9 Letter Boy Names

Justinian is a masculine name of Latin origin, drawing its heritage from the illustrious Byzantine Emperor Justinian I, who ruled from 527 to 565 CE and was known for his significant legal reforms and architectural achievements like the Hagia Sophia. The name derives from the Latin 'iustus,' meaning 'just' or 'righteous,' with the suffix adding a sense of belonging or connection. Justinian conveys strength, wisdom, and moral integrity, making it an excellent choice for parents drawn to names with historical gravitas and positive character associations. While relatively uncommon, Justinian offers the familiar nicknames 'Justin' or 'Justo' for everyday use, combining accessibility with distinguished historical roots.

Justinian

Kokopelli is a Native American fertility deity worshipped by Southwestern tribes. He is commonly portrayed playing the flute with a hunched back, on which he is said to carry infants. David "Puck" Rainey used Kokopelli as the middle name for his son Rocco. 

Kokopelli

Zebedijah is a masculine name with Hebrew origins, representing an expanded form of Zebedee. In biblical contexts, Zebedee was the father of the apostles James and John, with the name derived from Hebrew 'Zevadyah' meaning 'gift of God' or 'God has bestowed.' This elaborate variant adds grandeur to the traditional name, creating a distinctive biblical option. Though exceedingly rare, Zebedijah offers appealing nickname possibilities including Zeb, Dijah, or Jed. The name carries strong religious connotations and an impressive, somewhat formal quality. Its rarity combined with biblical roots makes it suitable for parents seeking a name with spiritual significance and a commanding presence while avoiding more common biblical choices.

Zebedijah

The Greek St. Stylianos is the patron saint of children. Molly Ringwald used it as the middle name for her son Roman.

Stylianos

This herb is also known as cilantro. It's meaning, "bed bug" is on account of its smell, characterized by the ancient Greeks as bed bug-like.

Coriander

Lodewikus

Androgeus was a Cretan prince—the son of King Minos. He is known for being murdered in Athens, although the way in which he died is contested. 

Androgeus

A daring choice with a sweet and sea-inspired meaning, Deucalion appears in Greek mythology multiple times. Most noteworthy perhaps are Deucalion the son of Prometheus, who, along with his wife Pyrrha, survives a great flood sent by Zeus, and Deucalion the soldier, killed by Achilles to avenge Patroclus.
 
Some sources suggest the name is a blending of the elements deukos meaning "sweet, sweet wine" and haliéus meaning "sailor, fisherman", while others suggest it stems from deuo meaning "drenched, wet" — both of which could work in regards to the mythology.
 
The name has appeared sporadically in the US stats since 2014, given to a very small handful of boys.

Deucalion

Siguröur is a masculine Icelandic name, which appears to be a variant of Sigurður. The name derives from Old Norse elements 'sigr' meaning 'victory' and 'varðr' meaning 'guardian' or 'defender'. In Icelandic naming tradition, it embodies strength and protection. Sigurður is one of Iceland's traditional names with historical significance, connected to Norse mythology and sagas. The name has remained a staple in Icelandic culture for centuries, though this specific variant with the special character 'ö' is less common internationally. Like many traditional Icelandic names, it follows patronymic naming conventions and carries cultural significance that connects modern Icelanders to their Viking heritage.

Siguröur

Matthías is a masculine name of Icelandic origin, a variation of Matthew, which derives from the Hebrew name Mattityahu, meaning 'gift of Yahweh' or 'gift of God.' Popular in Iceland and other Nordic countries, this distinctive spelling adds a touch of Nordic heritage to the classic biblical name. The name carries strong historical significance as Matthew was one of Jesus's twelve apostles in the New Testament. Matthías combines traditional religious roots with Scandinavian cultural elements, making it both meaningful and distinctive. The name remains moderately popular in Iceland while being relatively uncommon elsewhere, giving it a unique appeal for parents seeking a name with biblical foundations but distinctive spelling.

Matthías

Aethelred

Jung-hoon

Jeong-hun

Sung-hoon

Originally a nickname, this has become a given name in Sweden, albeit rare. It's much more common as a middle, however.

Lillebror

A virtuous surname which has occasionally been used as a unisex given name, as in the case of Vanity Fair author William Makepeace Thackeray.

Makepeace

A wild word name, associated with risk taking, thrill, discovery, and exploration, Adventure has yet to appear in the US stats, though in a recent year, Venture was chosen for 16 boys and Quest for 70. Content creators Cory Worldd and Lea Charlotte named their son Adventure in 2025. 

Adventure

Skyrocket

Zaccariah is a masculine name representing a less common spelling variation of Zechariah or Zachariah, which have Hebrew origins meaning 'God has remembered.' This distinctive spelling combines elements of both traditional forms while adding a unique touch with the double 'c.' The biblical Zechariah was a prophet whose writings appear in the Old Testament, giving the name strong religious significance across Jewish and Christian traditions. While not as widely used as Zachary or Zach, Zaccariah offers parents a way to honor religious heritage while providing a slightly more distinctive full name. The name has never reached high popularity rankings in its current spelling, maintaining its relatively uncommon status while still being recognizable in pronunciation.

Zaccariah

Justinius is a masculine name with ancient Roman roots, representing an elaborate form of Justin. Derived from the Latin name Justinus, itself from "justus" meaning "just" or "fair," Justinius carries connotations of righteousness, integrity, and moral character. This rare name has a scholarly, classical appeal that evokes images of Roman philosophers and early Christian saints. Unlike the more common Justin, Justinius has never achieved widespread usage, remaining an exceptionally uncommon choice. Its elaborate Latin ending gives it a distinctly historical and somewhat formal character. Those bearing this name might appreciate its connection to justice and its distinguished historical resonance. For parents interested in classical names with strong ethical implications, Justinius offers an uncommon alternative with substantial gravitas and intellectual associations.