Full of goodness or man of prayer
Declen is a modern phonetic spelling variant of the traditional Irish name Declan. It is derived from the Gaelic name Deaglán, which is associated with Saint Declan, an early Irish missionary who founded a monastery in Ardmore. The name is often interpreted as meaning 'full of goodness' or 'man of prayer'.
Less common today
Declen isn't in the latest US Top 1000. It last peaked at #7,467 in 2015.
US births per 5-year period, 1990–present (SSA data).
