Jeffrey Costello

Name meaning, origin and global statistics

Jeffrey Costello — peaceful pledge
887K People worldwide
United States Most common in
1970s Peak popularity
Gender
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Jeffrey Costello is a name that combines Germanic origins. The first name Jeffrey is a masculine given name of Germanic origin. Jeffrey is a common English given name, and a variant form of the name Geoffrey (itself from a Middle French variant of Godfrey, Gottfried). It has been argued that the common derivation of Middle French Geoffrey (or Geoffroy), Jeffery from Godfrey is mistaken, and that the names reflect two separate first Germanic elements god vs. gaut, which became conflated in Old High German by the end of the early medieval period. Outside of North America, Geoffrey is more common than Jeffrey. The surname Costello: Costello is a surname of Irish origin, which has been used as a stage name by Italians and others. The Irish surnames Costello and Costellow are anglicized forms of the Gaelic surname Mac Oisdealbhaigh, itself a Gaelicized form of an Anglo-Norman name. This was the first example of a Norman family assuming a Gaelic name. This surname has been mainly borne by a notable Irish family who claimed descent from Jocelyn de Angulo, an Anglo-Norman mercenary who accompanied Richard de Clare to Ireland in 1170 during the Anglo-Norman invasion of Ireland. Jeffrey is a well-known first name, carried by approximately 887K people globally, with the highest concentration in United States. The name Jeffrey reached peak popularity in the 1970s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Jeffrey

Meaning: peaceful pledge

Germanic

Jeffrey is a common English given name, and a variant form of the name Geoffrey (itself from a Middle French variant of Godfrey, Gottfried). It has been argued that the common derivation of Middle French Geoffrey (or Geoffroy), Jeffery from Godfrey is mistaken, and that the names reflect two separate first Germanic elements god vs. gaut, which became conflated in Old High German by the end of the early medieval period. Outside of North America, Geoffrey is more common than Jeffrey.

Surname: Costello

Italian

Costello is a surname of Irish origin, which has been used as a stage name by Italians and others. The Irish surnames Costello and Costellow are anglicized forms of the Gaelic surname Mac Oisdealbhaigh, itself a Gaelicized form of an Anglo-Norman name. This was the first example of a Norman family assuming a Gaelic name. This surname has been mainly borne by a notable Irish family who claimed descent from Jocelyn de Angulo, an Anglo-Norman mercenary who accompanied Richard de Clare to Ireland in 1170 during the Anglo-Norman invasion of Ireland.

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Geographic Distribution

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

United States 51%
United Kingdom 27%
Australia 12%
Canada 9%

Popularity Over Time

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

1900s
1910s
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
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Notable People Named Jeffrey Costello

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 Jeffrey Costello:

5
Expression Number

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

9
Soul Urge Number

Compassion and humanitarianism. A generous, idealistic nature with a sincere desire to improve the world.

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 Jeffrey?
The first name Jeffrey originates from Germanic. Jeffrey is a common English given name, and a variant form of the name Geoffrey (itself from a Middle French variant of Godfrey, Gottfried). It has been argued that the common derivation of Middle French Geoffrey (or Geoffroy), Jeffery from Godfrey is mistaken, and that the names reflect two separate first Germanic elements god vs. gaut, which became conflated in Old High German by the end of the early medieval period. Outside of North America, Geoffrey is more common than Jeffrey.
When was Jeffrey most popular?
The name Jeffrey reached its peak popularity during the 1970s.
What is the origin of the surname Costello?
The surname Costello originates from Italian. Costello is a surname of Irish origin, which has been used as a stage name by Italians and others. The Irish surnames Costello and Costellow are anglicized forms of the Gaelic surname Mac Oisdealbhaigh, itself a Gaelicized form of an Anglo-Norman name. This was the first example of a Norman family assuming a Gaelic name. This surname has been mainly borne by a notable Irish family who claimed descent from Jocelyn de Angulo, an Anglo-Norman mercenary who accompanied Richard de Clare to Ireland in 1170 during the Anglo-Norman invasion of Ireland.
What are the origins of the name Jeffrey Costello?
The name Jeffrey Costello combines two different traditions: the first name Jeffrey has Germanic roots, while the surname Costello originates from Italian.
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