| Name | Town |
| YAGER | Albion Gaines Murray |
| YAGGE | Ridgeway |
| YAGO | Shelby |
| YAHNKE | Albion Carlton Kendall |
| YARD | Ridgeway |
| YARDLEY | Ridgeway |
| YARRINGTON | Shelby |
| YASKULSKI | Barre |
| YATES | Albion Clarendon Gaines Shelby |
| YAWMAN | Ridgeway Shelby |
| YAXLEY | Ridgeway |
| YEDZINSKI | Albion |
| YEJP | Albion |
| YOFFREDO | Clarendon |
| YONIS | Murray |
| YORDON | Shelby |
| YOSMO | Murray |
| YOSSOCK | Ridgeway Shelby |
| YOULES | Ridgeway |
| YOUNG(S) | Albion Barre Carlton Gaines Murray Ridgeway Shelby Yates |
| YROWNALK | Albion |
| ZABEL | Shelby |
| ZACCAGINI | Albion Murray |
| ZAKRZEWSKI | Ridgeway |
| ZALAFINO | Albion |
| ZALAVA | Albion |
| ZAMBITO | Albion |
| ZAMOTO | Albion |
| ZANOW | Ridgeway Yates |
| ZAPPONE | Murray |
| ZAPPULLO | Shelby |
| ZARBO | Albion |
| ZEAGER | Albion |
| ZELLNER | Albion |
| ZEMAITIS | Gaines |
| ZEMATO | Albion |
| ZIEGLER | Shelby |
| ZIELINSKA | Ridgeway |
| ZIEMAN | Albion |
| ZIMMERMAN | Ridgeway Shelby |
| ZINNI | Albion |
| ZOLLER | Carlton |
| ZOMACUK | Albion |
| ZORN | Carlton Clarendon |
| ZRAZZARO | Shelby |
| ZUMMO | Albion |
| ZWIFKA | Albion Gaines |
| ZYGLARSKI | Albion |
| ZYNIEWICZ | Albion |