
The census entries for surnames beginning with Y:
| Surname | Given Name | Age | Birth Place | Precinct | Page/Line | ED | Notes |
| Yager | Chris | 48 | Germany | Connell | 8A/15 | 3-60 | Birthplace unclear |
| Yamaki | Sadao | 28 | Japan | Pasco | 23A/20 | 3-64 | |
| Yamasichi | Asaichiro | 33 | Japan | Pasco | 23B/56 | 3-64 | |
| Yamasichi | Chigo | 3 | WA | Pasco | 23B/59 | 3-64 | |
| Yamasichi | Chika | 28 | Japan | Pasco | 23B/57 | 3-64 | |
| Yamasichi | Harugi | 5 | Hawaii | Pasco | 23B/58 | 3-64 | |
| Yamasichi | Mary | 1 | WA | Pasco | 23B/60 | 3-64 | |
| Yan | Kie | 50 | China | Pasco | 22B/53 | 3-64 | |
| Yang | Hay | 59 | China | Pasco | 22B/62 | 3-64 | |
| Yeakey | Ella | 30 | Germany | Nunamaker | 7A/24 | 3-61 | |
| Yeakey | Lilian | 10 | WI | Nunamaker | 7A/25 | 3-61 | |
| Yeakey | Margaret | 8 | MN | Nunamaker | 7A/26 | 3-61 | |
| Yeakey | Philiip | 43 | WI | Nunamaker | 7A/23 | 3-61 | |
| Yee | Tong | 25 | CA | Pasco | 22B/58 | 3-64 | |
| Yin | Yin Snow | 52 | China | Pasco | 22B/89 | 3-64 | |
| Yong | Chin | 26 | WA | Pasco | 20B/84 | 3-64 | |
| Yonson | Charles | 40 | Sweden | Connell | 7A/18 | 3-60 | |
| Yonson | Martha | 29 | Sweden | Connell | 7A/19 | 3-60 | |
| Yoshino | Haizo | 23 | Japan | Mesa | 7A/3 | 3-59 | Given name unclear |
| Younce | Altha | 14 | ID | Connell | 11B/71 | 3-60 | |
| Younce | Carolina | 17 | WA | Connell | 11B/69 | 3-60 | |
| Younce | Charles | 40 | OH | Connell | 11B/67 | 3-60 | |
| Younce | Elmira | 36 | KS | Connell | 11B/68 | 3-60 | |
| Younce | Ethel | 16 | ID | Connell | 11B/70 | 3-60 | |
| Younce | Florence | 12 | ID | Connell | 11B/72 | 3-60 | |
| Younce | Larkin | 11 | ID | Connell | 11B/73 | 3-60 | |
| Young | Ada M. | 28 | ME | Eltopia | 1B/94 | 3-63 | |
| Young | Anna | 57 | WI | Connell | 13B/71 | 3-60 | |
| Young | Charles J. | 45 | Scotland | Pasco | 10A/28 | 3-64 | |
| Young | Charley | 23 | KS | Fishhook | 6A/49 | 3-63 | |
| Young | David | 17 | WI | Pasco | 10A/30 | 3-64 | |
| Young | Earle | 20 | IA | Nunamaker | 6A/27 | 3-61 | |
| Young | Frank O. | 32 | ME | Eltopia | 1B/93 | 3-63 | |
| Young | Marion | 49 | OH | Pasco | 21A/25 | 3-64 | |
| Young | Nellie P. | 45 | Scotland | Pasco | 10A/29 | 3-64 | |
| Young | Ora | 23 | WI | Connell | 13B/72 | 3-60 | |
| Young | Stella F. | 26 | OH | Rye Grass | 1A/27 | 3-62 | |
| Young | Ward | 20 | WI | Connell | 13B/73 | 3-60 | |
| Young | William | 59 | Canada | Connell | 13B/70 | 3-60 | |
| Yu | Doe | 54 | China | Pasco | 22B/88 | 3-64 | |
| Yum | Lee | 32 | China | Pasco | 23A/7 | 3-64 |