Aldemar

Boys' name

English equivalent of Aylmer

Aldemar has been given to 5 babies in the U.S. since 1990. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1990, with 5 recorded.

Babies named Aldemar, 1990

1 in 790,000

Aldemar over time, 1880–2025

Boys

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Aldemar: meaning, origin, and history

English equivalent of Aylmer

Deeper origin not confirmed in the cited records

What Aldemar means

Aldemar is a English equivalent of Aylmer.

Origin, language, and formation

Aldemar is used in Dutch.

Related names and everyday forms

Related names include Aylmer.

American usage and historical context

In the United States, 5 boys were recorded with the name Aldemar between 1990 and 1990. Its highest annual count was 5 in 1990; its best national rank was #8,135 in 1990.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Aldemar?

Aldemar had fewer than 5 recorded uses in 2025, so these figures use 1990, the last year it was published.

Among all babies, 1990: 1 in 790,000; 5 of 3,949,959 births
Among boys only: 1 in 411,000; <0.01% of boys
Rank, 1990: Unranked; Fewer than 5 uses
Coin-flip room size: 547,582 kids; Even odds of a second one

Where Aldemar sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 1990 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%

Class of 30Under 1%

Grade of 100Under 1%

School of 500Under 1%

Put another way: gather 547,582 children born in 1990 and it's an even bet that one of them is another Aldemar. In a class of 30 the chance is Under 1%.

When Aldemars were born

Half of everyone ever recorded as Aldemar was born before 1990 — so the typical Aldemar is around 35 today.

Median birth year: 1990; About 35 years old
Biggest decade: 1990s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 5; People you could plausibly meet

Choose a decade

1990s — 100.0% of all recorded uses (5).

Is Aldemar rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago: —; Not ranked then
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 1990 (5)
Years since peak: 35; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #8,135; 1990

Spellings of Aldemar

Aldemar is not the most common spelling — Baldemar is, with 24.2% against Aldemar's 0.05%.

Baldemar24.2%2,256
Lemar20.3%1,895
Waldemar16.2%1,510
Alder14.6%1,363
Demar14.2%1,323
Valdemar10.3%964
Aldemar0.05%5

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Aldemar by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #8,135; 1990
Peak year: 1990; 5 that year
First recorded: 1990
Last recorded: 1990
All-time count: 5
Count in 2025: Under 5

Names similar to Aldemar

Matched on shared beginnings and endings, similar length, and comparable popularity.

Aldhair Aldrik Aldene Aldayr Alderic Ottomar Muammar Guilmar Aldolfo Sharmar Alduin Shalimar Thamar Rajkumar Kahmar Jossimar Harsimar Zaimar Jeymar Kaymar Dietmar Yosimar Audemar Ingmar

Sibling names for Aldemar

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

For a sister

Kacy Kortney Mai Shante Kathryne Jessika Brittni Kristian

For a brother

Laron Dejuan Tyron Shay Elizabeth Kelsey Bradly Garrick

Explore around Aldemar

Top names of 1990, Aldemar's peak year The 1990s in full Other names that peaked in 1990 Boys' names starting with A