The story behind Declan
From Old Irish Declán, whence the modern Irish equivalent Deaglán.
Pronunciation
English; dialect unspecified: /ˈdɛklən/
Popularity
Declan ranked #6606 in US for 2025.
Source: SSA national baby names
Names Similar to Declan
Aeddan
a male given name from Old Irish áed (“fire”), equivalent to English Aidan, Irish Áedan or Aodhán, or Latin Aidanus
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends N
- same syllable count
- similar length
Alban
From Latin Albānus (“resident of Alba”) (a mountain region and an ancient city of Latium). From Scottish Gaelic Alba.
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends N
- same syllable count
- similar length
Bjólan
From Old Norse Bjólan, from Middle Irish Beóllán.
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends N
- same syllable count
- similar length
Brandán
Borrowed from Irish Bréanainn (via Latin Brendanus), from Old Irish Brénainn, from Old Welsh breenhin (“prince, king”), ultimately from Proto-Celtic *brigantīnos (“(someone)…
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends N
- same syllable count
- similar length
Cailean
From a dialectal form of cuilean (“pup, youth, trickster”), from Middle Irish Cuilén, from Old Irish cuilén (“pup, cub”), from Proto-Celtic *kolignos (“whelp”), possibly of…
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends N
- same syllable count
- similar length
Caoimhín
From Old Irish Cóemgen. By surface analysis, caomh (“dear”) + -ín. Compare Serbo-Croatian Dragan.
- Gender
- masculine
- Syllables
- 2 syllables
- Ending
- ends N
- same syllable count
- similar length
Middle Names for Declan
Adhamhnán
From Old Irish Adomnán (“little Adam”).
- Gender
- masculine
- Syllables
- 3 syllables
- Ending
- ends N
- balanced syllable contrast
- good length contrast
Áine
A derivative of Old Irish án (“bright, brilliant; splendid, noble”).
- Gender
- feminine
- Syllables
- 1 syllable
- Ending
- ends E
- balanced syllable contrast
- good length contrast
Alastar
From Old Irish Alaxander, borrowed from Latin Alexander, from Ancient Greek Ἀλέξανδρος (Aléxandros), from ἀλέξω (aléxō, “to defend”) + ἀνδρός (andrós), genitive of ἀνήρ (anḗr,…
- Gender
- masculine
- Syllables
- 3 syllables
- Ending
- ends R
- balanced syllable contrast
- good length contrast
Sibling Names for Declan
Áine
A derivative of Old Irish án (“bright, brilliant; splendid, noble”).
- Gender
- feminine
- Syllables
- 1 syllable
- Ending
- ends E
- shared origin connection
- balanced name length
Alastar
From Old Irish Alaxander, borrowed from Latin Alexander, from Ancient Greek Ἀλέξανδρος (Aléxandros), from ἀλέξω (aléxō, “to defend”) + ἀνδρός (andrós), genitive of ἀνήρ (anḗr,…
- Gender
- masculine
- Syllables
- 3 syllables
- Ending
- ends R
- shared origin connection
- balanced name length
Aodh
From Old Irish Áed, from áed (“fire”). From Old Irish Áed, from áed (“fire”).
- Gender
- masculine
- Syllables
- 1 syllable
- Ending
- ends H
- shared origin connection
- balanced name length