Lucas
/L-UW-K-AH-S/
From Greek Loukas (man from Lucania; or from Latin lux, light).
See Lucas scored for your familyMeaning & origin
Lucas is a boy's name of Greek origin, traditionally used in Christian families. The name means "From Greek Loukas (man from Lucania; or from Latin lux, light)." and belongs to the Light cluster — names meaning radiance, illumination, and hope.
Beyond its Christian heritage, Lucas is also used in Atheist traditions, reflecting how this name has traveled across cultures.
Common among European, British, American, Latino, Greek families, Lucas carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
Numerology of Lucas
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Lucas resonates in either tradition.
How Lucas sounds
NameRoot scores the phonetic fit of every name against the sound of your last name. The pronunciation of Lucas breaks down into 5 phonemes: /L-UW-K-AH-S/. In the app, you'll see how those sounds flow with your family name across rhythm, stress, and consonant clusters.
Nicknames
Common affectionate forms of Lucas — useful for everyday family conversation, early childhood, or as standalone given names themselves.
The six signals, applied to Lucas
NameRoot scores every name across six independent dimensions. Here's how Lucas maps to each — install the app to see the full compatibility score for your specific family.
Names similar to Lucas
If Lucas resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in European families
Sharing the same meaning
Other Christian boy names from the Light cluster
Names that sound similar
Christian boy names that open with the same syllables as Lucas
Common questions about Lucas
What does the name Lucas mean?
Lucas means "From Greek Loukas (man from Lucania; or from Latin lux, light).." It is a boy name of Greek origin, traditionally used in Christian families.
Is Lucas a boy or girl name?
Lucas is most commonly used as a boy name.
What is the origin of the name Lucas?
Lucas is of Greek origin, used in Christian, Atheist traditions, commonly among European, British, American families.
What are common nicknames for Lucas?
Common short forms of Lucas include Luke, Lucky.
What is the numerology of Lucas?
Lucas has a Pythagorean destiny number of 11 — intuition and inspired leadership (master number).
See how Lucas scores for your family
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