Miecislaus
A masculine name of Polish origin meaning "one who achieves glory".
Name Census estimates that about 0 living Americans carry the first name Miecislaus. The name is used almost exclusively for boys. The average person named Miecislaus today is around 0 years old, and the year with the single highest number of Miecislaus births was 1920 (5 babies).
This page is the full Name Census profile for Miecislaus. 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
- • Fewer than 100 living Americans are believed to carry the name Miecislaus. It is among the rarest names in the SSA records.
People living today
0
~ - Americans
Peak year
1920
5 babies that year
Average age
-
1920 SSA rank
#4,742
Tracked since 1920
Popularity
Miecislaus: popularity over time
Babies born per year
Decades
Miecislaus 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 Miecislaus during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 1920s | 5 | 0 | 5 |
Origin
Meaning and history of Miecislaus
The name Miecislaus is of Polish origin, derived from the Slavic elements "miec" meaning "to have" and "slawa" meaning "glory" or "fame." It is a masculine name that can be traced back to the early medieval period, around the 10th or 11th century.
One of the earliest recorded examples of the name Miecislaus is found in the Chronica Polonorum, a 12th-century chronicle written by Gallus Anonymus, which mentions a Polish ruler named Miecislaus I, who ruled in the 10th century. This suggests that the name was already in use among the Polish nobility and ruling class during that time.
Throughout the Middle Ages, the name Miecislaus was popular among the Polish aristocracy and was often borne by members of the Piast dynasty, which ruled Poland from the 10th to the 14th century. One notable figure was Miecislaus II, who ruled as Duke of Poland from 1025 to 1034.
The name Miecislaus also appears in religious and historical records from other parts of Europe. In the 11th century, a monk named Miecislaus is mentioned in the Annales Cambriae, a chronicle recording events in Wales and the surrounding areas.
Among the more famous historical figures with the name Miecislaus is Miecislaus III, also known as Mieczysław III Stary (Mieczysław the Old), who was the Duke of Greater Poland from 1179 to 1202. He is remembered for his efforts to strengthen and expand the Polish state during his reign.
Another notable figure was Miecislaus IV, Duke of Pomerania, who ruled from 1219 to 1294. He played a significant role in the Christianization of Pomerania and the expansion of Polish influence in the region.
In the 14th century, there was a Polish prince named Miecislaus, the son of Wladyslaw I the Elbow-high, who was briefly considered as a candidate for the Polish throne but ultimately did not ascend to the kingship.
It is worth noting that variations of the name, such as Mieczysław and Mieczyslaw, have also been used throughout Polish history, reflecting the evolution of the language and spelling conventions over time.
People
Miecislaus + last name combinations
How many people share a full name with Miecislaus 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
Miecislaus: questions and answers
How many people in the U.S. are named Miecislaus?
Name Census puts the figure at roughly 0 living Americans. We arrive at this by taking every SSA birth registration for Miecislaus 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 - US residents.
Is Miecislaus a common name?
We classify Miecislaus as "Very Rare". It ranks above 2.9% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Miecislaus most popular?
The single biggest year for Miecislaus was 1920, when 5 babies received the name. The fact that the average living Miecislaus is about 0 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Miecislaus in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Miecislaus a male name?
Yes, 100.0% of people registered as Miecislaus 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.
Is Miecislaus still being used today?
Yes. The SSA still recorded Miecislaus in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Miecislaus can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
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.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people share the name Miecislaus?
Want to know how many Americans are named Miecislaus? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.