Casey Sierra

Name meaning, origin and global statistics

Casey Sierra — Celtic
45K People worldwide
United States Most common in
1970s Peak popularity
Gender
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Casey Sierra is a name that combines Celtic origins. The first name Casey is a feminine given name of Celtic origin. Casey is a given name, originally derived from the Irish Gaelic cathasaigh, meaning "vigilant" or "watchful". It can be used as a nickname for the name Cassandra or the initials K.C. It is in use for girls or boys in both the United States, the United Kingdom and other English-speaking countries. It has ranked among the 1,000 most used names for American boys between 1900 and 1919 and again from 1942 to 2022. It was the 336th most popular name for boys born in the United States in 2022. The surname Sierra: Sierra is both a surname and a feminine given name. It is the Spanish word for saw or mountain range. It originates from the Galicia and Asturias regions of northern Spain. Surname Álvaro Sierra (born 1967), Colombian road cyclist Andrea Sierra (born 1998), Spanish footballer Arlene Sierra (born 1970), American classical composer Gabriel Sierra (born 1975), Colombian visual artist Javier Sierra (born 1971), Spanish journalist Jessica Sierra (born 1985), American Idol 4 contestant José David Sierra (born 1980), Puerto Rican drag queen also known as Jessica Wild José Luis Sierra (born 1968), Chi. Casey is a distinctive first name, carried by approximately 45K people globally, with the highest concentration in United States. The name Casey reached peak popularity in the 1970s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Casey

Celtic

Casey is a given name, originally derived from the Irish Gaelic cathasaigh, meaning "vigilant" or "watchful". It can be used as a nickname for the name Cassandra or the initials K.C. It is in use for girls or boys in both the United States, the United Kingdom and other English-speaking countries. It has ranked among the 1,000 most used names for American boys between 1900 and 1919 and again from 1942 to 2022. It was the 336th most popular name for boys born in the United States in 2022.

Surname: Sierra

Meaning: mountain range

Spanish

Sierra is both a surname and a feminine given name. It is the Spanish word for saw or mountain range. It originates from the Galicia and Asturias regions of northern Spain. Surname Álvaro Sierra (born 1967), Colombian road cyclist Andrea Sierra (born 1998), Spanish footballer Arlene Sierra (born 1970), American classical composer Gabriel Sierra (born 1975), Colombian visual artist Javier Sierra (born 1971), Spanish journalist Jessica Sierra (born 1985), American Idol 4 contestant José David Sierra (born 1980), Puerto Rican drag queen also known as Jessica Wild José Luis Sierra (born 1968), Chi.

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Geographic Distribution

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

United States 52%
United Kingdom 27%
Australia 12%
Canada 9%

Popularity Over Time

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

1900s
1910s
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
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Numerology

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

6
Expression Number

Nurturing and responsibility. Associated with care, family values and a strong sense of duty towards loved ones.

3
Soul Urge Number

Creativity and self-expression. Associated with artistic flair, optimism and sociability — a natural communicator.

3
Personality Number

Creativity and self-expression. Associated with artistic flair, optimism and sociability — a natural communicator.

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 Casey?
The first name Casey originates from Celtic. Casey is a given name, originally derived from the Irish Gaelic cathasaigh, meaning "vigilant" or "watchful". It can be used as a nickname for the name Cassandra or the initials K.C. It is in use for girls or boys in both the United States, the United Kingdom and other English-speaking countries. It has ranked among the 1,000 most used names for American boys between 1900 and 1919 and again from 1942 to 2022. It was the 336th most popular name for boys born in the United States in 2022.
When was Casey most popular?
The name Casey reached its peak popularity during the 1970s.
What is the origin of the surname Sierra?
The surname Sierra originates from Spanish. Sierra is both a surname and a feminine given name. It is the Spanish word for saw or mountain range. It originates from the Galicia and Asturias regions of northern Spain. Surname Álvaro Sierra (born 1967), Colombian road cyclist Andrea Sierra (born 1998), Spanish footballer Arlene Sierra (born 1970), American classical composer Gabriel Sierra (born 1975), Colombian visual artist Javier Sierra (born 1971), Spanish journalist Jessica Sierra (born 1985), American Idol 4 contestant José David Sierra (born 1980), Puerto Rican drag queen also known as Jessica Wild José Luis Sierra (born 1968), Chi.
What are the origins of the name Casey Sierra?
The name Casey Sierra combines two different traditions: the first name Casey has Celtic roots, while the surname Sierra originates from Spanish.
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