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2025 data, released 8 May 2026

Heidy

Heidy was the 1917th most popular name for girls in 2025, given to 101 babies. Its best year was 2010, when it ranked 809th with 338 babies. Over the last ten years it has moved down 314 places. More babies were named Heidy in the 2000s than in any other decade.

Meaning (as Heidi) pet form of Adelheid ('noble kind') · German

Rank in 2025
#1,917 girls, down 195 places since 2020
Babies in 2025
101girls
Girls and boys
Almost always a girl’s name2021–2025
Peak year
2010338 babies
Total since 1880
6,085babies recorded

What does the name Heidy mean?

Heidy is a spelling of Heidi, pronounced the same way, so it shares Heidi's meaning and origin.

Heidi is a Swiss German pet form of Adelheid, the German form of Adelaide and Alice. DMNES derives the name from Old High German adal, "noble", and heit, "kind, sort". Heidi became known worldwide through Johanna Spyri's children's novel Heidi (1880), as Wiktionary notes. It was most popular in the US in the 1960s and 1970s.

adal (Old High German, “noble”)heit (Old High German, “kind, sort”)

How sure is this? Well established.

Related names: Adelaide, Adelheid, Alice, Heide.

See also: Germanic names, names that mean noble.

Sources for this meaning

Heidy popularity since 1880

0125250375500 1900192019401960198020002020
Girls Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Babies (girls)
2025#1,917101
2020#1,722117
2010#809338
2000#1,482124
1990#2,07264
1980#3,54223
1970#3,76916
1960#3,77712
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Heidy, counting every spelling?

Heidy is a spelling of Heidi, a name family that ranked #324 for girls in 2025 once every spelling is counted together, compared with #1,917 for Heidy on its own. Together these spellings went to 1,014 girls in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Heidi894#3404,321
Heidy101#1,917540
Haydee19#6,197119

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Heidy?

101 of the 3,606,400 babies born in the US in 2025 were named Heidy (0.03 per 1,000 births). For a girl named Heidy born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 83 (of 430 pupils) would have a child named Heidy.

Chance of another Heidy in a class of 20under 1 in 50US, born 2025
Most likely inNew Jerseyunder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Heidy?

About 6,000 people born in the US named Heidy are alive today, with a median age of 19; half are between 13 and 26. That makes Heidy mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Heidy by state

How common Heidy was among girls born in each state in 2021–2025. It is notably more common than nationally in New York (2.0×), Georgia (1.7×), California (1.7×), Texas (1.6×). In 44 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: fewer than 5 a yearWI–Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: fewer than 5 a yearWA–Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: fewer than 5 a yearMN–Illinois: fewer than 5 a yearIL–Michigan: fewer than 5 a yearMI–New York: 0.13 per 1,000 babiesNY0.13Massachusetts: fewer than 5 a yearMA–Oregon: fewer than 5 a yearOR–Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: fewer than 5 a yearIA–Indiana: fewer than 5 a yearIN–Ohio: fewer than 5 a yearOH–Pennsylvania: fewer than 5 a yearPA–New Jersey: 0.07 per 1,000 babiesNJ0.07Connecticut: fewer than 5 a yearCT–Rhode Island: fewer than 5 a yearRI–California: 0.11 per 1,000 babiesCA0.11Utah: fewer than 5 a yearUT–Colorado: fewer than 5 a yearCO–Nebraska: fewer than 5 a yearNE–Missouri: fewer than 5 a yearMO–Kentucky: fewer than 5 a yearKY–West Virginia: fewer than 5 a yearWV–Virginia: fewer than 5 a yearVA–Maryland: fewer than 5 a yearMD–Delaware: fewer than 5 a yearDE–Arizona: fewer than 5 a yearAZ–New Mexico: fewer than 5 a yearNM–Kansas: fewer than 5 a yearKS–Arkansas: fewer than 5 a yearAR–Tennessee: fewer than 5 a yearTN–North Carolina: 0.03 per 1,000 babiesNC0.03South Carolina: fewer than 5 a yearSC–District of Columbia: fewer than 5 a yearDC–Oklahoma: fewer than 5 a yearOK–Louisiana: fewer than 5 a yearLA–Mississippi: fewer than 5 a yearMS–Alabama: fewer than 5 a yearAL–Georgia: 0.11 per 1,000 babiesGA0.11Hawaii: fewer than 5 a yearHI–Texas: 0.11 per 1,000 babiesTX0.11Florida: 0.07 per 1,000 babiesFL0.07
Babies per 1,000 of the same sex, Heidy, girls, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Heidy: their share of US girls followed the most similar curve since 1880. If you like Heidy, they share its era and feel.

Questions about the name Heidy

What does Heidy mean?

Heidy is a spelling of Heidi, which means “pet form of Adelheid ('noble kind')” (German origin). Certainty: well established.

How popular is the name Heidy?

Heidy was the 1917th most popular name for girls in 2025, given to 101 babies. Its best year was 2010, when it ranked 809th with 338 babies. Over the last ten years it has moved down 314 places. More babies were named Heidy in the 2000s than in any other decade.

Is Heidy a boy or girl name?

In 2021–2025, almost always a girl’s name given the name Heidy in the US.

Where is Heidy most popular?

In 2021–2025, Heidy was most common in New York (0.13 per 1,000 girls), followed by Georgia and California.