Twin Names Starting With I
16 US twin names beginning with I, each linking to scored twin name pairings. Sorted A–Z; switch to popularity below.
- Ian Best twin match: Collin (97) middle names
- Ibrahim Best twin match: Ezequiel (93) middle names
- Iker Best twin match: Adriel (87) middle names
- Iris Best twin match: Hazel (95) middle names
- Isaac Best twin match: Caleb (97) middle names
- Isabel Best twin match: Diana (95) middle names
- Isabella Best twin match: Valentina (94) middle names
- Isabelle Best twin match: Vivienne (90) middle names
- Isaiah Best twin match: Adriel (97) middle names
- Isla Best twin match: Lily (87) middle names
- Ismael Best twin match: Jesus (96) middle names
- Israel Best twin match: Judah (97) middle names
- Itzel Best twin match: Nayeli (93) middle names
- Ivan Best twin match: Andres (95) middle names
- Ivory Best twin match: Caspian (96) middle names
- Ivy Best twin match: Daisy (96) middle names
No names match those filters.
I names by the numbers
In 2025, 1.84% of US baby boys and 2.91% of baby girls in the Social Security records got a first name starting with I. In 1990 the figures were 0.81% and 0.5%.
| Name | For | Rank in 2015 | Rank in 2025 |
|---|---|---|---|
| Isaac | boys | #31 | #47 |
| Isaiah | boys | #49 | #57 |
| Ian | boys | #76 | #83 |
| Isabella | girls | #5 | #7 |
| Isla | girls | #142 | #28 |
| Ivy | girls | #130 | #39 |
The biggest climber on this page is Isla: #142 among US girls in 2015, #28 in 2025.
Twin names that share a first letter are marked down on the twin pages, since forms often list twins by first initial and surname alone.
Twin Names starting with I
This page lists 16 twin names beginning with the letter I that are in real current use in the United States — including popular picks like Isabella, Isla, Ivy. The count comes from US Social Security Administration public records: every name shown was given to at least a handful of US babies in the latest year, so this is not a list of invented or one-off spellings.
Open any name to see its pairing page — coordinated twin names, each scored for how well it fits. Use the sort control above to switch between A–Z and 2025 popularity. To browse a different letter, go back to all twin names.