Man of prayer or full of goodness
Deklyn is a modern Americanized spelling of the traditional Irish name Declan. It is derived from the Gaelic name DeaglΓ‘n, which was borne by a 5th-century saint who founded a monastery in Ardmore.
Less common today
Deklyn isn't in the latest US Top 1000. It last peaked at #1,980 in 2015.
US births per 5-year period, 1990βpresent (SSA data).