JH
John Hendrickson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Hendrickson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents John — first a head (b.~1881), then head of a 6-person household.
Age 49
b. ~1881
Male
Head
Born: Finland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Hendrickson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 23 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Home Owned/Rented | R |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Occupation | Farmer |
| Township / Ward | Schaumburg Township |
| Est. Birth Year | ~1881 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alma Hendrickson | Spouse | — | 49 | ~1881 |
| Alice Hendrickson | Daughter | — | 12 | ~1918 |
| Olga Hendrickson | Daughter | — | 16 | ~1914 |
| John Hendrickson | Son | — | 19 | ~1911 |
| John Hendrickson | Head | — | 49 | ~1881 |
| George Hendrickson | Son | — | 10 | ~1920 |
Census Appearances
1920
Lincoln, Wyoming
Son, age 39
Lincoln, Wyoming · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrickson |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Miner |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | finland |
1930
Cook, Illinois
Head, age 49
Cook, Illinois · implied b. ~1881 — 6 household members
| Surname | Hendrickson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 23 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Home Owned/Rented | R |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Dekalb-County, Illinois
Head, age 60
Dekalb-County, Illinois · implied b. ~1880
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Hendrickson |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | DeKalb City |
| 1935 Residence (County) | DeKalb |
| Naturalization Status | Alien |
| Occupation | Laborer |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 260 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Hendrickson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Hendrickson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hendrickson
b. ~1840
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hendrickson
Head · 1930 · age 49 · b. ~1881 · Illinois
★ You are viewing this record
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:illinoiscensus00reel507:0985)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank Martin | 22 | Head | Farmer | Illinois |
| 52 | Henry Passe | 52 | Head | Farmer | Illinois |
| 53 | Clara Passe | 45 | Wife | — | Illinois |
| 54 | Herbert Passe | 20 | Son | Laborer | Illinois |
| 55 | Evelyn Passe | 17 | Daughter | Laborer | Illinois |
| 56 | Raymond Passe | 15 | Son | — | Illinois |
| 57 | Adeline Passe | 11 | Daughter | — | Illinois |
| 58 | Harold Passe | 7 | Son | — | Illinois |
| 59 | William Kuhlman | 51 | Head | Farmer | Illinois |
| 60 | Mary Kuhlman | 46 | Wife | — | Illinois |
| 61 | Mathilda Kuhlman | 28 | Daughter | — | Illinois |
| 62 | Louis Kuhlman | 25 | Son | Laborer | Illinois |
| 63 | Edward Kuhlman | 24 | Son | Laborer | Illinois |
| 64 | Louise Menschung | 64 | Head | Farmer | Illinois |
| 65 | Henry Bohne | 37 | Head | Farmer | Illinois |
| 66 | Alwina Bohne | 29 | Wife | — | Illinois |
| 67 | Homer Bohne | 5 | Son | — | Illinois |
| 68 | Florence Bohne | 2 | Daughter | — | Illinois |
| 69 | George Okerk | 37 | Servant | Laborer | Russia |
| 70 | John Hendrickson THIS PERSON | 49 | Head | Farmer | Finland |
| 71 | Alma Hendrickson | 49 | Wife | — | Czechoslovakia |
| 72 | John Jr. Hendrickson | 19 | Son | Laborer | Illinois |
| 73 | Olga Hendrickson | 16 | Daughter | — | Illinois |
| 74 | Alice Hendrickson | 12 | Daughter | — | Illinois |
| 75 | George Hendrickson | 10 | Son | — | Illinois |
| 76 | Samuel Royer | 35 | Head | Instructor | New York |
| 77 | Jane Royer | 32 | Wife | — | Colorado |
| 78 | Richard Royer | 10 | Son | — | California |
| 79 | Frank Stander | 35 | Head | Watchman | Lithuania |
| 80 | Frank Mrozek | 20 | Boarder | Laborer | Poland |
| 81 | Fred Schrage | 80 | Head | Farmer | Illinois |
| 82 | Sophie Schrage | 67 | Wife | — | Germany |
| 83 | Herman Schrage | 42 | Son | Laborer | Illinois |
| 84 | Joe Schrage | 40 | Son | Laborer | Illinois |
| 85 | William Schrage | 36 | Son | Laborer | Illinois |
| 86 | Louis Kastning | 50 | Head | Farmer | Illinois |
| 87 | Emma Kastning | 48 | Wife | — | Illinois |
| 88 | Paul Kastning | 24 | Son | Laborer | Illinois |
| 89 | George Kastning | 22 | Son | Laborer | Illinois |
| 90 | Marie Kastning | 15 | Daughter | — | Illinois |
| 91 | Anna Kastning | 9 | Daughter | — | Illinois |
| 92 | Harvey Kastning | 6 | Son | — | Illinois |
| 93 | Anna Ert | 22 | Boarder | Teacher | Illinois |
| 94 | William Kastning | 47 | Head | Farmer | Illinois |
| 95 | Emma Kastning | 45 | Wife | — | Illinois |
| 96 | Albert Kastning | 20 | Son | Laborer | Illinois |
| 97 | Helen Kastning | 17 | Daughter | — | Illinois |
| 98 | Verna Kastning | 14 | Daughter | — | Illinois |
| 99 | Margaret Kastning | 12 | Daughter | — | Illinois |
| 100 | Loraine Kastning | 10 | Daughter | — | Illinois |
Pedigree Summary
John
Gen 1 · 1 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)