Boy · #3,505 in 2026

Idus

The Roman calendar was used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is often used inclusively of the Julian calendar established by Julius Caesar in 46 BC.

Current Rank
#3,505
Peak Rank
#2,259 (1916)
Total Babies
165
5-Yr Trend
Stable
1905
First Year
1955
Last Year
1916
Peak Year
#2259
Peak Rank
165
Total Count
23
Years Active

Meaning & Origin of Idus

What this name means, where it came from, and how it has traveled across cultures.

The Roman calendar was used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is often used inclusively of the Julian calendar established by Julius Caesar in 46 BC.

Source: Wikipedia (CC BY-SA 3.0). Read more →

Origin & history
The remains of the Fasti Praenestini , containing the months of January, March, April, and December and a portion of February.

The Story of Idus

Idus first appeared in U.S. Social Security Administration records as a baby boy name in 1905, with 5 babies given the name that year. Its peak popularity came in 1916, when 12 Iduss were born — ranking #2,259 that year. As of 2026, Idus ranks #3,505 for baby boys with 6 births, with steady use. In total, more than 165 Iduss have been born in the U.S. since records began in 1880, spanning the 1900s through the 2020s.

Popularity Over Time

Popularity by State

ME
WA
MT
ND
MN
WI
MI
NY
VT
NH
MA
OR
ID
SD
IA
IL
IN
OH
PA
NJ
CT
RI
CA
NV
WY
NE
MO
KY
WV
VA
MD
DE
DC
UT
CO
KS
AR
TN
NC
SC
AK
AZ
NM
OK
LA
MS
AL
GA
HI
TX
FL
Top 10
11-50
51-100
101-500
500+
No data

Names that sound like Idus

Phonetically similar names — useful when Idus is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Idus

What does the name Idus mean?
The Roman calendar was used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is often used inclusively of the Julian calendar established by Julius Caesar in 46 BC.
How popular is Idus in 2026?
In 2026, Idus ranks #3,505 among boys' names in the U.S., with 6 babies given the name that year.
When was Idus most popular?
Idus reached its peak popularity in 1916, ranking #2,259 that year with 12 babies given the name.
In which U.S. states is Idus most popular?
Idus has historically been most popular in Georgia. Rankings vary year to year, but these states show the strongest concentration of births named Idus.
Is Idus a unisex name?
In U.S. Social Security records, Idus is primarily a boy's name. We don't have meaningful data for it as a girl's name.
What names go well with Idus?
Names that share a similar style or popularity range with Idus include Benno, Rankin, Erhardt. These pairings are based on rank proximity and naming era in U.S. data.

About the name Idus

Idus is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1905 and has accumulated 165 births in the dataset. Idus's peak popularity came in 1916 when it ranked #2,259. Use the chart and map above to compare Idus's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.