Sibling names for Augustus
Augustus pairs best with a name that sounds like it belongs to the same family without matching it. The list below ranks brother and sister names on exactly that.
Brother names for Augustus
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Gideon 80
GID-ee-ən
Mighty feller of trees; brave hero
Fewer letters on the page than Augustus; carries the meaning "mighty feller of trees".
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Cillian 79
KIL-ee-ən
Churchman or bright-headed warrior
Common enough to be known, uncommon enough to feel picked; a crisp consonant start.
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Dominick 77
Vintage style
Opens on "D" against Augustus's "A"; 8 letters, so it invites a short form.
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Evander 76
ee-VAN-der
Good and noble man
Vintage, like Augustus; has Van as a short form.
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Elisha 74
Vintage style
A fuller name of 3 syllables; begins with an open vowel.
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Benedict 73
Vintage style
An older name coming back into use; consonant-forward, so it lands with a bit of edge.
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Jefferson 71
Vintage style
Rarer than Augustus, if you want contrast; the same vintage feel as Augustus.
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Eliezer 70
Vintage style
A different ending sound from Augustus; vowel-heavy, so it flows rather than clips.
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Marcello 68
Vintage style
Matches Augustus syllable for syllable; starts with "M", not Augustus's "A", so the two never blur.
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Salvatore 67
Vintage style
A longer name on the page — room for a nickname; a longer, flowing 3-syllable name.
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Harrison 64
HAIR-ih-sən
Son of Harry; distinguished leader
Has a doubled letter that softens the look; shortens to Harry.
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Hezekiah 63
Vintage style
Augustus ends on a hiss, Hezekiah on a soft vowel — a clean contrast; in steady everyday use, but not on every class list.
Sister names for Augustus
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Margaret 80
Vintage style
A vintage name having a comeback; a longer, flowing 3-syllable name.
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Genevieve 79
JEN-uh-veev
Tribe woman, white wave, and Parisian protector
No doubt it is the sister name; carries the meaning "tribe woman".
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Rosalie 77
ROH-zuh-lee
Rose garden of fragrant blooms
Ends on an open "e", a soft finish; more vowels than consonants — an easy, open sound.
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Diana 76
dye-AN-uh
Divine goddess of the moon and forest
Starts with "D", not Augustus's "A", so the two never blur; vintage, like Augustus.
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Sylvia 74
Vintage style
A crisp consonant start; the same vintage feel as Augustus.
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Lorelai 73
LOR-uh-lye
Enchanting rock on the Rhine river
Shortens to Rory; matches Augustus syllable for syllable.
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Matilda 71
muh-TIL-duh
Battle-mighty heroine of noble valor
About as well-known as Augustus right now; consonant-forward, so it lands with a bit of edge.
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Elisa 70
Vintage style
A different first letter from Augustus — easy to tell apart on school and doctor's forms; an "-a" ending, very current.
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Meredith 68
Vintage style
Runs to the same length as Augustus out loud; a different ending sound from Augustus.
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Beatrice 67
BEE-uh-tris
She who brings happiness and blessings
Has Bea and Trixie as short forms; means "she who brings happiness and blessings".
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Loretta 65
Vintage style
The soft "-a" ending common in girls' names right now; less common than the usual picks, for something a bit different.
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Georgina 64
Vintage style
Trails off on a soft "a"; sits at the same width as Augustus written down.
Reading the scores
The number by each sibling name is how well it fits Augustus — roughly 5 to 99, higher is better. It rates the pairing, not the name on its own. How the score works.
What makes a sibling set work
The names people regret are the ones that rhyme, start with the same letter, or sit far apart in popularity. A good match for Augustus avoids all three. Augustus with Gideon or Margaret does that.
See also: middle names for Augustus · twin names for Augustus
Common questions
What names go well with Augustus for a sibling?
For a brother: Gideon, Cillian, Dominick, Evander.
For a sister: Margaret, Genevieve, Rosalie, Diana. These share Augustus's style and level of familiarity without rhyming or starting with the same letter.
Should a sibling name match Augustus?
It should feel like it belongs to the same family as Augustus, not like a matching set. That means a shared era or style — Augustus reads as vintage, so lean that way — but a different starting sound and ending. Names that rhyme with Augustus or also start with "A" get fewer points here.
Does Augustus need a sibling name of the same origin?
Not really — Augustus's origin isn't recorded, so the score leans on style and sound instead, but a strong style match with Augustus matters more either way.
How is the match score for Augustus worked out?
Each name is checked against Augustus: a shared style and era counts the most, then how close the two are in popularity, then points come off for rhyming with Augustus, sharing its "A" start, or ending on the same sound. Full detail on the NamePairings how-we-score page.