| | Surname | Forename | Year Born | Location | Census Year | | May | Michael | abt 1793 | Giggleswick | 1891 |
| McConville | Donald | abt 1887 | Flasby with Winterburn | 1891 |
| McConville | Margaret | abt 1890 | Flasby with Winterburn | 1891 |
| McConville | Walter | abt 1889 | Flasby with Winterburn | 1891 |
| McDonald | Martha | abt 1889 | Kirkdale | 1891 |
| McDonald | Martha | abt 1889 | Rastrick | 1901 |
| McInnis | Hubert | abt 1883 | Coniston Cold | 1891 |
| McInnis | Hubert | abt 1883 | Otterburn | 1901 |
| McKay | James Brown | abt 1850 | Malham Moor | 1851 |
| McKay | Walter | abt 1851 | Malham Moor | 1851 |
| McMillan | Mary | abt 1870 | Chesterfield | 1901 |
| McMinn | James | abt 1896 | Coniston Cold | 1901 |
| Metcalf | Alice | abt 1829 | Blackburn | 1851 |
| Metcalf | Alice | abt 1852 | Coniston Cold | 1861 |
| Metcalf | Andrew | abt 1864 | Ightenhill Park | 1881 |
| Metcalf | Andrew | abt 1868 | Malham | 1901 |
| Metcalf | Annie | abt 1871 | Liverpool | 1891 |
| Metcalf | Daniel | abt 1867 | Airton | 1871 |
| Metcalf | Daniel | abt 1867 | Barrowford | 1891 |
| Metcalf | Daniel | abt 1867 | Gisburn Forrest | 1881 |
| Metcalf | Edward | abt 1867 | Airton | 1871 |
| Metcalf | Edward | abt 1869 | Hellifield | 1881 |
| Metcalf | Elizabeth | abt 1790 | Burley | 1851 |
| Metcalf | Elizabeth | abt 1843 | Coniston Cold | 1851 |
| Metcalf | Elizabeth | abt 1822 | Coniston Cold | 1861 |
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