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| Tartan Name | MacMillan/Isetan | | | | Category | Corporate
| | | | Designer | Isetan Ltd | STA Ref | 6310 | | Date Recorded | 13/12/2012 | STWR Ref | none |
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| Tartan Name | MacNeil Dress | | | | Category | Clan/Family | | | | Designer | Unknown | STA Ref | 1974 | | Date Recorded | Not Specified | STWR Ref | 1974 |
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| Tartan Name | MacNeil of Barra | | | | Category | Clan/Family | | | | Designer | Wilsons of Bannockburn | STA Ref | 1767 | | Date Recorded | Not Specified | STWR Ref | 1767 |
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| Tartan Name | MacNeil of Barra - Chief | | | | Category | Clan/Family | | | | Designer | Wilsons of Bannockburn | STA Ref | 1839 | | Date Recorded | Not Specified | STWR Ref | 1839 |
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| Tartan Name | MacNeil of Colonsay #1 | | | | Category | Clan/Family | | | | Designer | Unknown | STA Ref | 196 | | Date Recorded | Not Specified | STWR Ref | 196 |
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| Tartan Name | MacNeil of Colonsay #2 | | | | Category | Clan/Family | | | | Designer | Unknown | STA Ref | 804 | | Date Recorded | Not Specified | STWR Ref | 804 |
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| Tartan Name | Macushla | | | | Category | Corporate
| Reference | 14094 | | Designer | Paterson, Robert | | | | Date Recorded | 31/10/2023 | | |
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| Tartan Name | McCamley (Personal) | | | | Category | Name
| | | | Designer | McCamley, Andrew | STA Ref | 7241 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | McCaslin | | | | Category | Other | | | | Designer | Unknown | STA Ref | 5934 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | McInally | | | | Category | Clan/Family | | | | Designer | Smith/McInally | STA Ref | 3465 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | McMuldroch (2014) | | | | Category | Name
| Reference | 11079 | | Designer | McMuldroch, John | | | | Date Recorded | 25/06/2014 | | |
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| Tartan Name | Mexicana | | | | Category | Fashion
| Reference | 11820 | | Designer | McGill, David | | | | Date Recorded | 06/06/2017 | | |
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| Tartan Name | Michigan State Police | | | | Category | Corporate
| | | | Designer | Streeter, Kevin | STA Ref | 6900 | | Date Recorded | Not Specified | STWR Ref | none |
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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 | Mikeysline | | | | Category | Corporate
| Reference | 14119 | | Designer | Mackenzie, Siobhan | | | | Date Recorded | 14/11/2023 | | |
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