| ... | Name | Profession - Item | Location | Birth - Death | Source | Remarks |
| Ichniowski, Casimir Thaddeus, Ph.D. | chemist | Baltmore, MD | 1909 - | Bolek | pharmacologist | |
| Ichniowski, Peter F. | public official | Baltmore, MD | n/a | Bolek | none | |
| Iciek, Rev. Stanislaus A. | journalist, writer | Norwich, CT | 1882 - 1944 | Bolek | editor of "Przewodnik Katolicki" | |
| Idalia, Mother Maria | religious | Chicago, IL | n/a | Bolek | principal, Holy Family of Nazareth | |
| Idzik, Martin | civic worker | Buffalo, NY | n/a | Bolek | general secretary, Polish Union of America | |
| Idziorek, G. Ignace (Ignatius) | colonization agent | Minneapolis, MN | 1872 - | Bolek | Polonia Colonization Company in Colby, Kansas | |
| Ignasiak, Rt. Rev. Msgr. Andrew | clergyman | Erie, PA | ? - 1934 | Bolek | founded St. John Kanty College | |
| Ignasiak, John A. | lawyer | Erie, PA | n/a | Bolek | assistant district attorney | |
| Ignaszak, Francis | printer | Buffalo, NY | n/a | Bolek | none | |
| Ignatius, Mother Maria | religious | Philadelphia, PA | n/a | Bolek | Provincial-Superior, Holy Family of Nazareth | |
| ... | Ilczuk, Michael | machinist | Philadelphia | 1899 - 1979 | E. Pinkowski | - |
|
|
Ilnicka, Barbara | broadcaster | Philadelphia, PA | 1952 - | Wierzbianski | daily radio show on WNWR |
| Ilowiecki, Joseph | physician | Detroit, MI | 1850 - | Bolek | writer, translator, editor "Swoboda" | |
| Imbiorski, Walter John | civil service official | Chicago, IL | 1896 - | Bolek | clerk, Superior Court of Cook County | |
| ... | Indyk, Joseph | politician | Helmetta, NJ | 1917 - 2007 | E. Pinkowski | mayor, farmer |
| ... | Inglot, Peter B. | engineer | Chicago, IL | 1924 - | Wierzbianski | executive, Polish Army vet. |
| Infeld, Leopold | physicist | Princeton, NJ | 1898 - | Pol-Am News | none | |
| Innocent, Mother Maria | religious | Hamburg, NY | n/a | Bolek | educator, Franciscan Sisters | |
| ... | Insogna (Galinski), Mary | retailer | Amsterdam, NY | 1930 - | Wierzbianski | artist, poet |
| Irzyk, Felix | public official | Salem, MA | n/a | Bolek | 1931 elected to House of Representatives, Mass. | |
| Isban, Helen | teacher | Blossburg, PA | n/a | Bolek | none | |
| Iwanowski, Rev. Bruno P. | clergyman | Simpson, PA | ? - 1931 | Bolek | pastor of Holy Trinity parish | |
| Iwanowski, Sigismund | artist | Westfield, MA | n/a | Bolek | painted Russian Imperial family | |
| Iwanowski, W. W. | undertaker | Erie, PA | n/a | Bolek | none | |
| ... | Iwanski (Evanska), Marie Ida | health analyst | Madison, WI | 1948 - | Wierzbianski | account representative, health planning analyst |
| Iwaszewski, Rev. B., C.S.C. | clergyman | Chicago, IL | 1875 - ? | Bolek | assistant, Holy Trinity Church | |
| ... | Iwinski, Walter John | broadcaster | New Hyde Park, NY | 1931 - | Wierzbianski | CBS audio-visual; U.S. Army veteran |
| Izbicki, Raymond A. | broadcaster | New York, NY | 1921 - 2007 | press | antiques dealer, Anglican priest | |
| Izdebska, Isabelle Mary | lawyer | Chicago, IL | 1907 - | Bolek | none |
Rev: April. 04, 2008