Nilza

Girls' name

Feminine form of Nilson

Nilza has been given to 66 babies in the U.S. since 1960. 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 1963, with 8 recorded.

Babies named Nilza, 1999

1 in 738,000

Nilza over time, 1880–2025

Girls

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Nilza: meaning, origin, and history

Feminine form of Nilson

Deeper origin not confirmed in the cited records

What Nilza means

Nilza is a feminine form of Nilson.

Documented naming usage and pronunciation

Nilza is used in Portuguese.

Related names and everyday forms

Related names include Nilson.

American usage and historical context

In the United States, 66 girls were recorded with the name Nilza between 1960 and 1999. Its highest annual count was 8 in 1963; its best national rank was #5,146 in 1966.

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.

U.S. Social Security Administration: national name data and limitations

How common is Nilza?

Nilza had fewer than 5 recorded uses in 2025, so these figures use 1999, the last year it was published.

Among all babies, 1999: 1 in 738,000; 5 of 3,692,373 births
Among girls only: 1 in 355,000; <0.01% of girls
Rank, 1999: Unranked; Fewer than 5 uses
Coin-flip room size: 511,873 kids; Even odds of a second one

Where Nilza sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 1999 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 511,873 children born in 1999 and it's an even bet that one of them is another Nilza. In a class of 30 the chance is Under 1%.

When Nilzas were born

Half of everyone ever recorded as Nilza was born before 1966 — so the typical Nilza is around 59 today.

Median birth year: 1966; About 59 years old
Biggest decade: 1960s; 68.2% of all use
Born in the last 25 years: 24.2%; Spread across generations
Recorded since 1950: 66; People you could plausibly meet

Choose a decade

1960s — 68.2% of all recorded uses (45).

Is Nilza 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 1963 (8)
Years since peak: 62; Years
Year-to-year steadiness: Volatile; 31.0% average annual change
Best rank ever: #5,146; 1966

Spellings of Nilza

Nilza is not the most common spelling — Wilma is, with 16.4% against Nilza's <0.01%.

Wilma16.4%140,101
Nina15.6%133,788
Mila9.9%84,489
Hilda9.5%81,022
Lila8.9%76,493
Willa3.8%32,824
Nyla3.2%27,714
Nola3.1%26,262

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.

Nilza by the numbers

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

As a girl's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #5,146; 1966
Peak year: 1963; 8 that year
First recorded: 1960
Last recorded: 1999
All-time count: 66
Count in 2025: Under 5

Names similar to Nilza

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

Nilay Nilaya Nilam Niley Filza Nilayah Nilka Nilani Nili Nilla Nilaja Nil Nile Nilynn Nillie Nilan Nilou Demelza Nilah Nilyn Nilsa Niloufar Niliyah Nilyne

Sibling names for Nilza

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

Jonna Edie Pennie Alesia Moira Lolita Lanette Zina

For a brother

Greggory Berry Chet Rob Richie Vince Kennedy Tod

Explore around Nilza

Top names of 1963, Nilza's peak year The 1960s in full Other names that peaked in 1966 Girls' names starting with N