| Name | # Entries |
|---|---|
| Yeboah | 31 |
| Yardy | 31 |
| Yet | 30 |
| Yapa | 29 |
| Yeldham | 29 |
| Yewers | 29 |
| Younghusband | 28 |
| Youkhanna | 28 |
| Yigit | 28 |
| Yencken | 28 |
| Yick | 28 |
| Yelds | 28 |
| Yem | 28 |
| Yousefi | 27 |
| Yandle | 26 |
| Yea | 26 |
| Yoannidis | 26 |
| Yehia | 26 |
| Yasso | 25 |
| Yasar | 25 |
| Yep | 25 |
| Yaqoob | 25 |
| Yanga | 24 |
| Yaacoub | 24 |
| Yawari | 24 |
| Ylias | 24 |
| Yakas | 23 |
| Yarham | 23 |
| Yelverton | 23 |
| Younas | 23 |
| Yukich | 23 |
| Yuke | 23 |
| Yat | 23 |
| Yovich | 23 |
| Yamanaka | 23 |
| Yamin | 23 |
| Yourell | 23 |
| Yatras | 22 |
| Youseff | 22 |
| Yoganathan | 22 |
| Yokhanna | 22 |
| Yench | 22 |
| Yo | 22 |
| Youll | 22 |
| Yeark | 22 |
| Yosufi | 22 |
| Yaqubi | 21 |
| Yeowart | 21 |
| Younus | 21 |
| Yewdall | 21 |
| Youlten | 21 |
| Yek | 20 |
| Yore | 20 |
| Yasir | 20 |
| Yeng | 20 |
| Yammouni | 20 |
| Yarak | 20 |
| Youhana | 20 |
| Yaseen | 20 |
| Yaqub | 20 |
| Youle | 20 |
| Youakim | 20 |
| Yaw | 19 |
| Yohannes | 19 |
| Yokoyama | 19 |
| Yarker | 19 |
| Ymer | 19 |
| Yanni | 19 |
| Yarnton | 18 |
| Yell | 18 |
| Yassa | 18 |
| Yohana | 18 |
| Yari | 18 |
| Youren | 18 |
| Yvette | 18 |