Isadore is a unisex name deriving from the Greek Isidoros, meaning “gift of Isis,” and transmitted into Latin before entering Anglo-French usage. Its association with early Christian scholarship—exemplified by the 7th-century theologian Saint Isidore of Seville—imparts a classical and hagiographic dimension, while its modern neutrality in gender application underscores its adaptability. In French it is pronounced ee-zah-dawr (/i.zadɔʁ/) and in English eye-zuh-dawr (/aɪˈzədər/), demonstrating a consistent phonetic profile across both languages. Although its contemporary frequency in the United States remains modest—hovering near rank 900 in recent Social Security data—Isadore’s continuous presence since the late 19th century highlights a quietly enduring appeal. With its measured syllabic cadence and scholarly resonance, the name appeals to those seeking historical substance rather than a fleeting trend.
| Isadore Harry Bellis was a Philadelphia Democratic politician and lawyer who served three City Council terms and became majority leader in 1972. |
| Isadore Familian was a Los Angeles businessman, Jewish community leader and CEO of Price Pfister Brass Manufacturing Company. |
| Isadore Max Tarlov was an American neurosurgeon known for first systematically describing the spinal cysts now named after him. |
| Isadore Edward Levine was an Indiana Supreme Court justice who served briefly in 1955. |