| Year | Surname | Given Name (s) | County | State | Page | Township or Other Info | Record Type | Database | ID# |
| 1880 | LANDIS | ANNA M. | Clark County | WA | 076 | 3rd District | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030505 |
| 1880 | LANDIS | GEORGE | Clark County | WA | 076 | 3rd District | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030565 |
| 1880 | LANDIS | CHARLES T. | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030523 |
| 1880 | LANDIS | CLARENCE W. | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030526 |
| 1880 | LANDIS | GEORGE H. | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030567 |
| 1870 | LANDIS | JOHN | Lewis County | WA | 152 | Cowlitz Prairie Prect | Federal Population Schedule | WA 1870 Federal Census Index | WAS7a3030605 |
| 1880 | LANDIS | JOSEPHINE | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030628 |
| 1880 | LANDIS | LUCRETIA | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030636 |
| 1880 | LANDIS | NELLIE | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030671 |
| 1880 | LANDIS | RACHEL E. | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030673 |
| 1880 | LANDIS | RHODA A. | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030676 |
| 1880 | LANDIS | SUSAN J. | Lewis County | WA | 387 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030705 |
| 1880 | LANDIS | GEORGE | Spokane County | WA | 080 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030566 |
| 1880 | LANDIS | HENRY* | Spokane County | WA | 081 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030575 |
| 1880 | LANDIS | JACOB M. | Spokane County | WA | 080 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030592 |
| 1880 | LANDIS | JERRY | Spokane County | WA | 080 | No Township Listed | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030598 |
| 1880 | LANDIS | W. H. | Whitman County | WA | 365 | Farmington Village | Federal Population Schedule | WA 1880 Federal Census Index | WAS7a3030713 |
