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| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|---|---|---|---|---|---|---|---|---|
| Young | 340 | Younger" | 1 | YOEMAN GODFREY | 1 | yèvre, D' | 1 | Yogore | 4 |
| YEAGER | 12 | YEATS | 1 | YEOMAN | 1 | YOUNGS | 8 | Yorgensen | 3 |
| YOUELL | 5 | YAROSLAVOVIC | 1 | YARWOOD | 14 | YOUNGS YOUNG | 1 | Yutzy | 2 |
| YAROSLAVNA | 1 | YAROSLAVICH | 2 | YORKE | 14 | Yarbro | 1 | Younger | 2 |
| YNGVASSON | 3 | YAROLSAVICH ;[DUKE OF NOVGOROD] | 1 | Yngvi | 1 | Yost | 1 | YARNALL | 1 |
| YNGVI-FREYSSON | 2 | YAROSLAVICH (GRAND DUKE OF KIEV) | 1 | YANCEY | 27 | Yetter | 1 | YARDLEY | 1 |
| Yount | 177 | YAROSLAVNA PRINCESS OF KIEV | 1 | Yelverston | 1 | Younce | 11 | YOUNGLOVE | 3 |
| YNGVASDOTTER | 1 | YNYR | 1 | Young (Jung) | 1 | Yon | 1 | - | - |
| YOWELL | 1 | YATES | 2 | YEE | 3 | Yerty | 1 | - | - |
| YOUELL EWELL | 1 | YOEMAN (YEOMAN) | 1 | York | 5 | Yoder | 1 | - | - |