Allison

• Same eraJoseLike Allison, it was given most in the 1990s.#95 · steady
• Same rhythmDominicSame beat as Allison: three syllables, stress on the first, ending on a consonant, but it starts differently.#106 · steady
• ShorterColtonTwo syllables to Allison's three, so you can tell them apart when you call both.#103 · falling
• LongerLeonardoFour syllables to Allison's three: a long name beside a short one keeps them distinct.#91 · steady

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.