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“Variant of Declan — Traditionally believed to mean man of prayer or full of goodness” — Old Irish (via Declan) origin
Boy's name · #2399 in the US (2025) · 2010s
Deklan's best rank, #1053, came in 2018; it has settled back to #2399 today. Roughly 2,500 boys have been named Deklan since 1998. Deklan is a rare spelling of Declan — about 2% of babies given the name are written this way; Declan itself ranked #139 in 2025.
Appears in 2020-2025 birth records of 15 states. See the full state-by-state map on this page.
Similar names: Carsyn · Demari · Brysen · Keelan · Deegan · Finnian
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