JK
John Kruse — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Kruse across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1920), then head of a 4-person household.
Age 10
b. ~1920
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Kruse |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1920 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mildred Kruse | Spouse | — | 43 | ~1887 |
| John Kruse | Son | — | 10 | ~1920 |
| James Kruse | Son | — | 12 | ~1918 |
| John Kruse | Head | — | 43 | ~1887 |
Census Appearances
1920
Cook, Illinois
Other, age
Cook, Illinois · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Krause |
| Given Name | John Jr. |
| Relationship to Head | grandson |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1920 — 4 household members
| Surname | Kruse |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kriza |
| Given Name | John Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Occupation | Professional Dancer |
| Industry | Theatre business |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 960 |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| 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 Kruse across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Kriza (~0.92 confidence) and father John Kruse (~0.92 confidence) and mother Marie Kriza (~0.92 confidence) and mother Mildred Kruse (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Kriza
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Kruse
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Marie Kriza
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mildred Kruse
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kruse
Son · 1930 · age 10 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
James Kruse
Sibling · 1930 · age 12
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel431:0238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Ramlow | 75 | Head | — | Germany Berlin |
| 2 | Bertha Ramlow | 69 | Wife | — | Germany Berlin |
| 3 | Edith Kaufman | 42 | Head | Proprietor | Illinois |
| 4 | Ruth E. Kaufman | 17 | Daughter | — | Kansas |
| 5 | Edward Kaufman | 13 | Son | — | Kansas |
| 6 | Lorraine Kaufman | 9 | Daughter | — | Indiana |
| 7 | William Reed | 42 | Head | Chief Evaluator | Illinois |
| 8 | Bridget Reed | 68 | Mother | — | Illinois |
| 9 | Kathryn Reed | 38 | Sister | Clerk - Office | Illinois |
| 10 | Frederick P. Jacobity | 37 | Head | Broker | Germany Berlin |
| 11 | Winifred Jacobity | 38 | Wife | — | New York |
| 12 | John P. Kruse | 43 | Head | Contracting Foreman | Illinois |
| 13 | Mildred Kruse | 43 | Wife | — | Illinois |
| 14 | James Kruse | 12 | Son | — | Illinois |
| 15 | John Jr. Kruse THIS PERSON | 10 | Son | — | Illinois |
| 16 | William Crowley | 33 | Head | Steam Fitter | Illinois |
| 17 | Edith Crowley | 30 | Wife | Asst Head Waiter | England |
| 18 | Robert Crowley | 6 | Son | — | Illinois |
| 19 | Robert Stare | 25 | Head | Machine Operator | Indiana |
| 20 | Mary Stare | 24 | Wife | — | Pennsylvania |
| 21 | Robert Jr. Stare | 1 | Son | — | Illinois |
| 22 | Louis Trow | 58 | Head | Attendant | Indiana |
| 23 | Alfred Trow | 21 | Son | Welder | Indiana |
| 24 | Walter De Vries | 23 | Head | — | Illinois |
| 25 | Frances De Vries | 22 | Wife | Retail Merchant | Illinois |
| 26 | Paul Sr. Schultz | 76 | Head | — | Germany Malchin |
| 27 | Nellie Schultz | 44 | Wife | — | New York |
| 28 | Kathryn Schultz | 18 | Daughter | — | Illinois |
| 29 | Paul Jr. Schultz | 11 | Son | — | Illinois |
| 30 | Anna Schlomann | 44 | Head | House Servant | Hungary Roumania |
| 31 | Emma Schlomann | 20 | Daughter | Sales Girl | Illinois |
| 32 | Rudolph Engstrom | 24 | Nephew | Bookkeeper | Sweden |
| 33 | Irene Engstrom | 23 | Niece | — | Canada English |
| 34 | Frank Jaczynski | 45 | Head | Carpenter | Poland |
| 35 | Mary Jaczynski | 45 | Wife | — | Poland |
| 36 | Alice Jaczynski | 15 | Daughter | — | Illinois |
| 37 | Genevieve Jaczynski | 12 | Daughter | — | Illinois |
| 38 | Henrietta Jaczynski | 10 | Daughter | — | Illinois |
| 39 | Matt Tedasce | 53 | Head | — | Italy |
| 40 | Rose Tedasce | 43 | Wife | — | Italy |
| 41 | Kathryn Tedasce | 25 | Daughter | Stenographer | Illinois |
| 42 | Angeline Tedasce | 22 | Daughter | Mechanic | Illinois |
| 43 | James Tedasce | 20 | Son | Helper | Illinois |
| 44 | Joseph Tedasce | 18 | Son | — | Illinois |
| 45 | Frank Tedasce | 15 | Son | — | Illinois |
| 46 | Carmella Tedasce | 13 | Daughter | — | Illinois |
| 47 | Phyllis Tedasce | 11 | Daughter | — | Illinois |
| 48 | Theresa Tedasce | 7 | Daughter | — | Illinois |
| 49 | Emma Tedman | 70 | Head | Waitress | Illinois |
| 50 | Robert Mc Laughlin | 64 | Head | Gate Watchman | Virginia |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)