| 5301 | 5301Willabell | 5 |
| 5302 | 5302Wilmeth | 5 |
| 5303 | 5303Wilmot | 5 |
| 5304 | 5304Wilmuth | 5 |
| 5305 | 5305Yayeko | 5 |
| 5306 | 5306Ynez | 5 |
| 5307 | 5307Zabelle | 5 |
| 5308 | 5308Zetha | 5 |
| 5309 | 5309Zilla | 5 |
| 5310 | 5310Zilphia | 5 |
| 5311 | 5311Zonnie | 5 |
| 5312 | 5312Zorka | 5 |
| 5313 | 5313Zylpha | 5 |
Source: U.S. Social Security Administration, national baby names data. Coverage: Names with at least 5 births in a year.