Casey Monahan

Name meaning, origin and global statistics

Casey Monahan — Celtic
45K People worldwide
United States Most common in
1970s Peak popularity
Gender
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Casey Monahan 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 Monahan: Dan Monahan (born 1955), American actor Darren Monahan, American Chief Information Officer and Producer, Obsidian Entertainment David Monahan (born 1971), American actor Gordon Monahan (born 1956), Canadian musician and composer Matthew Monahan (born 1972), American artist based in Los Angeles Meghan Monahan (born 2001), American artist Pat Monahan (born 1969), American lead singer and songwriter for Train Patrick Monahan (comedian) (born 1976), Irish-Iranian stand-up comedian Sarah Monahan (born 1977), Australian actress William Monahan (born 1960), American screenwriter Garry Monahan (born 1. 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: Monahan

Irish

Dan Monahan (born 1955), American actor Darren Monahan, American Chief Information Officer and Producer, Obsidian Entertainment David Monahan (born 1971), American actor Gordon Monahan (born 1956), Canadian musician and composer Matthew Monahan (born 1972), American artist based in Los Angeles Meghan Monahan (born 2001), American artist Pat Monahan (born 1969), American lead singer and songwriter for Train Patrick Monahan (comedian) (born 1976), Irish-Iranian stand-up comedian Sarah Monahan (born 1977), Australian actress William Monahan (born 1960), American screenwriter Garry Monahan (born 1.

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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 Monahan:

11
Expression Number

Intuition and inspiration (Master Number 11). Amplifies spiritual awareness, creative vision and sensitivity.

5
Soul Urge Number

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

6
Personality Number

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

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 Monahan?
The surname Monahan originates from Irish. Dan Monahan (born 1955), American actor Darren Monahan, American Chief Information Officer and Producer, Obsidian Entertainment David Monahan (born 1971), American actor Gordon Monahan (born 1956), Canadian musician and composer Matthew Monahan (born 1972), American artist based in Los Angeles Meghan Monahan (born 2001), American artist Pat Monahan (born 1969), American lead singer and songwriter for Train Patrick Monahan (comedian) (born 1976), Irish-Iranian stand-up comedian Sarah Monahan (born 1977), Australian actress William Monahan (born 1960), American screenwriter Garry Monahan (born 1.
What are the origins of the name Casey Monahan?
The name Casey Monahan combines two different traditions: the first name Casey has Celtic roots, while the surname Monahan originates from Irish.
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