When was Niamh most popular?

The name Niamh reached its peak popularity during the 2000s.

What are the origins of the name Niamh Castro?

The name Niamh Castro combines two different traditions: the first name Niamh has Celtic roots, while the surname Castro originates from Spanish.

Niamh Castro — 480K & 184K bearers

Niamh Castro is a name that combines Celtic origins. The first name Niamh is a feminine given name of Celtic origin. From Irish Gaelic Niamh, meaning 'bright' or 'radiant.' In Irish mythology, Niamh of the Golden Hair was a princess of Tír na nÓg (Land of Eternal Youth). The surname Castro: Castro is a Portuguese and Galician surname popular in Spanish and Portuguese speaking countries, coming from Latin castrum, meaning a castle or fortress. Its English equivalent is Chester. As of 2014, 19.2% of all known bearers of the surname Castro were residents of Mexico (frequency 1:254), 12.0% of Colombia (1:157), 10.0% of Brazil (1:801), 6.8% of the Philippines (1:583), 6.3% of the United States (1:2,249), 5.2% of Argentina (1:325), 4.8% of Peru (1:261), 4.7% of Spain (1:387), 4.0% of Venezuela (1:299), 3.9% of Chile (1:179), 3.0% of Ecuador (1:206), 2.6% of Honduras (1:134), 2.4% of Gu. Niamh is a well-known first name, carried by approximately 480K people globally, with the highest concentration in Ireland. The name Niamh reached peak popularity in the 2000s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Niamh

Meaning: bright, radiant

Celtic

From Irish Gaelic Niamh, meaning 'bright' or 'radiant.' In Irish mythology, Niamh of the Golden Hair was a princess of Tír na nÓg (Land of Eternal Youth).

Surname: Castro

Spanish

Castro is a Portuguese and Galician surname popular in Spanish and Portuguese speaking countries, coming from Latin castrum, meaning a castle or fortress. Its English equivalent is Chester. As of 2014, 19.2% of all known bearers of the surname Castro were residents of Mexico (frequency 1:254), 12.0% of Colombia (1:157), 10.0% of Brazil (1:801), 6.8% of the Philippines (1:583), 6.3% of the United States (1:2,249), 5.2% of Argentina (1:325), 4.8% of Peru (1:261), 4.7% of Spain (1:387), 4.0% of Venezuela (1:299), 3.9% of Chile (1:179), 3.0% of Ecuador (1:206), 2.6% of Honduras (1:134), 2.4% of Gu.

Geographic Distribution

The first name Niamh is distributed across the globe, with the highest concentrations in the following countries:

Ireland 43%

United Kingdom 39%

Australia 13%

United States 5%

Popularity Over Time

Popularity of the name Niamh by decade, based on birth registration data:

1900s

1910s

1920s

1930s

1940s

1950s

1960s

1970s

1980s

1990s

2000s

2010s

2020s

Name Variants & Related Names

The name Niamh has several variants and related forms across different languages and cultures:

Neve
Nieve
Niamh

Notable People Named Niamh Castro

People listed above share this name. Listed for informational purposes only. Source: Wikipedia.

Numerology

According to Pythagorean numerology, each letter in a name carries a numerical value. Here are the key numbers for Niamh Castro:

4

Expression Number

Stability and hard work. Represents practicality, reliability and dedication — someone who builds solid foundations.

8

Soul Urge Number

Ambition and material success. Represents power, business acumen and the drive to achieve significant goals.

5

Personality Number

Freedom and adaptability. A dynamic, versatile personality that embraces change and seeks new experiences.

Numerology is a cultural tradition for exploring symbolism in names. Results are for entertainment purposes.

Frequently Asked Questions

What is the origin of the first name Niamh?: The first name Niamh originates from Celtic. From Irish Gaelic Niamh, meaning 'bright' or 'radiant.' In Irish mythology, Niamh of the Golden Hair was a princess of Tír na nÓg (Land of Eternal Youth).
When was Niamh most popular?: The name Niamh reached its peak popularity during the 2000s.
What is the origin of the surname Castro?: The surname Castro originates from Spanish. Castro is a Portuguese and Galician surname popular in Spanish and Portuguese speaking countries, coming from Latin castrum, meaning a castle or fortress. Its English equivalent is Chester. As of 2014, 19.2% of all known bearers of the surname Castro were residents of Mexico (frequency 1:254), 12.0% of Colombia (1:157), 10.0% of Brazil (1:801), 6.8% of the Philippines (1:583), 6.3% of the United States (1:2,249), 5.2% of Argentina (1:325), 4.8% of Peru (1:261), 4.7% of Spain (1:387), 4.0% of Venezuela (1:299), 3.9% of Chile (1:179), 3.0% of Ecuador (1:206), 2.6% of Honduras (1:134), 2.4% of Gu.
What are the origins of the name Niamh Castro?: The name Niamh Castro combines two different traditions: the first name Niamh has Celtic roots, while the surname Castro originates from Spanish.