mabyn / St. Kew	pre1785
	551	MERRIFIELD	St. Wenn / St. Issey	18-19C
	453	METTERS	Cornwall / Devon border	18-19C
	702	MEWTON	Kenwyn	19C
	205	MILES	Northill, Bedfordshire	1600+
	713	MILL	South Petherwin	c1850
	205	MILLS	Long Melford	c1758
	713	MILLS	South Petherwin	c1850
	510	MINERS	Creed	1750+
	195	MITCHELL	Edinburgh	pre1829
	626	MITCHELL (Francis)	St. Hilary	c1710
	205	MOCKENNES	Margate, Kent	c1500
	205	MOFFAT	Edinburgh	1650+
	453	MOONEY	Plymouth, Devon	1830+
	367	MORCOM(B)	St. Issey	17C
	367	MORCOM(B)	Gwennap	18-19C
	706	MOR(R)ISH	St. Endellion	1795+
	205	MORRIS	Acton Trussell	pre1880
	732	MORRIS	Lanivet	1800-1880
	732	MORRIS	Tywardreath	1780-1920
	732	MORRIS	Lanlivery	1790-1815
	732	MORRIS	St. Winnow	c1780s
	010	MOSES	Falmouth	18-19C
	499	MOSS	Cornwall	All
	051	MOUL	Bethnal Green	c1800s
	600	MOYLE	Constantine / Wendron	1600-2002
	303	MUNN(S)	Dartford / Luddesdown	1700-1900
	303	MUNN(S)	Bromley by Bow, Middx.	1700-1900
	349	MURTON	Redruth	c1800s
	349	MURTON	Stithians	c1800s