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| Tartan Name | Michigan State University | | | | Category | Corporate
| | | | Designer | Parsons, Alex | STA Ref | 6776 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Michigan, State of | | | | Category | District
| | | | Designer | Meek, Kati R. | STA Ref | 3473 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Micron | | | | Category | Corporate
| | | | Designer | Not Specified | STA Ref | 3822 | | Date Recorded | Not Specified | STWR Ref | 2706 |
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| Tartan Name | Middleton | | | | Category | Clan/Family | | | | Designer | Not Specified | STA Ref | 903 | | Date Recorded | Not Specified | STWR Ref | 903 |
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| Tartan Name | Middleton, City of | | | | Category | District
| | | | Designer | Schaffer, Barbara | STA Ref | 6466 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Midlothian | | | | Category | Fashion
| | | | Designer | McGill, David/International Tartans Ltd | STA Ref | 2446 | | Date Recorded | Not Specified | STWR Ref | 2446 |
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| Tartan Name | Midnight Glen | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | 7612 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Midnight Highlander | | | | Category | Fashion
| Reference | 12795 | | Designer | Dixon, Louise & Cook, Iain | | | | Date Recorded | 17/03/2020 | | |
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| Tartan Name | Midnight Sun, The | | | | Category | Fashion
| Reference | 11955 | | Designer | Martin, Carol A L | | | | Date Recorded | 25/10/2017 | | |
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| Tartan Name | Midnight Sunrise | | | | Category | Fashion
| Reference | 11638 | | Designer | Brown, Maclean | | | | Date Recorded | 28/09/2016 | | |
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| Tartan Name | Midnight Thistle | | | | Category | Fashion
| | | | Designer | Geoffrey (Tailor) Highland Crafts | STA Ref | 7499 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Mighty Men | | | | Category | Corporate
| Reference | 10270 | | Designer | Tartans 4 Africa | | | | Date Recorded | 23/08/2010 | | |
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| Tartan Name | Migraine | | | | Category | Other | Reference | 13094 | | Designer | Stephens, Thomas C | | | | Date Recorded | 23/03/2021 | | |
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| Tartan Name | Mihulka (2017) | | | | Category | Name
| Reference | 11829 | | Designer | The Kilt Hire Co | | | | Date Recorded | 14/06/2017 | | |
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| Tartan Name | Mikeysline | | | | Category | Corporate
| Reference | 14119 | | Designer | Mackenzie, Siobhan | | | | Date Recorded | 14/11/2023 | | |
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| Tartan Name | Milan Club Scozia | | | | Category | Corporate
| | | | Designer | Not Specified | STA Ref | 7694 | | Date Recorded | Not Specified | STWR Ref | none |
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