Ione

• Same eraMazieLike Ione, it was given most in the 1920s.#965 · rising
• Same rhythmCorinneSame beat as Ione: two syllables, stress on the second, ending on a consonant, but it starts differently.#999 · steady
• ShorterScoutOne syllable to Ione's two, so you can tell them apart when you call both.#995 · steady
• LongerHarmoniThree syllables to Ione's two: a long name beside a short one keeps them distinct.#1,000 · falling
• RiskySloaneRhymes with Ione. Cute on a birth announcement, confusing across a playground.#141 · rising

Suggestions come from names in this year's top 1,000. Rhythm and rhyme are judged from each name's pronunciation (Wiktionary's, or espeak's reading of the spelling), so a few calls may be off.