| Young (2,215,778) | Yates (239,463) | York (198,581) |
| Yang (158,573) | Yoder (100,662) | Yeager (90,856) |
| Yost (76,256) | Yarbrough (75,577) | Youngblood (60,389) |
| Ybarra (44,543) | Yanez (39,271) | Yancey (38,564) |
| Yee (34,672) | Younger (33,846) | Yager (32,151) |
| Yan (31,854) | Yoon (30,564) | Youngs (28,746) |
| Yount (26,338) | Yong (25,803) | Yocum (24,796) |
| Yarborough (23,116) | Yoo (22,666) | Yancy (20,883) |
| Yun (20,315) | Yers (15,207) | Youmans (14,524) |
| Yingling (13,472) | Yeung (12,855) | Yung (12,659) |
| Yen (12,537) | Yuan (12,137) | Yazzie (12,071) |
| Yaeger (11,830) | Ying (11,539) | Yuen (11,414) |
| Yala (11,296) | Yon (10,990) | Yamamoto (10,807) |
| Yeh (10,402) | Yarnell (10,223) |
| Young (4,779) | Yates (917) | York (763) |
| Yoder (303) | Yarbrough (281) | Yeager (279) |
| Yost (194) | Yadon (169) | Youngblood (167) |
| Ybarra (161) | Yancey (135) | Yocum (132) |
| Younger (126) | Yount (114) | Yager (104) |
| Yarborough (84) | Youngs (79) | Yingling (71) |
| Yang (70) | Yancy (55) | Yeubanks (54) |
| Yanez (51) | Yeoman (48) | Yankey (45) |
| Yoho (44) | Yandell (44) | Yoakum (43) |
| Yawn (42) | Yee (41) | Yelverton (41) |
| Yeomans (39) | Yarnell (34) | Yearwood (34) |
| Yon (30) | Yelton (30) | Yeadon (30) |
| Yamashita (30) | Youmans (29) | Yowell (28) |
| Yeary (27) | Yeakel (27) | Yarber (26) |
| Yetter (26) | Yeaton (26) | Yockey (25) |
