Diddams Family History
Diddams Surname Meaning
Variant of Didham with post-medieval excrescent -s. Compare Thomas Didham 1773 Nicholas Diddams 1786 in
By folk etymology Diddams may have been altered somewhat earlier to Diddymouse and also to Didymus through false association with Didymus the latinized form of Greek didymos ‘twin’ an epithet of the apostle Thomas in the gospel of John (116).
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
