Seonaid is the Archivist at Tasglann nan Eilean, the archive service of Comhairle nan Eilean Siar – the local authority which serves the Outer Hebrides. As well as running the public archive service, part of her role involves offering advice and support to the network of thirty comainn eachdraidh (local historical societies) and community heritage organisations throughout the islands in regard to caring for their archives.