Catherine

• Same eraSylviaLike Catherine, it was given most in the 1950s.#300 · rising
• Same rhythmMadissonSame beat as Catherine: three syllables, stress on the first, ending on a consonant, but it starts differently.#319 · rising
• ShorterMorganTwo syllables to Catherine's three, so you can tell them apart when you call both.#312 · falling
• LongerGabrielaFour syllables to Catherine's three: a long name beside a short one keeps them distinct.#317 · steady
• RiskyKatherineSounds just like Catherine, spelled differently. Two kids, one name.#186 · falling

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.