| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 4401 | Yeoman | English | Retainer. | M | |
| 4402 | Yoman | English | Retainer. | M | |
| 4403 | York | English | From the bear estate. | M | |
| 4404 | Yul | English | Born at Christmas. | M | |
| 4405 | Yule | English | Born at Christmas. | M | |
| 4406 | Zach | English | Variant of Zachariah and Zachary. | M | |
| 4407 | Zachary | English | Variant of Zachariah 'Jehovah has remembered.' Has experienced a revival in modern times. ZACHERY. | M | |
| 4408 | Zack | English | Variant of Zachariah and Zachary. | M | |
| 4409 | Zackary | English | Variant of Zachariah and Zachary. | M | |
| 4410 | Zackery | English | Variant of Zachariah and Zachary. | M | |
| 4411 | Zain | English | Variant of Zane or John. | M | |
| 4412 | Zaine | English | Variant of Zane or John. | M | |
| 4413 | Zak | English | Variant of Zachariah and Zachary. | M | |
| 4414 | Zakari | English | Variant of Zachariah and Zachary. | M | |
| 4415 | Zakary | English | Variant of Zachariah and Zachary. | M | |
| 4416 | Zander | English | Abbreviation of Alexander. | M | |
| 4417 | Zane | English | Variant of John. American western writer Zane Grey. | M | |
| 4418 | Zayne | English | Variant of Zane or John. | M | |
| 4419 | Zeke | English | Abbreviation of Ezekiel. | M | |