Brian

• Same eraEricLike Brian, it was given most in the 1970s.#273 · falling
• Same rhythmMarshallSame beat as Brian: two syllables, stress on the first, ending on a consonant, but it starts differently.#340 · steady
• ShorterJaxOne syllable to Brian's two, so you can tell them apart when you call both.#342 · falling
• LongerGideonThree syllables to Brian's two: a long name beside a short one keeps them distinct.#337 · steady
• RiskyRyanRhymes with Brian. Cute on a birth announcement, confusing across a playground.#99 · 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.