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| Tartan Name | Somerset #2 | | | | Category | District
| | | | Designer | Not Specified | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 2760 |
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| Tartan Name | Sorrow (2018) | | | | Category | Name
| Reference | 12033 | | Designer | Sorrow, Russell S | | | | Date Recorded | 24/01/2018 | | |
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| Tartan Name | Soutar, P (Personal) | | | | Category | Name
| Reference | 12497 | | Designer | Ainsworth, Trudie | | | | Date Recorded | 21/05/2019 | | |
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| Tartan Name | Southwell (Personal) | | | | Category | Name
| | | | Designer | Johnston, Betty | STA Ref | 6744 | | Date Recorded | Not Specified | STWR Ref | 2780 |
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| Tartan Name | Souza Nery (Personal) | | | | Category | Name
| | | | Designer | Scottish Tartans Society | STA Ref | 2651 | | Date Recorded | Not Specified | STWR Ref | 2651 |
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| Tartan Name | Spar (UK) Ltd | | | | Category | Corporate
| | | | Designer | Lumsden, Keith | STA Ref | 2353 | | Date Recorded | Not Specified | STWR Ref | 2353 |
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| Tartan Name | Special 1 | | | | Category | Fashion
| | | | Designer | Lochcarron of Scotland | STA Ref | 4091 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Spencer (2013) | | | | Category | Name
| Reference | 10901 | | Designer | Spencer, Peter | | | | Date Recorded | 18/09/2013 | | |
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| Tartan Name | Spirit of 1994 | | | | Category | Fashion
| Reference | 10465 | | Designer | Oettle, Mike | | | | Date Recorded | 09/08/2011 | | |
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| Tartan Name | Spirit of Independence (Slanj) | | | | Category | Corporate
| Reference | 14977 | | Designer | Halley, Brian & Howson, Charlotte (House of Edgar) | | | | Date Recorded | 26/08/2025 | | |
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| Tartan Name | Spowart, N (Personal) | | | | Category | Name
| Reference | 15063 | | Designer | Nicolson Kiltmakers | | | | Date Recorded | 21/10/2025 | | |
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| Tartan Name | Sprott (2017) | | | | Category | Name
| Reference | 11956 | | Designer | Sprott, Gavin | | | | Date Recorded | 25/10/2017 | | |
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| Tartan Name | St. Lawrence #2 | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | 2540 | | Date Recorded | Not Specified | STWR Ref | 2540 |
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| Tartan Name | Staffa (Silk) | | | | Category | Other | | | | Designer | Unknown | STA Ref | 5891 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Staines (2013) | | | | Category | Name
| Reference | 10857 | | Designer | Staines, Terence Anthony | | | | Date Recorded | 11/07/2013 | | |
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| Tartan Name | Staley (2014) | | | | Category | Name
| Reference | 11185 | | Designer | Staley, Ian | | | | Date Recorded | 09/12/2014 | | |
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