US first names, 1940–2025
Random names that start with I
Isabella, Isaac, Ian and more than a thousand rarer I names, paired with real American surnames. Hit generate until one fits.
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About I names
Between 1940 and 2025 the Social Security Administration recorded 1,598,795 girls across 1,144 different I names, and 1,466,319 boys across 664.
Each name is drawn with the odds it had in real life, so common names come up often and rare ones now and then. Surnames come from the 2000 U.S. Census and are picked separately. Set realism to 0 under more options and every name becomes equally likely.
More about these names
What the data says
- About 1 in 2 girls with a name starting with I born from 1940 to 2025 got one of just 10 names. Those 10 names hold 64.3% of all recorded girls with a name starting with I.
- Among girls with a name starting with I, names behave like 40 equally common names out of 1,144 in use (effective number of names).
- The average girl's name starting with I has 5.9 letters.
- About 1 in 2 boys with a name starting with I born from 1940 to 2025 got one of just 10 names. Those 10 names hold 78.5% of all recorded boys with a name starting with I.
- Among boys with a name starting with I, names behave like 20 equally common names out of 664 in use (effective number of names).
- The average boy's name starting with I has 4.9 letters.
- Fastest riser for girls: Icelynn, from 68 births in 2006 to 2015 to 906 in 2016 to 2025.
- Biggest fall for girls: Isis, from 4,478 births in 2006 to 2015 to 1,033 in 2016 to 2025.
- Fastest riser for boys: Ivaan, from 74 births in 2006 to 2015 to 1,511 in 2016 to 2025.
- Biggest fall for boys: Imanol, from 546 births in 2006 to 2015 to 87 in 2016 to 2025.
Girls: Top 20 names
| # | Name | Births | Share |
|---|---|---|---|
| 1 | Isabella | 409,237 | 25.60% |
| 2 | Irene | 107,931 | 6.75% |
| 3 | Isabel | 105,699 | 6.61% |
| 4 | Isabelle | 85,286 | 5.33% |
| 5 | Iris | 78,953 | 4.94% |
| 6 | Ivy | 77,456 | 4.84% |
| 7 | Isla | 57,348 | 3.59% |
| 8 | Ida | 38,924 | 2.43% |
| 9 | Irma | 35,505 | 2.22% |
| 10 | Izabella | 31,149 | 1.95% |
| 11 | Imani | 27,817 | 1.74% |
| 12 | Ingrid | 26,588 | 1.66% |
| 13 | India | 22,787 | 1.43% |
| 14 | Itzel | 21,316 | 1.33% |
| 15 | Inez | 14,420 | 0.90% |
| 16 | Iliana | 13,339 | 0.83% |
| 17 | Ivory | 12,863 | 0.80% |
| 18 | Isabela | 12,698 | 0.79% |
| 19 | Isis | 11,876 | 0.74% |
| 20 | Ilene | 11,382 | 0.71% |
Boys: Top 20 names
| # | Name | Births | Share |
|---|---|---|---|
| 1 | Isaac | 309,605 | 21.11% |
| 2 | Ian | 256,902 | 17.52% |
| 3 | Isaiah | 250,043 | 17.05% |
| 4 | Ivan | 130,108 | 8.87% |
| 5 | Israel | 67,725 | 4.62% |
| 6 | Ismael | 43,149 | 2.94% |
| 7 | Ira | 29,537 | 2.01% |
| 8 | Issac | 22,782 | 1.55% |
| 9 | Isiah | 20,678 | 1.41% |
| 10 | Irvin | 20,091 | 1.37% |
| 11 | Iker | 18,921 | 1.29% |
| 12 | Isaias | 18,384 | 1.25% |
| 13 | Ibrahim | 17,907 | 1.22% |
| 14 | Ignacio | 17,090 | 1.17% |
| 15 | Izaiah | 14,899 | 1.02% |
| 16 | Irving | 14,409 | 0.98% |
| 17 | Isidro | 7,398 | 0.50% |
| 18 | Isai | 7,340 | 0.50% |
| 19 | Immanuel | 6,126 | 0.42% |
| 20 | Ivory | 6,101 | 0.42% |
Girls: 2006 to 2015 → 2016 to 2025
Rising fastest
- Icelynn 68 → 906
- Indy 208 → 1,953
- Itzae 52 → 404
- Iylah 83 → 640
- Indie 547 → 3,788
Falling fastest
- Isis 4,478 → 1,033
- Izabell 785 → 239
- Iyonna 760 → 255
- Iyana 2,057 → 802
- Imari 577 → 230
Boys: 2006 to 2015 → 2016 to 2025
Rising fastest
- Ivaan 74 → 1,511
- Ivar 70 → 884
- Izan 236 → 1,758
- Iam 74 → 448
- Izael 233 → 1,367
Falling fastest
- Imanol 546 → 87
- Issiah 400 → 93
- Isaih 366 → 97
- Isac 966 → 289
- Isacc 553 → 185
Questions and answers
What was the most common girl's name starting with I from 1940 to 2025?
Isabella. 409,237 girls received it, 25.60% of all recorded girls born from 1940 to 2025 with a name starting with I.
What was the most common boy's name starting with I from 1940 to 2025?
Isaac. 309,605 boys received it, 21.11% of all recorded boys born from 1940 to 2025 with a name starting with I.
How concentrated are names from 1940 to 2025?
Among girls with a name starting with I the 10 most common names cover 64.3% of births; among boys with a name starting with I 78.5%. In this period boys' names were the more concentrated set.
What share of babies get a name starting with I?
Across 1940 to 2025, 1.0% of recorded births had a first name starting with I.
Which names grew fastest compared with 2006 to 2015?
Among names with at least 300 births in 2016 to 2025, the biggest gains were for girls, Icelynn (68 births in 2006 to 2015, 906 in 2016 to 2025); for boys, Ivaan (74 births in 2006 to 2015, 1,511 in 2016 to 2025).