| date | event | source |
| 1850 | The Corson Family is living in Lewiston | 1850 Census |
| spring 1856 | John Polis is performing with John Newell | 2 depositions |
| 1856 | John claims to be "of Lincolnville" | Brunswick record of marriage |
| 16-Jul-1856 | John & Joan are married in Brunswick | town record of marriage |
| November/December about 1857 | Mary Isabell Polis is born to John & Joan | age in 1860 & 1870 census deposition of Joan |
| Jan-1858? | Margaret Polis, sister of John, dies Peter Polis, brother of John, is killed in a fight with John [Joan states this was January and the baby was about 6 weeks old] Joan refuses to live in the woods with John after this |
2 depositions |
| Mar-1858 | Joseph Porus age 47 [Polis - John's father ?] Mary Porus age 37 [can't be John's mother] Newell Porus age 15 Tomekin Porus [female] age 10 Peol [Peter] Porus age 37 Newell Porus age 40 John Porus age 28 [right age for our John] |
Penobscot census |
| 1860 | Joan Polis & daughter are living with her parents at Brunswick | 1860 Census |
| Sep-1861 | John & Joan Polis living & working in Lewiston | deposition of Joan |
| Sep-1861 | John Polis & George Eaton fake enlistment Joan says Cushman True? of Topsham was involved in this enlistment & brother, Reuben, was with them |
deposition of Joan no record of enlistments! |
| 22-Sep-1861 | Reuben Corson enlists | military records |
| between 1861 & 1863 | John Polis is reported KIA by George Eaton | deposition of Joan |
| about 1863 | Joan Polis stops living with John [according to Joan, she was with John 7 years!] |
deposition of Joan |
| late summer 1863 | John Polis is at Colbrook NH with the St. Francis Indians | deposition of Elizabeth |
| fall 1863 | John Polis & Elizabeth are married at Colbrook NH move down to West Pownal and camp |
deposition of Elizabeth |
| 8-Dec-1863 | John Polis is "induced" by Greeley Cushman to enlist | depositon of Greeley Cushman & others military records |
| 23-Jan-1864 | John Polis dies of small pox while in service | military records |
| 19-Apr-1864 | Elizabeth Polis files for a widow's pension | pension records |
| about 1870 | Mary Margaret Polis, mother of John, dies at Brunswick | deposition of Joan |
| 1870 | Mary Isabelle Polis with Corson grandparents at Brunswick | 1870 census |
| about June 1883 | Mary Isabelle Polis dies | 3 depositions |
| about 1877 | Joseph Polis, father of John, dies | deposition of Joan |
| about 1880 | Joseph Polis, brother of John, at Old Orchard | deposition of Joan |
|
|
|
|
|
|
|
|