Kostantinos
A masculine name of Greek origin meaning "constant, steadfast, persevering".
Name Census estimates that about 230 living Americans carry the first name Kostantinos. The name is used almost exclusively for boys. The average person named Kostantinos today is around 38 years old, and the year with the single highest number of Kostantinos births was 1983 (12 babies).
This page is the full Name Census profile for Kostantinos. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
230
~ 1 in 1,490,236 Americans
Peak year
1983
12 babies that year
Average age
38
years old
2014 SSA rank
#13,183
Tracked since 1970
Popularity
Kostantinos: popularity over time
The SSA tracks Kostantinos from the 1970s through to the 2010s, spanning 5 decades of birth certificate data. The biggest single decade for the name was the 1970s, with 79 total registrations. Usage has dropped considerably from its 1970s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Kostantinos by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Kostantinos during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Kostantinos' live
Origin
Meaning and history of Kostantinos
The name Kostantinos is of Greek origin, deriving from the ancient Greek name Κωνσταντῖνος (Konstantinos), which itself is a combination of the words konstantia, meaning "steadfast" or "constant", and the suffix -inos, indicating origin or relationship. It is the Greek equivalent of the Latin name Constantinus, which was later adopted into other languages as Constantine.
The name Konstantinos gained widespread recognition and popularity due to its association with several influential historical figures, particularly the Roman emperor Constantine I (272-337 AD), also known as Constantine the Great. His adoption of Christianity and the subsequent Christianization of the Roman Empire played a pivotal role in the spread and acceptance of the name across Europe and the Mediterranean region.
One of the earliest recorded uses of the name Konstantinos can be found in the writings of the ancient Greek historian Polybius (c. 200-118 BC), who mentions a Konstantinos from the island of Lipara. Additionally, the name appears in various ancient Greek inscriptions and papyri from the Hellenistic and Roman periods.
Throughout history, several notable individuals have borne the name Konstantinos. Among them are Konstantinos VII Porphyrogenitos (905-959 AD), a Byzantine emperor known for his literary works and patronage of the arts; Konstantinos Palaiologos (1405-1453 AD), the last reigning Byzantine emperor before the fall of Constantinople to the Ottoman Empire; and Konstantinos Kavafis (1863-1933 AD), a renowned Greek poet whose works explored themes of sensuality, history, and philosophy.
Other famous individuals with the name Konstantinos include Konstantinos Karamanlis (1907-1998 AD), a Greek politician who served as Prime Minister of Greece and played a key role in the country's transition to democracy; Konstantinos Mitsotakis (1918-2017 AD), another Greek politician and former Prime Minister; and Konstantinos Apostolos Doxiadis (1913-1975 AD), a Greek architect and urban planner known for his contributions to the field of ekistics (the science of human settlements).
People
Kostantinos + last name combinations
How many people share a full name with Kostantinos as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with K
Other first names starting with K with a similar number of bearers.
FAQ
Kostantinos: questions and answers
How many people in the U.S. are named Kostantinos?
Name Census puts the figure at roughly 230 living Americans. We arrive at this by taking every SSA birth registration for Kostantinos going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 1,490,236 US residents.
Is Kostantinos a common name?
We classify Kostantinos as "Very Rare". It ranks above 76% of all first names in the SSA dataset by living bearers. Across the full history of the data, 241 babies have been registered with this name.
When was Kostantinos most popular?
The single biggest year for Kostantinos was 1983, when 12 babies received the name. The fact that the average living Kostantinos is about 38 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Kostantinos a male name?
Yes, 100.0% of people registered as Kostantinos in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.