JK
John Kramer — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this John Kramer across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Anthony & Andrew — first a son (b.~1903), then head of a 7-person household.
Age 17
b. ~1903
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Kramer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1903 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rosie Kramer | Daughter | — | 7 | ~1913 |
| Sophia Kramer | Daughter | — | 15 | ~1905 |
| Alvina Kramer | Daughter | — | 13 | ~1907 |
| Andrew Kramer | Head | — | 40 | ~1880 |
| John Kramer | Son | — | 17 | ~1903 |
| Frank Kramer | Son | — | 11 | ~1909 |
| Anthony Kramer | Spouse | — | 42 | ~1878 |
Census Appearances
1920
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1903 — 7 household members
| Surname | Kramer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 27
Cook, Illinois · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramarz |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | Driver |
| Industry | Taxi Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 36
Cook-County, Illinois · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramarz |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Driver |
| Industry | Cab Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Kramer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anthony Kramer (~0.92 confidence) and father Andrew Kramer (~0.92 confidence) and mother Antoinette Kramarz (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anthony Kramer
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Andrew Kramer
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Antoinette Kramarz
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kramer
Son · 1920 · age 17 · b. ~1903 · Illinois
★ You are viewing this record
Sibling
Rosie Kramer
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sophia Kramer
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvina Kramer
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Kramer
Sibling · 1920 · age 11
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:1920:14thcensusofpopu327unit:0052)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stella Wachowicz | 7 | Daughter | — | Illinois |
| 2 | John Skibinski | 27 | Head | — | Poland |
| 3 | Mary Skibinski | 21 | Wife | — | Poland |
| 4 | Stephen Lady | 27 | Head | Beater | Poland |
| 5 | Julia Lady | 23 | Wife | Laborer | Poland |
| 6 | Michael Lady | 2 | Son | — | Illinois |
| 7 | Joseph Batko | 42 | Head | Freight Hand | Bohemia |
| 8 | Anna Batko | 32 | Wife | — | Bohemia |
| 9 | Frances Batko | 10 | Daughter | — | Illinois |
| 10 | Florence Batko | 7 | Daughter | — | Illinois |
| 11 | Pauline Ruvinska | 38 | Head | — | Poland |
| 12 | Antoinette Ruvinska | 18 | Daughter | Machine Worker | Poland |
| 13 | John Ruvinska | 9 | Son | — | Illinois |
| 14 | Helen Ruvinska | 7 | Daughter | — | Illinois |
| 15 | Andrew Korzy | 49 | Boarder | Bush Boy | Poland |
| 16 | George Rudjak | 34 | Boarder | Stone Mason | Poland |
| 17 | Frank Kolez | 25 | Head | Moulder | Poland |
| 18 | Minnie Kolez | 24 | Wife | — | Poland |
| 19 | Bernice Kolez | 3 | Daughter | — | Illinois |
| 20 | Irene Kolez | 2 | Daughter | — | Illinois |
| 21 | Mike Jatkow | 29 | Boarder | Shipping Clerk | Poland |
| 22 | Joseph Zaremba | 24 | Boarder | Iron Worker | Poland |
| 23 | Joseph Stribski | 35 | Head | Moulder | Poland |
| 24 | Bertha Stribski | 35 | Wife | — | Poland |
| 25 | Bernice Stribski | 11 | Daughter | — | Illinois |
| 26 | Almore Stribski | 8 | Daughter | — | Illinois |
| 27 | Frank Stribski | 47 | Boarder | Laborer | Poland |
| 28 | Louis Ruinski | 28 | Boarder | Baker | Poland |
| 29 | Julia Tyll | 26 | Head | House Wk. | Poland |
| 30 | Lucille Andrzej | 19 | Boarder | Waitress | Illinois |
| 31 | John Mitych | 30 | Head | Welder | Poland |
| 32 | Julia Mitych | 28 | Wife | — | Poland |
| 33 | Ludwig Mitych | 4 | Son | — | Illinois |
| 34 | Joseph Mitych | 23 | Boarder | Drill Press | Poland |
| 35 | George Antony | 25 | Brother in law | Foreman | Poland |
| 36 | Andrew Kramer | 40 | Head | Moulder | Poland |
| 37 | Anthony Kramer | 42 | Wife | — | Poland |
| 38 | John Kramer THIS PERSON | 17 | Son | — | Illinois |
| 39 | Sophia Kramer | 15 | Daughter | Mapper | Illinois |
| 40 | Alvina Kramer | 13 | Daughter | — | Illinois |
| 41 | Frank Kramer | 11 | Son | — | Illinois |
| 42 | Rosie Kramer | 7 | Daughter | — | Illinois |
| 43 | Sophia Janewski | 28 | Head | Waitress | Poland |
| 44 | John Janewski | 30 | Husband | — | Poland |
| 45 | Walter Latowski | 50 | Head | — | Poland |
| 46 | Frank Latowski | 25 | Son | Salesman | Illinois |
| 47 | Josephine Latowski | 18 | Daughter | Candy Maker | Illinois |
| 48 | Walter Woit | 42 | Head | Salesman | Poland |
| 49 | Lottie Woit | 17 | Daughter | Typewriter | Poland |
| 50 | Rose Woit | 13 | Daughter | — | Poland |
Pedigree Summary
John + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)