What origin is the name Séamaisín?

Séamaisín comes from Irish naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

What are good sister names for Séamaisín?

Names from the same irish tradition pair naturally with Séamaisín — for example Riley, Nora, Keira. You can browse more on our irish names page.

Séamaisín

Discover the meaning and origin of the name Séamaisín

Séamaisín

Boy

Irish

3 syllables

Séamaisín is an Irish boy's name meaning "A diminutive form of James, meaning supplanter.".

Parents who choose Séamaisín pick a boy name from the Irish tradition, meaning "A diminutive form of James, meaning supplanter.". At 9 letters it is a longer name, which leaves room for a nickname. It has 3 syllables.

Origin: Irish
Gender: Boy
Syllables: 3

Last updated 24 October 2026.

Meaning

A diminutive form of James, meaning supplanter.

Popularity

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Quick answers about Séamaisín

What does Séamaisín mean?

Séamaisín is a boy name of Irish origin meaning "A diminutive form of James, meaning supplanter.".

How popular is Séamaisín?

We have no birth-record ranking for Séamaisín: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.

Sister names that go with Séamaisín

Riley Nora Keira Erin Fiona Ciara

How to say Séamaisín

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Name numerology

9is the Chaldean number for Séamaisín.

Number 9 is linked with compassion, generosity and idealism.

More names with number 9

Numerology is a cultural tradition for fun, not a prediction.

Combine Séamaisín with another name

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Names with a similar meaning to Séamaisín

Séamaisín means "A diminutive form of James, meaning supplanter." — these names share that spirit.

Liam — "Liam is the Irish short form of William, from Germanic words meaning 'will' and 'helmet', so 'resolute protector'." (Irish)
Isabella — "Isabella is the Italian and Spanish form of Elizabeth, from the Hebrew Elisheva, meaning 'my God is an oath' or 'pledged to God'." (Hebrew)
James — "James comes from the Late Latin Iacomus, a form of Jacob, from the Hebrew Ya'aqov, 'holder of the heel'. Two apostles bore it." (Hebrew)
Charlotte — "Charlotte is the French feminine form of Charles, from the Germanic karl, meaning 'free man'." (French)
Amelia — "Amelia comes from the Germanic amal, meaning 'work' or 'industrious'. It is also used as a form of Emilia." (German)
Lucas — "Lucas is the Latin form of Luke, from the Greek Loukas, meaning 'man from Lucania', a region of southern Italy." (Greek)
Avery — "Avery is an English surname from the Norman form of Alberich, a Germanic name meaning 'elf ruler'." (English)
Ella — "Ella comes from the Germanic element alia, meaning 'other' or 'all'. It is also used as a short form of Eleanor and Ellen." (English)