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| Tartan Name | Marubeni Europower | | | | Category | Corporate
| Reference | 14408 | | Designer | Lochcarron of Scotland | | | | Date Recorded | 07/08/2024 | | |
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| Tartan Name | Mary Erskine School, The | | | | Category | Corporate
| | | | Designer | Kinloch Anderson Ltd | STA Ref | 2185 | | Date Recorded | Not Specified | STWR Ref | 2185 |
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| Tartan Name | Mary Kay | | | | Category | Corporate
| Reference | 13786 | | Designer | Mackenzie, Siobhan | | | | Date Recorded | 31/01/2023 | | |
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| Tartan Name | Mary Washington | | | | Category | Corporate
| | | | Designer | Celtic Connections | STA Ref | 2432 | | Date Recorded | Not Specified | STWR Ref | 2432 |
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| Tartan Name | Mary, Queen of Scots | | | | Category | Other | | | | Designer | Not Specified | STA Ref | 5969 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Maryland | | | | Category | District
| | | | Designer | Balfour-Traill, Cynthia | STA Ref | 5920 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Maryville College | | | | Category | Corporate
| | | | Designer | Warren, Marjorie | STA Ref | 6154 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Massie/Massey | | | | Category | Fashion
| | | | Designer | Wilsons of Bannockburn | STA Ref | 6631 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Master and Princess | | | | Category | Other | Reference | 12694 | | Designer | Ulbricht, Maike | | | | Date Recorded | 10/12/2019 | | |
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| Tartan Name | Master, The | | | | Category | Fashion
| Reference | 14887 | | Designer | Catherall, William | | | | Date Recorded | 24/06/2025 | | |
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| Tartan Name | MatchPoint | | | | Category | Corporate
| Reference | 10908 | | Designer | Kinloch Anderson Ltd | | | | Date Recorded | 26/09/2013 | | |
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