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| Tartan Name | City of New Bern 300 | | | | Category | District
| Reference | 10034 | | Designer | Brian Dodds | | | | Date Recorded | 21/05/2009 | | |
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| Tartan Name | City of Pointe-Claire | | | | Category | District
| Reference | 10509 | | Designer | Lakeshore Weavers Guild | | | | Date Recorded | 16/11/2011 | | |
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| Tartan Name | City of Rome Pipe Band | | | | Category | District
| | | | Designer | Clark, Ken & Band members | STA Ref | 6697 | | Date Recorded | Not Specified | STWR Ref | 3068 |
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| Tartan Name | City of Sarnia | | | | Category | District
| Reference | 10494 | | Designer | Burnett's & Struth Scottish Regalia Ltd. | | | | Date Recorded | 27/09/2011 | | |
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| Tartan Name | Clack (Personal) | | | | Category | Name
| | | | Designer | Davidson, Mr J M | STA Ref | 3928 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Clackmannanshire | | | | Category | District
| Reference | 14429 | | Designer | Anderson, Ronan | | | | Date Recorded | 27/08/2024 | | |
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| Tartan Name | Clackson (Personal) | | | | Category | Name
| | | | Designer | Clackson, Dr Stephen Gregory | STA Ref | 5831 | | Date Recorded | Not Specified | STWR Ref | 2985 |
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| Tartan Name | Cladish | | | | Category | Fashion
| | | | Designer | Marton Mills | STA Ref | 6011 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Clan Cancer Support | | | | Category | Corporate
| Reference | 14188 | | Designer | The House of Edgar | | | | Date Recorded | 30/01/2024 | | |
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| Tartan Name | Clan Cupra Club | | | | Category | Corporate
| Reference | 13235 | | Designer | Kinloch Anderson Ltd | | | | Date Recorded | 20/07/2021 | | |
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| Tartan Name | Clan Films, The | | | | Category | Corporate
| Reference | 12867 | | Designer | Lemoine, Thomas | | | | Date Recorded | 07/07/2020 | | |
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| Tartan Name | Clan Hamilton Society | | | | Category | Clan/Family | Reference | 13703 | | Designer | Clan Hamilton Society | | | | Date Recorded | 29/11/2022 | | |
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| Tartan Name | Clan Harben Pty Ltd | | | | Category | Corporate
| Reference | 13917 | | Designer | Harris, Tony David & Bennett, Mark Peter | | | | Date Recorded | 06/06/2023 | | |
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| Tartan Name | Clan Inebriated | | | | Category | Corporate
| | | | Designer | Strawhun, Dennis | STA Ref | 7692 | | Date Recorded | Not Specified | STWR Ref | none |
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