From Old English meaning 'Ella's hill' or 'the elder tree hill', originally a place name.
Eldon derives from an English place name rooted in Old English: most likely *Ella's dūn* — "Ella's hill" — or possibly from *æthel* (noble) combined with *dūn* (hill), yielding a meaning close to "noble hill." Like many English surnames-turned-given-names, it carries the quiet solidity of the English countryside, evoking rolling terrain and old settlement. The name arrived in North America through British emigration and became a solid, dependable fixture of Midwestern and Southern naming practices from the mid-nineteenth century onward.
Several notable bearers anchored Eldon in public life. Eldon Gorst (1861–1911) served as British Consul-General in Egypt and was a significant figure in early twentieth-century colonial administration. In American political history, the name appears among judges, senators, and local officials with a frequency suggesting it was once the standard-bearer for a certain dignified civic seriousness.
The name's most aristocratic association comes from John Scott, 1st Earl of Eldon (1751–1838), the long-serving Lord Chancellor of England, whose name gave the title a legal and governmental prestige that filtered back into the given-name tradition. Eldon had its greatest popularity as a first name in the United States between roughly 1890 and 1950, when it was common enough to feel familiar yet never so ubiquitous as to lose character. It then slipped from fashion in the latter half of the twentieth century, acquiring the vintage patina that now makes it appealing again. In an era when parents are rediscovering names like Alden, Holden, and Weston, Eldon's earthy Anglo-Saxon roots and its crisp, unhurried two-syllable rhythm position it as a quietly distinguished resurrection.