Masayuki
A Japanese masculine name meaning "righteous happiness" or "true prosperity".
Name Census estimates that about 8 living Americans carry the first name Masayuki. The name is used almost exclusively for boys. The average person named Masayuki today is around 101 years old, and the year with the single highest number of Masayuki births was 1920 (19 babies).
This page is the full Name Census profile for Masayuki. 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.
Key insights
- • The typical person named Masayuki is about 101 years old today, placing it firmly among the names of earlier generations. Most living Masayukis were born before 1935.
- • Fewer than 100 living Americans are believed to carry the name Masayuki. It is among the rarest names in the SSA records.
People living today
8
~ 1 in 42,844,292 Americans
Peak year
1920
19 babies that year
Average age
101
years old
1937 SSA rank
#3,851
Tracked since 1915
Popularity
Masayuki: popularity over time
The SSA tracks Masayuki from the 1910s through to the 1930s, spanning 3 decades of birth certificate data. The biggest single decade for the name was the 1920s, with 108 total registrations. Usage has dropped considerably from its 1920s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Masayuki 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 Masayuki during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Masayukis live
Origin
Meaning and history of Masayuki
The name Masayuki is of Japanese origin and dates back to the 8th century AD during the Nara period. It is a combination of the Japanese words "masa" meaning correct or true, and "yuki" meaning happiness or good fortune. Together, Masayuki conveys the meaning of "true happiness" or "righteous good fortune."
The name was initially used by the Japanese aristocracy and samurai class. One of the earliest recorded examples is Masayuki Sanada, a prominent samurai warrior who lived from 1547 to 1611. He served under the powerful Toyotomi clan and played a crucial role in various battles during the Sengoku period.
Masayuki Matsunaga, a Japanese poet and scholar from the 17th century, is also known for his contributions to the development of the Japanese poetic form known as haiku. He was born in 1639 and is remembered for his work in preserving and promoting traditional Japanese literature.
In the 19th century, Masayuki Tsubouci was a notable Japanese statesman and diplomat who played a significant role in the modernization of Japan during the Meiji Restoration. He was born in 1837 and served as the Minister of Foreign Affairs, contributing to the establishment of Japan's diplomatic relations with other countries.
Masayuki Kakefu, born in 1898, was a Japanese novelist and playwright known for his works addressing social issues and critiquing the rapid modernization of Japan during the early 20th century. His works, such as "The Crimson Glow" and "The River Sumida," provided insightful commentary on the changing societal landscape of the time.
Another notable figure with the name Masayuki is Masayuki Suo, a contemporary Japanese film director and screenwriter. Born in 1957, he is best known for his critically acclaimed films such as "Shall We Dance?" and "I Just Didn't Do It," which have gained international recognition for their unique storytelling and exploration of human relationships.
Notable bearers
Famous people named Masayuki
People
Masayuki + last name combinations
How many people share a full name with Masayuki as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with M
Other first names starting with M with a similar number of bearers.
FAQ
Masayuki: questions and answers
How many people in the U.S. are named Masayuki?
Name Census puts the figure at roughly 8 living Americans. We arrive at this by taking every SSA birth registration for Masayuki 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 42,844,292 US residents.
Is Masayuki a common name?
We classify Masayuki as "Very Rare". It ranks above 24.6% of all first names in the SSA dataset by living bearers. Across the full history of the data, 194 babies have been registered with this name.
When was Masayuki most popular?
The single biggest year for Masayuki was 1920, when 19 babies received the name. The fact that the average living Masayuki is about 101 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Masayuki a male name?
Yes, 100.0% of people registered as Masayuki 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.