Names Ending in -ian for Boys

Boy names ending in ian include dozens of popular choices, led by Sebastian.

Along with Sebastian, other boy names ending in ian in the US Top 300 include Julian, Christian, Damian, Brian, and Killian.

Unique boy names ending in ian on our recommended list include Cyprian, Dorian, Finnian, Florian, and Osian.

All our boy names ending with the letters ian are collected here. The top names below rank among the current US Top 1000 Baby Names and are ordered by popularity. Unique names rank below the Top 1000 and are listed alphabetically.
  1. Caspian
    • Origin:

      Place name
    • Meaning:

      "white"
    • Description:

      One of the most romantic of appellations, Caspian is a geographical name referring to the large salty sea between Asia and Europe. It's also the name of the hero of C.S. Lewis's beloved Chronicles of Narnia, Prince Caspian.
  2. Sebastian
    • Origin:

      Latin from Greek
    • Meaning:

      "person from ancient city of Sebastia"
    • Description:

      Sebastian is an ancient martyr's name turned literary, and Little Mermaid hero—think Sebastian the Crab—that's more popular than ever, as a classic-yet-unconventional compatriot for fellow British favorites T Theodore and Oliver.
  3. Julian
    • Origin:

      English from Latin, variation of Julius
    • Meaning:

      "youthful, downy-bearded, or sky father"
    • Description:

      Cool and charming, with plenty of flair and sophistication, Julian manages to strike the balance between being a sensible classic and contemporary choice. Appealingly international, it is no wonder Julian is a rising star.
  4. Cassian
    • Origin:

      Latin, variation of Cassius
    • Meaning:

      "hollow"
    • Description:

      Rugged but gentle at the same time, Cassian is a saintly and stylish choice that was derived from the name Cassius. Before 2017, it was an obscure choice, given to a tiny handful of boys each year. As of 2023, however, it's become one of the top ten fastest-rising names in the US, more than doubling in usage since 2022 and edging closer towards the Top 500.
  5. Florian
    • Origin:

      Latin
    • Meaning:

      "flowering"
    • Description:

      If Flora and Florence have returned full force, Florian, with its trendy Latinate ending, could also have a chance. Popular in Germany, Austria, Switzerland, Poland, and France, St Florian was the venerated patron saint of those in danger from water and the patron saint of firefighters.
  6. Lucian
    • Origin:

      Latin
    • Meaning:

      "light"
    • Description:

      Lucian is a sleeker, more sophisticated version of Lucius that is climbing in tandem with other Lu-starting names.
  7. Cillian
    • Origin:

      Irish
    • Meaning:

      "war strife or church"
    • Description:

      Cillian is one of the native Irish names that, along with Aiden and Declan, is becoming an unlikely favorite in contemporary America. The Killian spelling has been more popular in the US, but Cillian's star is rising, perhaps thanks to Irish actor Cillian Murphy, star of Oppenheimer and Peaky Blinders.
  8. Dorian
    • Origin:

      Greek, name of a tribe
    • Description:

      The Dorians were an ancient Greek tribe, one of the three major pre-Spartan tribes. It literally means "of Doris," a Greek district, or "of Doros," referring to the son of Helen of Sparta. Dorian derives from the Greek doron, meaning "gift," along with related names such as Dorothy and Dora.
  9. Adrian
    • Origin:

      Latin
    • Meaning:

      "man of Adria"
    • Description:

      Adrian is one of those names that’s easy to picture on all kinds of people. From an active and energetic five-year-old to your great grandpa, from the coolest, breeziest guy you know, to the quiet, serious one, it’s no wonder Adrian has always made the US Top 500 since the early 20th century.
  10. Ian
    • Origin:

      Scottish version of John
    • Meaning:

      "God is gracious"
    • Description:

      Ian is Scottish form of John, derived from the Hebrew name Yohanan. It is an Anglicization of the Scottish Gaelic Iain, which is also a viable spelling. Ian was introduced to Americans by Ian Fleming, creator of James Bond.
  11. Brian
    • Origin:

      Irish
    • Meaning:

      "strong, virtuous, and honorable"
    • Description:

      The origins of the name Brian are not entirely clear, but it is suspected that it evolved from an Old Celtic word related to nobility. In Ireland the name is associated with Brian Boru, the most famous of all Irish warrior-kings, credited with driving the Vikings out of Ireland around the year 1000.
  12. Damian
    • Origin:

      Greek
    • Meaning:

      "to tame, subdue"
    • Description:

      Damian has sidestepped its demonic horror movie overtones, leaving a basically friendly and charming Irish image. A well-used upper-class name in England, it is growing in popularity here.
  13. Killian
    • Origin:

      Irish
    • Meaning:

      "war strife or church"
    • Description:

      Killian – aka Cillian – is a spirited yet resonant Gaelic name that was borne by several Irish saints and could make a distinctive replacement for the dated Kelly. Kylian is another spelling that's gaining traction, thanks to French soccer star Kylian Mbappé. Possible downsides: an unsavory first syllable and a connection to the trendy brew.
  14. Kian
    • Origin:

      Irish; Persian
    • Meaning:

      "ancient; king"
    • Description:

      A friendly Irish and Persian name chosen by Geena Davis for one of her twin boys, whose father is Iranian.
  15. Kylian
    • Origin:

      Spelling variation of Cillian or Killian, Irish
    • Meaning:

      "war strife or church"
    • Description:

      The Kylian spelling of this popular Irish name was introduced to the lexicon by French soccer star Kylian Mbappé. Kylian entered the US Top 1000 a few years ago and is trending upwards.
  16. Maximilian
    • Origin:

      Latin
    • Meaning:

      "greatest"
    • Description:

      This name once seemed a bit grand and pompous for an American baby boy, but a significant number of parents are now preferring it as a substantial platform for the nickname Max, among them Jennifer Lopez and Marc Anthony, who chose it for their twin son.
  17. Finnian
    • Origin:

      Irish
    • Meaning:

      "fair"
    • Description:

      Finnian is a fair jig of a name, energetic and easy on the ear. Finnian (and brother Finian) is also familiar in its alternate spelling through the classic 1968 Broadway musical Finian's Rainbow, later made into a film starring Fred Astaire as Finian McLonergan.
  18. Christian
    • Origin:

      Greek or English from Latin
    • Meaning:

      "anointed one or follower of Christ"
    • Description:

      The name Christian has fallen a bit from its 90's and 00's heights, but it's still quite popular. Once considered overly pious, Christian is now seen as making a bold statement of faith by some, while also having secular appeal for others. Christian's enduring popularity may be influenced by such celebrities as Christian Slater and Christian Bale, not to mention the fashion world's Dior, Lacroix, Louboutin and Audigier.
  19. Cian
    • Origin:

      Irish
    • Meaning:

      "ancient"
    • Description:

      A handsome Irish name for boys, very popular in that country, but in the US this traditional spelling might cause pronunciation problems. Still, whether Cian or Kian, it's simple and straightforward enough for the initiated. Cian is rising in the British popularity charts. This was the name of several legendary figures, including Cian, son of the god of medicine. His own son was Lugh, the sun god and father of the Ulster warrior Cuchulain and Cian is also the name of the son-in-law of the high king Brian Boru. So very well connected.
  20. Bastian
    • Origin:

      Diminutive of Sebastian, Latin from Greek
    • Meaning:

      "man of Sebastia"
    • Description:

      In Spanish cultures, and spelled either Bastian or Bastien, this is a fairly common nickname name. The German fantasy children's book The Neverending Story features a young boy character called Bastian Balthlazar Bux, and it has also been seen in several screen versions.