Given name & surname
Isidore
“a gift of Isis”
Isidore is used as a given name and a surname. One Greek interpretation is “a gift of Isis.”
Original GreekΙσίδωρος
Meaning & origin
What it means
One Greek interpretation is “a gift of Isis.”
Where it comes from
An origin associated with this spelling is Greek.
How it developed
In English usage, Isidore developed from the Ancient Greek form Ἰσίδωρος.
The story
Published U.S. birth records include this spelling as early as 1881. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Isidore through the years
- Babies since 1880
- 3,421
- 3,421 boys · 0 girls
- Most popular year
- 1919
- 183 babies
- 2025
- 31
- #3,607 for boys
- 2021–25 vs 2016–20
- +77%
- Rising fast
By the numbers
In 2025, this name appeared in 31 U.S. birth records for boys, ranking No. 3,607 among boys’ names. Average annual use for boys was 76.8% higher in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 183 in 1919. Published U.S. population figures for this spelling include 796 as a first name in 2020; 673 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.
Isidore’s family of names
In English usage, Isidore has a diminutive in Izzy. In English usage, Isidore has a feminine form in Isidora. In Spanish usage, Isidore has a related form in Isidro.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Isidore has relatives in 17 languages. Lines run from its Ancient Greek roots to each of them.
Ancient Greekwhere Isidore comes from · 1 name
Nicknames & forms 27
Diminutives, pet forms, short forms and variants used alongside the name.
- Izzydiminutive · English
- Isidrovariant · Spanish
- Isidoravariant · German, English
- Isadorevariant · English
- Izzievariant
- Isidorvariant · German
- Zizidiminutive · French
- Dorediminutive · English
Show 19 moreShow fewer
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 12
Equivalents and cognates in other languages, plus older forms it grew from.
- ΙσίδωροςGreek
- Ἰσίδωροςroot · Ancient Greek
- Zidôreequivalent
- Izidoriusequivalent
- ИсидорRussian, Bulgarian
- Dorigequivalent
- СидорRussian
- ÍsidórIcelandic
Show 4 moreShow fewer
See also 1
Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.
People named Isidore
- Isidore of SevilleHispano-Roman scholar, theologian and bishop (c. 560–636)
- Comte de LautréamontUruguayan born French poet, Isidore Ducasse (1846-1870)
- Isidore of MiletusByzantine Greek architect442–537
- Isidore the LaborerSpanish farmer and saint1079–1130
- Isidore Geoffroy Saint-HilaireFrench zoologist (1805-1861)
- Isidore of KievCatholic cardinal1380–1463
- Isidore of Pelusiummonk370–435
- Yip HarburgAmerican lyricist (1896–1981)
- Isidore of CharaxGreco-Roman geographer of the 1st centuries BCE and CE50 BC
Listed by how widely each person is written about, which says nothing about the name itself.
Appears in
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