Wikipedia
Flodday
There are many small islands in Scotland called Flodday ( Scots Gaelic: Flodaigh) or similar and this list provides a guide to their location. The derivation of the name is from the Old Norse floti meaning 'raft' or 'float'. The similar island names Fladda and Flotta are also from the Norse flatr and mean 'flat island'. Usage is not always consistent in external sources.
Flodday (Sound of Barra)
Flodaigh or Flodday is an island to the north east of Barra in the Sound of Barra, Outer Hebrides, Scotland. Its name derives from the Old Norse for "flat island".