Boy Name
Isidro
Isidro is a boy's name whose meaning is not firmly attested in the historical record. It is used as a boy's name across several naming traditions, and it is rare in the United States today — outside the SSA top 1,000.
Isidro — a boy name — is an uncommon, standout choice. If Isidoro is on your shortlist, Isidro belongs in the same conversation.
Isidro meaning, origin, and usage
Meaning: Isidro has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Isidro as I·S·I·D·R·O, with 6 letters and a boy usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Isidro is an uncommon, standout choice in the Rare tier.
Isidro variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Isidroa, Isidroe, Isidroy, Isidr.
- Nicknames: Isi and I.
- Middle names: Pair Isidro with a middle name that balances its substantial sound; start with the Isidro middle name generator.
- Sibling names: Isidoro, Isidore, Isidor, Isadora, Israel — full picks on the sibling names for Isidro guide for a cohesive sibset.
- Similar names: Looking for names that sound like Isidro? Browse our names like Isidro guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Isidro
What does the name Isidro mean?
Isidro has no single meaning that is firmly attested in the historical record. It is used as a boy name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Isidro?
The exact origin of Isidro is debated, but it has been used across multiple naming traditions.
How do you pronounce Isidro?
Isidro has 6 letters and is most commonly stressed on the first syllable.
Is Isidro a boy's or girl's name?
Isidro is primarily used as a boy's name in US records.
How popular is Isidro in 2026?
In our 2026 popularity tracker, Isidro sits in the Rare tier — an uncommon, standout choice.
What names are similar to Isidro?
Names that share Isidro's sound and style include Isidoro, Isidore, Isidor, Isadora, Israel.
What middle names pair well with Isidro?
Good middle-name fits for Isidro pair an opposite syllable rhythm: if Isidro is short, lean longer (e.g. classical or three-syllable middles); if Isidro is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Isidro?
Sibling names that pair naturally with Isidro share its rhythm without rhyming — Isidoro, Isidore, Isidor all sit comfortably alongside it on a shortlist.