The phrase “St Martin’s at St Chad’s” does not correspond to a widely recognized institution, location, or concept documented in reliable encyclopedic sources. No notable church, school, parish, or historic site bearing this combined name appears in standard reference works or major databases.
Possible interpretation
The wording suggests a reference to a dedication or affiliation involving two saints—St Martin of Tours and St Chad (also known as St Ceadda, a 7th‑century bishop of Lichfield). It could conceivably be used informally to describe a chapel, altar, or community group that honors both saints, or a building situated near a primary dedication to St Chad that houses a subsidiary chapel named after St Martin. However, without verifiable documentation, such usage remains speculative.
Conclusion
Given the lack of verifiable, encyclopedic information, “St Martin’s at St Chad’s” is not an established term in the public record. Further research in local historical archives or specific institutional records would be required to determine any particular usage.