Given name & surname
Isidor
“a gift of Isis”·“a gift from the goddess Isis”
Isidor is a variant of Isidore. One Greek interpretation is “a gift of Isis.” Isidor is a variant of Isadore. One Greek interpretation is “a gift from the goddess Isis.”
Meaning & origin
What it means
Isidor is a variant of Isidore. One Greek interpretation is “a gift of Isis.” Isidor is a variant of Isadore. One Greek interpretation is “a gift from the goddess Isis.”
Explained through its name family
Where it comes from
Isidor is a variant of Isidore. An origin associated with Isidore is Greek.
Explained through its name family
The story
Published U.S. birth records include this spelling as early as 1883. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Isidor through the years
- Babies since 1880
- 419
- 419 boys · 0 girls
- Most popular year
- 1914
- 24 babies
- 2025
- 7
- #10,083 for boys
- 2021–25 vs 2016–20
- +100%
- Rising fast
By the numbers
In 2025, this name appeared in 7 U.S. birth records for boys, ranking No. 10,083 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Published U.S. population figures for this spelling include 249 as a first name in 2020; 352 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Isidor’s family of names
Isidor shares a linguistic root with Isidore. In German usage, Isidor has a conventional equivalent in the Spanish form Isidro. In German usage, Isidor has a conventional equivalent in the Italian form Isidoro.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Isidor has relatives in 9 languages.
9 related names in 9 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 4
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 2
The same name written differently, including transliterations into other scripts.
Across languages 9
Equivalents and cognates in other languages, plus older forms it grew from.
- IsidroSpanish
- IsidoroSpanish, Italian
- Isydorequivalent
- ΙσίδωροςGreek
- IzydorPolish
- Sydirequivalent
- Сидірequivalent
- IsidorusLatin
Show 1 moreShow fewer
People named Isidor
- Isidor RabiAmerican physicist (1898–1988)
- Isidor GunsbergHungarian-born British chess player1854–1930
- Isidor Strausretailing magnate victim of the Titanic sinking (1845–1912)
- Isidor KaufmannHungarian artist (1853-1921)
- Isidor NiflotOlympic wrestler (1881-1950)
- I. F. StoneAmerican investigative journalist, writer, and author1907–1989
- Isidor PhilippFrench pianist, composer and pedagogue (1863–1958)
- Isidor BajićSerbian composer (1878–1915)
- Isidor RaynerAmerican politician (1850-1912)
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Isidor, these share its style, era, origin or sound, from outside its own family.