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| Tartan Name | Welsh Costume (Personal) | | | | Category | Name
| | | | Designer | Leighton Bt., Sir Michael | STA Ref | 7082 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Welsh Guards | | | | Category | Military
| Reference | 12741 | | Designer | Lawson, Margi | | | | Date Recorded | 11/02/2020 | | |
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| Tartan Name | Welsh National | | | | Category | District
| | | | Designer | Richards, Don | STA Ref | 1523 | | Date Recorded | Not Specified | STWR Ref | 1523 |
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| Tartan Name | Welsh National #2 | | | | Category | District
| | | | Designer | Wallace-Pope, Pat & Stan | STA Ref | 2167 | | Date Recorded | Not Specified | STWR Ref | 2167 |
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| Tartan Name | Welsh National #3 | | | | Category | District
| | | | Designer | Not Specified | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 2756 |
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| Tartan Name | Wemyss | | | | Category | Clan/Family | | | | Designer | Sobieski Stewarts, The | STA Ref | 1512 | | Date Recorded | Not Specified | STWR Ref | 1512 |
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| Tartan Name | Werris Creek Catholic Parish | | | | Category | Commemorative
| Reference | 10137 | | Designer | Lawson, F J, of Crofter's Weaving Mill | | | | Date Recorded | 21/01/2010 | | |
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| Tartan Name | West College Scotland | | | | Category | Corporate
| Reference | 12475 | | Designer | Urquhart, Blair | | | | Date Recorded | 23/04/2019 | | |
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| Tartan Name | West Highland Way | | | | Category | Corporate
| | | | Designer | Wilton, Brian | STA Ref | 6837 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | West Lothian | | | | Category | Fashion
| | | | Designer | McGill, David/International Tartans Ltd | STA Ref | 2504 | | Date Recorded | Not Specified | STWR Ref | 2504 |
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| Tartan Name | West Lothian Woolen Mill | | | | Category | Corporate
| | | | Designer | Not Specified | STA Ref | 6448 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | West of Wells | | | | Category | Name
| Reference | 10012 | | Designer | Kinloch Anderson | | | | Date Recorded | 31/03/2009 | | |
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| Tartan Name | West Point | | | | Category | Military
| | | | Designer | Lindley, Harry for Kinloch Anderson Ltd | STA Ref | 1130 | | Date Recorded | Not Specified | STWR Ref | 1130 |
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| Tartan Name | West Virginia | | | | Category | District
| | | | Designer | Smith, Dr Philip D and Grant III, John A | STA Ref | 7631 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | West Virginia Old Shawl | | | | Category | Other | | | | Designer | Not Specified | STA Ref | 4252 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Westartica | | | | Category | Corporate
| Reference | 14912 | | Designer | Trott, Owen | | | | Date Recorded | 15/07/2025 | | |
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| Tartan Name | Westbrook (2013) | | | | Category | Name
| Reference | 10929 | | Designer | Westbrook, Kim | | | | Date Recorded | 30/10/2013 | | |
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