| The Pottawattamie County Genealogical Society has access to at least one biography for the following early residents of Pottawattamie County. | ||||
| Index | ||||
| Note: Except for Council Bluffs, all references in the second column are to a township. | ||||
| Saar, H. F. | Keg Creek |
| Saar, Julius J. | Keg Creek |
| Sage, Martha E. | James |
| Sanders, Wait H. | Knox |
| Scanlan, M. | Council Bluffs |
| Schierbrock, H. J. | Neola |
| Schlotfeldt, John | Layton |
| Schoentgen, Groneweg | Council Bluffs |
| Schofield, John R. | Wright |
| Schultz, J. H. | Lewis |
| Schultz, John | Valley |
| Schurz, N. | Council Bluffs |
| Scott, Alexander M. | Pleasant |
| Scott, G. W. | Hazel Dell |
| Seebold, Joseph | Rockford |
| Senn, John | James |
| Sharp, Henry | Norwalk |
| Sheets, Thomas | Grove |
| Sherwood, Nathan | Hardin |
| Shugart, E. L. | Council Bluffs |
| Shultz, F. A. | Council Bluffs |
| Sigler, I. M. | Boomer |
| Simpson, William | Pleasant |
| Sims, Jacob | Council Bluffs |
| Sloan, James R. | Belknap |
| Slocum, S. | Belknap |
| Smiley, William M. | Layton |
| Smith, Abraham | Grove |
| Smith, D. J. | Norwalk |
| Smith, E. C. | Council Bluffs |
| Smith, George E. | Knox |
| Smith, J. H. | Macedonia |
| Smith, James F. | Silver Creek |
| Smith, Jesse M. | Lewis |
| Smith, W. | Crescent |
| Smith, Walter I. | Council Bluffs |
| Smith, William H. | Wright |
| Snapp, W. L. | Macedonia |
| Spears, William | Minden |
| Spencer, W. A. | Macedonia |
| Spetman, F. W. | Council Bluffs |
| Spetman, W. C. | Council Bluffs |
| Squire, J. W. | Council Bluffs |
| St. Clair, Augustus J. | Grove |
| Stadter, J. G. | Macedonia |
| Starr, C. G. | Grove |
| Steiner, John | Council Bluffs |
| Steinhilber, E. R. | Council Bluffs |
| Stewart, Hiram | Pleasant |
| Stoker, Mrs. Marguerite | Garner |
| Storrs, H. R. | Center |
| Strahl, J. F. | Minden |
| Strang, W. | Crescent |
| Stroebele, Joseph | James |
| Strohbehn, W. | Council Bluffs |
| Strong, J. M. | Center |
| Stuhr, Jochim | Minden |
| Stuhr, John H. C. | Pleasant |
| Stuhr, John P. | Minden |
| Summers, James A. | Silver Creek |
| Swanson, J. H. | Crescent |
| Swanson, N. | Crescent |
| Swanson, W. S. | Crescent |
| Swobe, Thomas | Council Bluffs |