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| Tartan Name | Clydeview Academy | | | | Category | Corporate
| Reference | 13344 | | Designer | Houston Kiltmakers & Clydeview Academy Community | | | | Date Recorded | 16/11/2021 | | |
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| Tartan Name | CMA | | | | Category | Corporate
| Reference | 14248 | | Designer | McGreechin, Erin and Wilkinson, Emma | | | | Date Recorded | 19/03/2024 | | |
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| Tartan Name | Co-pilot, The | | | | Category | Fashion
| Reference | 14869 | | Designer | Catherall, William | | | | Date Recorded | 17/06/2025 | | |
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| Tartan Name | Coal Mining | | | | Category | Fashion
| Reference | 14358 | | Designer | Lochcarron of Scotland | | | | Date Recorded | 10/07/2024 | | |
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| Tartan Name | Coast & Glen (Fishbox) Ltd | | | | Category | Corporate
| Reference | 11631 | | Designer | Prickly Thistle Scotland Ltd | | | | Date Recorded | 21/09/2016 | | |
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| Tartan Name | Coast by Navygrey | | | | Category | Fashion
| Reference | 13245 | | Designer | Prickly Thistle Scotland Ltd | | | | Date Recorded | 20/07/2021 | | |
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| Tartan Name | Coats (New Zealand) | | | | Category | Name
| Reference | 10871 | | Designer | Coats, D & W B | | | | Date Recorded | 02/08/2013 | | |
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| Tartan Name | Cobourg | | | | Category | District
| Reference | 11721 | | Designer | Wilton, Brian | | | | Date Recorded | 24/02/2017 | | |
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| Tartan Name | Cobry | | | | Category | Corporate
| Reference | 14082 | | Designer | Halley, Brian; Slanj Kilts | | | | Date Recorded | 17/10/2023 | | |
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| Tartan Name | Coburg | | | | Category | Fashion
| | | | Designer | Wilsons of Bannockburn | STA Ref | 3860 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Coca Cola | | | | Category | Corporate
| | | | Designer | Not Specified | STA Ref | 7525 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Cochrane | | | | Category | Clan/Family | | | | Designer | Not Specified | STA Ref | 994 | | Date Recorded | Not Specified | STWR Ref | 994 |
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| Tartan Name | Cochrane (1974) | | | | Category | Clan/Family | | | | Designer | Not Specified | STA Ref | 977 | | Date Recorded | Not Specified | STWR Ref | 977 |
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| Tartan Name | Cochrane (1984) | | | | Category | Clan/Family | | | | Designer | Not Specified | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 978 |
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| Tartan Name | Cochrane Azure | | | | Category | Clan/Family | | | | Designer | Not Specified | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 485 |
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| Tartan Name | Cochrane Hunting | | | | Category | Clan/Family | Reference | 11165 | | Designer | 15th Earl of Dundonald | | | | Date Recorded | 10/11/2014 | | |
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| Tartan Name | Cockburn | | | | Category | Clan/Family | | | | Designer | Not Specified | STA Ref | 4548 | | Date Recorded | Not Specified | STWR Ref | none |
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