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| Tartan Name | Dublin, County | | | | Category | District
| | | | Designer | House of Edgar - Macnaughton Holdings Ltd. | STA Ref | 2250 | | Date Recorded | Not Specified | STWR Ref | 2250 |
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| Tartan Name | Dubucq (2016) | | | | Category | Name
| Reference | 11670 | | Designer | Drossart, Justine | | | | Date Recorded | 30/11/2016 | | |
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| Tartan Name | Duchess of Albany | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | 1378 | | Date Recorded | Not Specified | STWR Ref | 1378 |
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| Tartan Name | Duchess of Edinburgh | | | | Category | Corporate
| | | | Designer | Not Specified | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 358 |
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| Tartan Name | Duchess of Fife | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | 781 | | Date Recorded | Not Specified | STWR Ref | 781 |
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| Tartan Name | Duchess of Fife #2 | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | 4730 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Duchess of Kent | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | 1368 | | Date Recorded | Not Specified | STWR Ref | 1368 |
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| Tartan Name | Duchess of York | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 607 |
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| Tartan Name | Dudelsackbund Basel | | | | Category | Corporate
| Reference | 15010 | | Designer | Lochcarron of Scotland | | | | Date Recorded | 09/09/2025 | | |
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| Tartan Name | Duffus Hose, Lord | | | | Category | Other | | | | Designer | Not Specified | STA Ref | 1661 | | Date Recorded | Not Specified | STWR Ref | 1661 |
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| Tartan Name | Duffus Plaid, Lord | | | | Category | Other | | | | Designer | Not Specified | STA Ref | 1433 | | Date Recorded | Not Specified | STWR Ref | 1433 |
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| Tartan Name | Duffy | | | | Category | Name
| | | | Designer | Duffy/Reid | STA Ref | 2172 | | Date Recorded | Not Specified | STWR Ref | 2172 |
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| Tartan Name | Dugan (Personal) | | | | Category | Name
| | | | Designer | Lochcarron of Scotland | STA Ref | 7483 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Duke of Edinburgh | | | | Category | Fashion
| | | | Designer | Drennan, Alan C | STA Ref | 3983 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Duke of York | | | | Category | District
| | | | Designer | Not Specified | STA Ref | 577 | | Date Recorded | Not Specified | STWR Ref | 577 |
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