| GR-book# | Pg# | Instr. # | Surname | Given Names | Residence | Instr. Date | Reg Date | Death Date | Type of Instr. |
| 11-2nd | 481 | 2878 | MICK | Margaret Amand | Emo, Rainey River Dist | 1939-08-16 | 1939-11-29 | | Guardian |
| 13-1st | | 3771 | Midland Loan & Savings Company | | | 1947-08-30 | 1948-01-17 | | Sale Agreement |
| 5-1st | 60 | 663 | MILLAR | Haldane | Ottawa | 1911-05-08 | 1911-03-12 | | Power of Attorney |
| 5-1st | 60 | 663 | MILLAR | Thomas John | Spenceville | 1911-05-08 | 1911-05-12 | | Power of Attorney |
| 5-1st | 60 | 663 | MILLAR | Ralph | Ottawa | 1911-05-08 | 1911-05-12 | | Power of Attorney |
| 6 | 201 | 1060 | MILLAR | Haldane | Ottawa | 1911-02-11 | 1918-03-04 | | Power of Attorney |
| 7-1st | 7 | 1205 | MILLS | Mary | Ispwick,Suffolk,Eng | 1918-12-17 | 1919-11-10 | | Power of Attorney |
| 10-2nd | 700 | 2538 | MITCHELL | James A. | Sault Ste. Marie,ON | 1936-04-18 | 1936-04-20 | | Power of Attorney |
| 4 | 76 | 410 | MOLONEY | C. P. | Sault Ste. Marie,ON | 1903-03-03 | 1903-03-03 | | Dis of Power of Attorney |
| 4 | 422 | 592 | MOLONEY | John Charles | Sault Ste. Marie,ON | 1909-11-01 | 1909-11-13 | | Power of Attorney |
| 3 | 386 | 370 | MOLONY | Edmund Parke | Montreal | 1902-02-11 | 1902-07-11 | | Power of Attorney |
| 3 | 48 | 197 | MOND | Fredericke | London | 1899-08-19 | 1899-11-20 | | Power of Attorney |
| 3 | 47 | 196 | MOND | Ludwig, Dr. | London | 1899-08-19 | 1899-11-20 | | Power of Attorney |
| 3 | 321 | 345 | MOORE | Robert | | 1901-10-22 | 1901-11-01 | | Discharge of Mortgage |
| 3 | 200 | 293 | MOORE | Martha Ida | Owen Sound | 1900-12-05 | 1900-12-12 | | Power of Attorney |
| 9-1st | 177 | 1926 | MOOREHOUSE | Henry | Sault Ste. Marie, ON | 1928-07-03 | 1928-07-03 | | Power of Attorney |
| 3 | 238 | 314 | MORIN | Catherine | Sault Ste. Marie, ON | 1901-03-29 | 1901-03-29 | | Power of Attorney |
| 3 | 303 | 336 | MORRISON | Isobel | Sault Ste. Marie, MI | 1901-07-24 | 1901-07-25 | | Power of Attorney |
| 5-2nd | 508 | 894 | MURPHY | Bridget | St. Ignace, Michigan | 1914-09-25 | 1915-07-16 | | Power of Attorney |
| 4 | 138 | 438 | MURRAY | Peter | | 1887-03-12 | 1904-12-28 | 1888-06-21 | Mechanic Lien |
| 5-2nd | 537 | 915 | NADON | Marceline Carle | Edam, Sask | 1915-12-13 | 1916-01-21 | | Power of Attorney |
| 12 | 230 | 3257 | NELSON | Ivan & Ida L. | Sault Ste. Marie, ON | 1941-03-01 | 1943-11-05 | | Separation |
| 9-2nd | 428 | 2047 | New Company | | Ontario | 1929-09-27 | 1929-10-24 | | Agreement |
| 5-1st | 27 | 648 | NICHOLS | Caroline E. | Sault Ste. Marie,ON | 1911-10-13 | 1911-01-21 | | Power of Attorney |
| 10-1st | 179 | 2218 | NYKANEN | Jalmar & Hilja | Tarentorous Twp. | 1928-10-01 | 1931-09-16 | | Separation |
| 3 | 135 | 260 | O'BOILE Bros | | | 1900-09-08 | 1900-09-08 | | Mechanic Lien |
| 3 | 178 | 284 | O'BOYLE | John & D. | Sault Ste. Marie, ON | 1900-11-06 | 1900-11-05 | | Mechanic Lien |
| 4 | 403 | 580 | O'Boyle Bros. Construction Co. Ltd., The | | | 1909-06-22 | 1909-06-26 | | Dis Mechanic Lien |
| 4 | 369 | 558 | O'Boyle Bros. Construction Co. Ltd., The | | | 1908-11-28 | 1908-11-28 | | Mechanic Lien |
| 3 | 135 | 259 | O'CONNOR | Stephen | | 1900-09-06 | 1900-09-07 | | Mechanic Lien |
| 4 | 264 | 499 | O'NEIL | Patrick | Thorold | 1893-04-11 | 1906-07-26 | | Power of Attorney |
| 3 | 6 | 176 | Orange Lodge | | Algoma East | 1898-10-20 | 1898-10-24 | | Indenture |
| 8-2nd | 534 | 1800 | OSBORN | Lillian J. | Sault Ste. Marie,ON | 1926-12-20? | 1927-01-20 | | Power of Attorney |
| 6 | 309 | 1109 | PAOLINELLI | Alemando | Sault Ste. Marie,ON | 1915-09-27 | 1918-10-09 | | Power of Attorney |
| 9-2nd | 419 | 2042 | PARTRIDGE | Emma M. | Sault Ste. Marie, ON | 1928-05-01 | 1929-10-14 | | Power of Attorney |
| 3 | 127 | 249 | PASCUZZI | Aug | | 1900-08-22 | 1900-08-23 | | Mechanic Lien |
| 7-1st | 98 | 1252 | PASQUANTONIO | Luigi | Sault Ste. Marie,ON | 1920-03-08 | 1920-04-07 | | Power of Attorney |
| 7-1st | 99 | 1253 | PASQUANTONIO | Ernestina | Sault Ste. Marie,ON | 1920-03-08 | 1920-04-07 | | Power of Attorney |
| 13-1st | | 3769 | PATERSON | Gladys Naome | Sault Ste. Marie,ON | 1948-01-03 | 1948-01-06 | | Power of Attorney |
| 8-2nd | 562 | 1820 | PATTERSON | Katherine | Sault Ste. Marie,ON | 1927-02-18 | 1927-04-08 | | Power of Attorney |
| 13-nd | | 4040 | PECANIC | Anne | Sault Ste. Marie,ON | 1930-06-03 | 1950-02-14 | | Power of Attorney |
| 13-nd | | 4039 | PECANIC | Sam | Sault Ste. Marie,ON | 1930-06-23 | 1950-02-14 | | Power of Attorney |
| 7-1st | 151 | 1282 | PELLOW | John | Sault Ste. Marie,ON | 1919-10-07 | | | Power of Attorney |
| 6 | 147 | 1032 | PENHORWOOD | Sydney Lewis | Sault Ste. Marie,ON | 1916-08-31 | 1917-11-02 | | Power of Attorney |
| 10-1st | 70 | 2162 | Peoples Loan Mortgage | | Sault Ste. Marie,ON | 1931-01-17 | 1931-02-27 | | Amalgamation |
| 3 | 3 | 174 | PEPIN | Francois D'Assise | Algoma Mills | 1898-05-12 | 1898-05-13 | | Indenture |
| 5-2nd | 301 | 775 | PERCIVAL | John Moore | Elizabethtown Twp. | 1913-04-09 | 1913-05-13 | | Power of Attorney |
| 4 | 204 | 469 | PERRON | John | Sault Ste. Marie,ON | 1905-05-29 | 1905-05-30 | | Power of Attorney |
| 4 | 207 | 470 | PERRON | Napoleon | Sault Ste. Marie,ON | 1905-05-16 | 1905-05-30 | | Power of Attorney |
| 12 | 451 | 3443 | PEZZUTTO | Gina | Sault Ste. Marie, ON | 1945-03-12 | 1945-05-02 | | Separation |
| 9-1st | 23 | 1852 | PIANIANA | Anna | Piane Crati, Italy | 1927-06-21 | 1927-08-24 | | Power of Attorney |
| 8-2nd | 579 | 1829 | PIM | Joseph | Toronto | 1927-01-19 | 1927-05-31 | | Power of Attorney |
| 3 | 180 | 286 | PLUMMER | Maria Amelia | Sault Ste. Marie, ON | 1900-10-19 | 1900-11-14 | | Discharge of Mechanic Lien |
| 3 | 183 | 287 | PLUMMER | W. H. | | 1900-11-15 | 1900-11-15 | | Mechanic Lien |
| 3 | 178 | 283 | PLUMMER | William Henry | Sault Ste. Marie, ON | 1900-11-05 | 1900-11-05 | | Mechanic Lien |
| 3 | 132 | 256 | PLUMMER | W. H. | | 1900-09-01 | 1900-09-01 | | Mechanic Lien |
| 4 | 454 | 608 | PLUMMER | William Henry | Sault Ste. Marie,ON | 1910-03-14 | 1910-04-07 | | Power of Attorney |