Tatlayoko Lake: The History and Etymology of Its Name
The naming of geographic landmarks often involves a complex journey of translation, survey, and administrative standardization. The case of Tatlayoko Lake in British Columbia serves as a prime example of how early cartography and government nomenclature rules can lead to a permanent official name that diverges from its original linguistic roots.
The Early Mapping of the Region
The formal recording of the lake's name began in the late 19th century. In 1871, the first comprehensive map of British Columbia was published under the authority of Joseph Trutch. This map identified the body of water as Tatlahco Lake, a name closely aligned with the Tsilhqot'in term Telhiqox.
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Shortly thereafter, George Dawson conducted a geological survey of the area. In his 1878 report to the Geological Survey of Canada, he utilized the spelling Tatlayoco. Throughout the 1880s and 1890s, a duality in naming persisted: general maps of British Columbia continued to use variations of Tatlahco Lake, while scientific geological publications favored Dawson's Tatlayoco.
Standardizing Canadian Place Names
During this era, it was common for a single location to be referred to by multiple spellings. To resolve this inconsistency, the Geographic Board of Canada was established in 1897. The Board implemented a set of "Rules of Nomenclature" to standardize geographic names across the country.
These rules dictated that:
- The first published name should be preferred.
- Indigenous names should be spelled to approximate their true pronunciation.
- Redundant or unpronounced letters should be removed.
- Hard "c" sounds should be replaced with the letter "k".
The Path to the Official Name
Despite these guidelines, the official naming of Tatlayoko Lake was the result of a misunderstanding. The Geographic Board of Canada was unaware that the lake was originally named Tatlahco; they mistakenly believed Tatlahco referred to a tributary of the Bella Coola River.
The only record the Board was aware of was George Dawson's spelling, Tatlayoco. In 1911, the Board adopted this version as the official name, applying their rule to change the hard "c" to a "k," resulting in the current spelling: Tatlayoko.
Ironically, this decision contradicted several of the Board's own rules. Tatlahco had been published first and provided a more accurate approximation of the Tsilhqot'in pronunciation (TA-tla-ko). Under the strict application of the Rules of Nomenclature, the lake should have been officially respelled as Tatlako.
Key Facts
- Original Name: Tatlahco Lake (published 1871).
- Indigenous Root: Similar to the Tsilhqot'in word Telhiqox.
- Official Name: Tatlayoko (adopted in 1911).
- Naming Authority: The Geographic Board of Canada.
- The Error: The Board confused the lake's name with a tributary of the Bella Coola River.
Summary of Naming Evolution
| Year | Source/Authority | Spelling Used | Context |
|---|---|---|---|
| 1871 | Joseph Trutch | Tatlahco Lake | First comprehensive BC map |
| 1878 | George Dawson | Tatlayoco | Geological Survey of Canada |
| 1880s-90s | Various | Tatlahco / Tatlayoco | Mixed map and geological use |
| 1911 | Geographic Board of Canada | Tatlayoko | Official standardization |
Frequently Asked Questions
What is the Tsilhqot'in origin of the name?
The name is similar to the Tsilhqot'in word Telhiqox, which is reflected in the early spelling Tatlahco.
Why is the lake spelled Tatlayoko today?
The Geographic Board of Canada adopted George Dawson's 1878 spelling (Tatlayoco) in 1911 and changed the "c" to a "k" per their standardization rules.
Did the Geographic Board follow its own rules?
No. They ignored the rule of preferring the first published name (Tatlahco) and the rule of approximating true pronunciation because they mistakenly associated the name Tatlahco with a different location.
What would the name be if the rules were followed correctly?
Based on the Rules of Nomenclature and the original pronunciation (TA-tla-ko), the lake should have been officially named Tatlako.