| Many fires in county have slowed | Humboldt Times | MF 10 | 10/20/1936 | | | Fire | Clam Beach Abalone Beach | Clam Beach, Abalone Beach, Arcata Fire Dept. |
| Many fires out control, heavy smoke | Humboldt Times | MF 10 | 9/23/1936 | 1,3 | | Fire damage | Rainbow Ridge Howe Creek | Rainbow Ridge, Fires Out Of Control |
| Many houses under construction | Daily Times | MF 10 | 2/22/1883 | 3 | 2 | New houses | | Many New Houses |
| Many improvements in Ferndale | Weekly Times | MF 10 | 5/29/1880 | 1 | | New infrastructure | Ferndale | Ferndale, New Improvements |
| Many people come to see river, river damage | Humboldt Times | MF 10 | 12/12/1937 | 5 | | Flood damage | Camp Weott Fernbridge Scotia | Thousands Of People, Cabins, Threatened, Cattle, Poultry Lost |
| Map | Humboldt Times | MF 10 | 3/23/1929 | 4 | 5 | Publication | Arcata | Book Ii Of Maps |
| Map | Humboldt Times | MF 10 | 3/23/1929 | 5 | 2 | Publication | Fairhaven | Book I Of Maps |
| Map filed of Sunset Addition to Arcata | The Humboldt Times | MF 10 | 10/15/1939 | 3 | 4 | Map | Arcata Sunset Addition | Sunset Addition, Map, Filed |
| Map of Eureka | Hum. Weekly Std. | MF 10 | 5/31/1994 | 3 | 2 | Map | Eureka | City Engineer Lentell, New City Map, Street Grade |
| Map of Indian settlements by Robert Spott & E. F. Benedict | Humboldt Times | MF 10 | 6/26/1949 | 4 | | Map | | Map, Indian Settlements, Robert Spott |
| Map of proposed Lord-Ellis road | Humboldt Times | MF 10 | 10/6/1913 | 2 | 3 | Map | Blue Lake Green Point | Map, Lord-Ellis Road |
| Map of roads proposed under $1.5M Bond Issue | The Humboldt Times | MF 10 | 6/20/1916 | 1 | | Map | | Map, Roads, Bond Issue |
| Map of the proposed overland road | Humboldt Times | MF 10 | 10/7/1890 | 2 | | Map | | Copy, Overland Road |
| Maps almost completed by Lentell of proposed route | Daily Humboldt Times | MF 10 | 11/6/1909 | 8 | 3 | Mapping | | Lentell, W.S. Clarke, Maps, Proposed Route |
| March issue of Sunset contains article on three forks of Eel River | Humboldt Times | MF 10 | 3/2/1951 | 6 | 3 | Article | Eel River Dyerville Grizzly Creek | Article, Sunset Magazine, Three Forks |
| Marriage of Dewey Dolf and Shirley Pitlock | Humboldt Times | MF 10 | 4/15/1951 | 21 | | Marriage | | Marriage, Announcement |
| Married | Humboldt Times | MF 10 | 8/27/1955 | 5 | | News | | Soan Loumena, Dick Early |
| Marsh Road construction | Humboldt Times | MF 10 | 8/24/1918 | 1 | | Infrastructure-road | Arcata Eureka | Mash Road, Mercer Frasier |
| Marshall to carry out ordinance prohibiting cows, and trees planted around plaza | Daily Humboldt Times | MF 10 | 2/3/1878 | 3 | 3 | Ordered, Trees planted | Arcata | Marshall, Ordinance, Common Council, Trees |
| Mary Hannah had her funeral Today | Humboldt Times | MF 10 | 9/22/1931 | 3 | 8 | Funeral Service | Big Lagoon | Mary Hannah, Funeral |
| Mary Harriet Tracey and Phil DeLong announced they will marry on Dec. 25th, 1947. | The Humboldt Times | MF 10 | 12/4/1947 | 6 | 3 | Announcement | | Announcement, Marriage, Celebration |
| Mary Jone Rockliff sold to USA site for Point Gorda Lighthouse | Humboldt Times | MF 10 | 8/13/1909 | 8 | 3 | Land use | Point Gorda Lighthouse Four mile Creek | Mary Jone Rockliff, Point Gorda Lighthouse |
| Masons plan to build six story building | Humboldt Times | MF 10 | 8/5/1910 | 1 | 1 | Building plans | | Masons, Six Story Building , Plan, Consideration |
| Master Albert Zuber returned to school | Humboldt Times | MF 10 | 10/27/1929 | 21 | 5 | Attendance | Orick | Master Albert Zuber |
| Materials for new bridge over Granny Creek arriving | Humboldt Times | MF 10 | 10/24/1929 | 12 | 1 | Bridge work | Granny Creek Upper Mattole | Granny Creek, New Bridge |
| Matter of Lagoon laid over until first Monday in July | Daily Times | MF 10 | 5/11/1883 | 2 | 2 | B.O.S proceedings | Fred Bell Road | Fred Bell Road, First Monday In July |
| Matthews and Lagoon Company Settle Action | The Humboldt Times | MF 10 | 6/5/1916 | 6 | 2 | Legal Notice | Big Lagoon | P.W. Matthews, Lagoon Lumber Company, Settlement |
| Mattole Lumber Company started construction railroad | Humboldt Times | MF 10 | 7/22/1909 | 8 | 6 | Railroad work | Mattole | Mattole Lumber Company, Railroad, Art Logan |
| Mattole River on Jan. 27, 1878, was 4 feet higher in canyons | Daily Humboldt Times | MF 10 | 2/6/1878 | 3 | 1 | Water level | Mattle River | Mattole River |
| Max Rowley married Mary Juanita Beaudoin | Humboldt Times | MF 10 | 3/11/1951 | 19 | 1 - 3 | Marriage | | Married, Max Rowley, Mary Juanita Beaudoin |
| May 16, 1904, Mr. Hendricks came up in first automobile | Blue Lake Advocate | MF 2191 | 12/21/1967 | 4 | | SBF column | | Mr. Hendricks, Automobile, 1St One Up Here, Mr. Loveron |
| Mayor James Ralph/National Shipping Bd. | Humboldt Times | MF 10 | 7/26/1917 | 1 | 7 | Development | Fairhaven Washington, D.C. | Wooden Steamers, Building, Ships |
| Mayor James Rolph of S.F. will leave for Washington, D.C., around August 1st to try to secure contracts. | Humboldt Times | MF 10 | 7/26/1917 | 1 | 7 | Article | San Francisco Washington D.C. | Contracts, Steamers |
| Mayor of Eureka authorized to secure option for water rights for Mad River Project | Humboldt Times | MF 10 | 7/6/1933 | 1 | 5 | Legal Notice | Mad River Korbel | Authorized, Mayor, Water Rights, Secure |
| Mayor Sweasey Takes Office | Humboldt Times | MF 10 | 7/14/1931 | 1 | | New Mayor | | Mayor Sweasey |
| McIntyre's Mill, small community | Humboldt Times | MF 10 | 7/5/1925 | 7 | | Town | McIntyre's Mill Ferndale Fortuna | Mcintyre'S Mill |
| Mckay & company railroad | Daily Times | MF 10 | 6/24/1883 | 3 | 3 | Article | | Mckay & Company Railroad, Occidental Mill |
| McKinleyville bulb farm | Humboldt Standard | MF 9 | 3/30/1917 | 1 | 3 | Bulb farm | McKinleyville | Six Charles Willis Ward, Kenneth Kilburn, Auto Caravan |
| Meeting by Board of Dir. of Eureka C of C oppose any div. of water from Trinity River | Humboldt Times | MF 10 | 1/13/1953 | 3 | 2 | Meeting | Trinity River | Eureka C Of C, Trinity River Div. Project |
| Meeting by both supervisors for Humboldt and Mendocino county discuss road work | Humboldt Times | MF 10 | 8/15/1909 | 1 | 7 | Road work | Mendocino county Garberville South Fork Eel | Mendocino County, Supervisor George Williams, George Connors |
| Meeting by official members of Humboldt and Eastern Electric Railroad to go over project | Daily Humboldt Times | MF 10 | 11/23/1909 | 1 | 5 | Meeting | | Project, W.S. Clark, Railroad, Humboldt & Eastern Electric Rr |
| Meeting by Trinidad City Council on ways to get boat ramp built | Humboldt Times | MF 10 | 10/8/1960 | 13 | 6 | Meeting | Trinidad | Boat Ramp, Trinidad, Sam Merryman |
| Meeting discussed possible building road to north jetty | The Humboldt Times | MF 10 | 10/16/1932 | 2 | 8 | Meeting | North Jetty Rolf | Meeting, Humboldt F&G Club, Road |
| Meeting in Weaverville on Trinity river diversion plan | Humboldt Times | MF 10 | 7/14/1950 | | | Land use | Weaverville | Meeting, Trinity River Diversion Plan |
| Meeting items set by Ferndale Chamber of Commerce for opening new bridge | The Humboldt Times | MF 10 | 10/12/1911 | 1 | 1 | Meeting | Ferndale Singley | Ferndale Chamber Of Commerce, Loleta Board Of Trade, New Bridge |
| Meeting of Board of Harbor Commissioners held meeting . | Daily Times Telephone | MF 10 | 4/21/1886 | 3 | 1 | Meeting | | Board Of Harbor Commissioners , Arcata & Mad River Railroad, Wharf |
| Meeting of group called Klamath River Watershed Diversion Association | Humboldt Times | MF 10 | 5/11/1952 | 25 | | Meeting | Klamath River Trinity River Eureka Inn | Trinity Diversion Project, Hr 7343 |
| Meeting of HC CoH.Lemen Association had Q & A, survey looking at conservation actions in RW | Humboldt Times | MF 10 | 9/21/1963 | 20 | 5 | Meeting | Ford Ranch | Meeting, Ford Ranch, Conservation, Rw |
| Meeting of Little River Gold Beach Mining Company | Daily Humboldt Times | MF 10 | 5/21/1878 | 3 | 1 | Meeting | | Meeting, Little River Gold Beach Mining Company, Flagler'S |
| Meeting on bank protection of the Eel River due to bank cutting | Humboldt Times | MF 10 | 3/9/1926 | 9 | 4 | Meeting | Eel River Dennis Early Ranch Van Duzen | Meeting, Bank Cutting, Bank Protection |
