Manchester Ardwick [E] Labour gain
| J Henderson | Labour | 16,364 | 52.92% |
| AG Fuller | Conservative | 14,556 | 47.08% |
Electorate: 43,314; Total vote: 30,920; Turnout: 71.39%; Majority: 1,808 (5.85%)
Manchester Blackley [E] Conservative hold
| J Lee-Jones | Conservative | 15,355 | 44.36% |
| PM Oliver | Liberal | 9,893 | 28.58% |
| WE Davies | Labour | 9,370 | 27.07% |
Electorate: 44,314; Total vote: 34,618; Turnout: 78.12%; Majority: 5,462 (15.78%)
Manchester Clayton [E] Labour gain
| JH Jagger | Labour | 19,225 | 53.73% |
| TH Hewlett | Conservative | 16,557 | 46.27% |
Electorate: 46,475; Total vote: 35,782; Turnout: 76.99%; Majority: 2,668 (7.46%)
Manchester Exchange [E] Conservative hold
| PT Eckersley | Conservative | 15,956 | 54.09% |
| E Mendel | Labour | 8,313 | 28.18% |
| Sir G Paish | Liberal | 5,228 | 17.72% |
Electorate: 46,606; Total vote: 29,497; Turnout: 63.29%; Majority: 7,643 (25.91%)
Manchester Gorton [E] Labour gain
| J Compton | Labour | 20,039 | 55.86% |
| EAGS Bailey | Conservative | 15,833 | 44.14% |
Electorate: 46,517; Total vote: 35,872; Turnout: 77.12%; Majority: 4,206 (11.73%)
Manchester Hulme [E] Conservative hold
| Sir J Nall | Conservative | 17,072 | 60.34% |
| Mrs BA Gould | Labour | 11,221 | 39.66% |
Electorate: 42,448; Total vote: 28,293; Turnout: 66.65%; Majority: 5,851 (20.68%)
Manchester Moss Side [E] Conservative hold
| WR Duckworth | Conservative | 15,199 | 58.70% |
| LM Lever | Labour | 10,694 | 41.30% |
Electorate: 40,973; Total vote: 25,893; Turnout: 63.20%; Majority: 4,505 (17.40%)
Manchester Platting [E] Labour gain
| JR Clynes | Labour | 18,352 | 51.89% |
| JW Stansfield | Conservative | 17,015 | 48.11% |
Electorate: 46,234; Total vote: 35,367; Turnout: 76.50%; Majority: 1,337 (3.78%)
Manchester Rusholme [E] Conservative hold
| EA Radford | Conservative | 19,678 | 62.55% |
| A Knight | Labour | 9,258 | 29.43% |
| Dr P McDougall | Independent | 2,525 | 8.03% |
Electorate: 45,068; Total vote: 31,461; Turnout: 69.81%; Majority: 10,420 (33.12%)
Manchester Withington [E] Conservative hold
| EL Fleming | Conservative | 35,564 | 62.27% |
| DS Morton | Labour | 12,248 | 21.45% |
| WC Ross | Liberal | 9,298 | 16.28% |
Electorate: 80,561; Total vote: 57,110; Turnout: 70.89%; Majority: 23,316 (40.83%)
Mansfield [E] Labour hold
| C Brown | Labour | 31,803 | 68.01% |
| AC Spearman | Conservative | 14,962 | 31.99% |
Electorate: 67,251; Total vote: 46,765; Turnout: 69.54%; Majority: 16,841 (36.01%)
Melton [E] Conservative hold
| WL Everard | Conservative | 26,325 | 67.45% |
| AE Stubbs | Labour | 12,704 | 32.55% |
Electorate: 54,312; Total vote: 39,029; Turnout: 71.86%; Majority: 13,621 (34.90%)
Merioneth [W] Liberal hold
| H Haydn Jones | Liberal | 9,466 | 40.02% |
| TW Jones | Labour | 8,317 | 35.17% |
| C Phibbs | Conservative | 5,868 | 24.81% |
Electorate: 28,985; Total vote: 23,651; Turnout: 81.60%; Majority: 1,149 (4.86%)
Merthyr [W] Labour hold
| SO Davies | Labour | 20,530 | 68.05% |
| C Stanfield | Ind Lab Party | 9,640 | 31.95% |
Electorate: 43,842; Total vote: 30,170; Turnout: 68.82%; Majority: 10,890 (36.10%)
Middlesbrough East [E] Labour gain
| A Edwards | Labour | 12,699 | 43.95% |
| BC Talbot | Conservative | 12,632 | 43.72% |
| EJ Young | Liberal | 3,565 | 12.34% |
Electorate: 35,611; Total vote: 28,896; Turnout: 81.14%; Majority: 67 (0.23%)
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Middlesbrough West [E] Liberal hold
| FK Griffith | Liberal | 13,689 | 36.18% |
| H Kegie | Labour | 12,764 | 33.73% |
| WA Spofforth | National Labour | 11,387 | 30.09% |
Electorate: 47,666; Total vote: 37,840; Turnout: 79.39%; Majority: 925 (2.44%)
Middleton & Prestwich [E] Conservative hold
| Sir NS Sandeman | Conservative | 27,369 | 61.14% |
| J Nuttall | Labour | 17,398 | 38.86% |
Electorate: 60,053; Total vote: 44,767; Turnout: 74.55%; Majority: 9,971 (22.27%)
Midlothian Northern [S] Conservative hold
| Lt-Col DJ Colville | Conservative | 23,711 | 62.93% |
| J Lean | Labour | 13,970 | 37.07% |
Electorate: 50,687; Total vote: 37,681; Turnout: 74.34%; Majority: 9,741 (25.85%)
Mile End [E] Labour gain
| D Frankel | Labour | 13,177 | 57.20% |
| Dr WJ O'Donovan | Conservative | 9,859 | 42.80% |
Electorate: 36,294; Total vote: 23,036; Turnout: 63.47%; Majority: 3,318 (14.40%)
Mitcham [E] Conservative hold
| Sir RJ Meller | Conservative | 35,239 | 57.46% |
| P Winterton | Labour | 26,087 | 42.54% |
Electorate: 91,889; Total vote: 61,326; Turnout: 66.74%; Majority: 9,152 (14.92%)
Monmouth [W] Conservative hold
| Maj JA Herbert | Conservative | 23,262 | 63.36% |
| M Foot | Labour | 13,454 | 36.64% |
Electorate: 47,792; Total vote: 36,716; Turnout: 76.82%; Majority: 9,808 (26.71%)
Montgomery [W] Liberal National hold
| CL Davies | Liberal National | Unopposed | —% |
Electorate: 30,943; Turnout: —%; Majority: — (—%)
Montrose [S] Liberal National hold
| Col CI Kerr | Liberal National | 15,198 | 69.62% |
| JE Harper | Labour | 6,632 | 30.38% |
Electorate: 30,951; Total vote: 21,830; Turnout: 70.53%; Majority: 8,566 (39.24%)
Moray & Nairn [S] Conservative hold
| J Stuart | Conservative | 12,755 | 63.45% |
| JD Vassie | Labour | 7,347 | 36.55% |
Electorate: 30,470; Total vote: 20,102; Turnout: 65.97%; Majority: 5,408 (26.90%)
Morpeth [E] Labour gain
| RJ Taylor | Labour | 28,900 | 59.17% |
| G Nicholson | Conservative | 19,944 | 40.83% |
Electorate: 62,079; Total vote: 48,844; Turnout: 78.68%; Majority: 8,956 (18.34%)
Mossley [E] National gain
| A Hopkinson | National | 24,569 | 52.31% |
| HM Gibson | Labour | 22,399 | 47.69% |
Electorate: 62,363; Total vote: 46,968; Turnout: 75.31%; Majority: 2,170 (4.62%)
Motherwell [S] Labour gain
| J Walker | Labour | 14,755 | 50.74% |
| T Ormiston | Conservative | 14,325 | 49.26% |
Electorate: 38,320; Total vote: 29,080; Turnout: 75.89%; Majority: 430 (1.48%)
Neath [W] Labour hold
| Sir W Jenkins | Labour | Unopposed | —% |
Electorate: 64,575; Turnout: —%; Majority: — (—%)
Nelson & Colne [E] Labour gain
| SS Silverman | Labour | 26,011 | 54.52% |
| LT Thorp | Independent | 21,696 | 45.48% |
Electorate: 56,307; Total vote: 47,707; Turnout: 84.73%; Majority: 4,315 (9.04%)
Newark [E] Conservative hold
| Marquess of Titchfield | Conservative | 21,793 | 62.41% |
| AW Sharman | Labour | 13,127 | 37.59% |
Electorate: 49,945; Total vote: 34,920; Turnout: 69.92%; Majority: 8,666 (24.82%)
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