Sibling names for Trinity
Names that sound like they belong in the same family as Trinity usually share its era. These sister and brother names rose and fell on a similar curve to Trinity, whose busiest decade was the 2000s, and are about as common, so neither child's name will feel dated or unusual next to the other.
Sister names for Trinity
| Name | Meaning | Rank 2025 | Babies, last 5 years | Peak decade |
|---|---|---|---|---|
| Amya | #2,051 | 556 | 2000s | |
| Aniyah | #485 | 3,921 | 2010s | |
| Madison | son of Matthew (or of Maud) | #40 | 26,176 | 2000s |
| Annika | pet form of Anna (Annika) | #995 | 1,455 | 2000s |
| Hailey | hay clearing (surname) | #104 | 14,222 | 2000s |
| Jayda | variant of Jada (Jade) | #1,214 | 1,428 | 2000s |
| Makenna | son of Cionaodh (from McKenna) | #593 | 3,365 | 2000s |
| Camryn | variant of Cameron ('crooked nose') | #477 | 3,464 | 2000s |
| Giselle | pledge, hostage | #382 | 4,318 | 2000s |
| Ashlyn | dream, vision (as a form of Aisling) | #972 | 1,655 | 2000s |
| Kylie | #204 | 7,844 | 2000s | |
| Makayla | variant of Michaela | #568 | 3,452 | 2000s |
Brother names for Trinity
| Name | Meaning | Rank 2025 | Babies, last 5 years | Peak decade |
|---|---|---|---|---|
| Jaden | #421 | 4,671 | 2000s | |
| Brayan | #768 | 1,562 | 2000s | |
| Gavin | #303 | 8,038 | 2000s | |
| Ethan | firm, enduring | #24 | 41,038 | 2000s |
| Camron | #2,059 | 436 | 2000s | |
| Caleb | dog (debated) | #58 | 28,287 | 2000s |
| Diego | #158 | 13,504 | 2000s | |
| Gage | measure; or pledge (English surname) | #973 | 1,828 | 2000s |
| Connor | lover of hounds | #166 | 14,660 | 2000s |
| Angel | angel; messenger | #67 | 24,463 | 2000s |
| Yahir | he will shine (Hebrew Jair) | #816 | 1,472 | 2000s |
| Isaiah | God is salvation | #57 | 26,869 | 2000s |
Trinity's era
Trinity ranked #428 for girls in 2025, against #129 in 2015. Its best year was 2004, at #48. Names that rose and fell with it share its period feel, which keeps the set consistent.
Timeless names that go with any sibling
These names have been used steadily for a hundred years, so they sit comfortably next to a name from any era, Trinity included.
Girls: Elizabeth, Maria, Lydia, Cecilia, Julia, Miriam. Boys: Samuel, Anthony, Wesley, Vincent, Calvin, Victor.
How these were chosen
Each suggestion's share of US babies has followed a curve close to Trinity's since 1880, and its recent number of babies is within about twelve times Trinity's, so the names are in the same league. Names starting with the same letter as Trinity or with the same ending are left out, so the names go together without matching. Spellings of Trinity itself are excluded.