An Adaiah mentioned in passing as the ancestor of a Levite named Asaph, in 1 Chronicles 6:41 (counted as 6:26 in some Bibles).
An Adaiah mentioned in 1 Chronicles 8:21 as being the son of a Shimei in a Benjamite genealogy.
A priest listed in 1 Chronicles 9:12 and Nehemiah 11:12. According to Cheyne and Black, it is possible that this same priest should appear in Nehemiah 12:6 or 7, but has been removed by a scribal error that left the name "Jedaiah" in its place.