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John Post — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this John Post across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1886), then head of a 6-person household.
Age 34
b. ~1886
Male
Son
Born: Holland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Post |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Holland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Additional Details | |
| Occupation | Laborer |
| Industry | I. C. R. R. Shop |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Year of Naturalization | 1888 |
| Birthplace (normalized) | holland |
| Occupation | Laborer |
| Est. Birth Year | ~1886 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jennie Post | Spouse | — | 63 | ~1857 |
| Nicholas Post | Son | — | 24 | ~1896 |
| William Post | Son | — | 21 | ~1899 |
| Sam Post | Head | — | 63 | ~1857 |
| John Post | Son | — | 34 | ~1886 |
| Jacob Post | Son | — | 28 | ~1892 |
Census Appearances
1920
Cook, Illinois
Son, age 34
Cook, Illinois · implied b. ~1886 — 6 household members
| Surname | Post |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Holland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Occupation | Laborer |
| Industry | I. C. R. R. Shop |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Year of Naturalization | 1888 |
| Birthplace (normalized) | holland |
1930
Cook, Illinois
Son, age 45
Cook, Illinois · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Holland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1891 |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Occupation | Mechanic |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Post across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Post
Son · 1920 · age 34 · b. ~1886 · Illinois
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Sibling
William Post
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nicholas Post
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jacob Post
Sibling · 1920 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu311unit:0481)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Cornelius Housman | 10 | Daughter | — | Illinois |
| 52 | Jacob Housman | 8 | Son | — | Illinois |
| 53 | Ralph Housman | 6 | Son | — | Illinois |
| 54 | Andrew Vatala | 32 | Head | Painter | Czech Slovak |
| 55 | Mary Vatala | 29 | Wife | — | Czech Slovak |
| 56 | Irene Vatala | 5 | Daughter | — | Illinois |
| 57 | Margaret Vatala | 2 | Daughter | — | Illinois |
| 58 | Sam Post | 63 | Head | Laborer | Holland |
| 59 | Jennie Post | 63 | Wife | — | Holland |
| 60 | John Post THIS PERSON | 34 | Son | Laborer | Holland |
| 61 | Jacob Post | 28 | Son | Laborer | Holland |
| 62 | Nicholas Post | 24 | Son | Laborer | Illinois |
| 63 | William Post | 21 | Son | Laborer | Illinois |
| 64 | Gerrit Siderius | 51 | Head | Laborer | Holland |
| 65 | Tillie Siderius | 53 | Wife | — | Holland |
| 66 | Nicholas Cooper | 53 | Head | Laborer | Holland |
| 67 | Jennie Cooper | 45 | Wife | — | Holland |
| 68 | Bertha Cooper | 23 | Daughter | Stenographer | Illinois |
| 69 | Gerrit Cooper | 22 | Son | Laborer | Illinois |
| 70 | Jessie Cooper | 20 | Daughter | Stenographer | Illinois |
| 71 | Peter Cooper | 16 | Son | Laborer | Illinois |
| 72 | Jacob Cooper | 14 | Son | — | Illinois |
| 73 | Hannah Cooper | 12 | Daughter | — | Illinois |
| 74 | Gertrude Cooper | 8 | Daughter | — | Illinois |
| 75 | John Cooper | 2 | Son | — | Illinois |
| 76 | Charles Ryphers | 39 | Head | Butcher | Holland |
| 77 | Edith Ryphers | 33 | Wife | — | Illinois |
| 78 | Esther Ryphers | 9 | Daughter | — | Illinois |
| 79 | Florence Ryphers | 4 | Daughter | — | Illinois |
| 80 | Alap Berger | 34 | Head | Laborer | Illinois |
| 81 | Agnes Berger | 27 | Wife | — | Illinois |
| 82 | John Lundberg | 25 | Head | Laborer | Illinois |
| 83 | Sophia Lundberg | 21 | Wife | — | Illinois |
| 84 | John Lundberg | 2 | Son | — | Illinois |
| 85 | Gertrude Lundberg | 1 | Daughter | — | Illinois |
| 86 | William Robson | 50 | Head | — | Illinois |
| 87 | Thelma Robson | 25 | Daughter | — | Illinois |
| 88 | Arthur Robson | 22 | Son | — | Illinois |
| 89 | William Robson | 18 | Son | — | Illinois |
| 90 | Frank Kotwicki | 36 | Head | Laborer | Poland |
| 91 | Bessie Kotwicki | 35 | Wife | — | Poland |
| 92 | Walter Kotwicki | 13 | Son | — | Rhode Island |
| 93 | Rose Kotwicki | 11 | Daughter | — | Rhode Island |
| 94 | Mary Kotwicki | 10 | Daughter | — | Rhode Island |
| 95 | Janetta Kotwicki | 6 | Daughter | — | Illinois |
| 96 | Frank Kotwicki | 3 | Son | — | Illinois |
| 97 | Raymond Kotwicki | 2 | Son | — | Illinois |
| 98 | Florence Kotwicki | 1 | Daughter | — | Illinois |
| 99 | Jacob Puc | 33 | Head | Laborer | Austria |
| 100 | Mary Puc | 29 | Wife | — | Austria |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)