JH
John Hendricks — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Rock Island, Illinois
Our Model Tree links this John Hendricks across the 1920, 1930 and 1940 US Censuses in Rock Island, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 3-person household.
Age 50
b. ~1880
Male
Head
Born: Belgium
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Rock Island, Illinois |
| Surname | Hendricks |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Belgium |
| Naturalization Status | Naturalized |
| Year of Immigration | 1895 |
| Age at First Marriage | 23 |
| Father's Birthplace | Belgium |
| Mother's Birthplace | Belgium |
| Additional Details | |
| Occupation | Retired |
| Can Read/Write | Yes |
| Mother Tongue | Flemish |
| Home Owned/Rented | R |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Belgium |
| Birthplace (normalized) | belgium |
| Occupation | Retired |
| Township / Ward | City Of Moline |
| Est. Birth Year | ~1880 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Hendricks | Head | — | 50 | ~1880 |
| Clifford Hendricks | Son | — | 26 | ~1904 |
| Mattie Hendricks | Spouse | — | 45 | ~1885 |
Census Appearances
1920
Rock Island, …
Head, age 40
Rock Island, Illinois · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendricks |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Belgium |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Belgium |
| Mother's Birthplace | Belgium |
| Occupation | Retail Merchant |
| Industry | Groceries |
| Class of Worker | Oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Flemish |
| Home Owned/Rented | R |
| Birth Country | Belgium |
| Year of Naturalization | 1902 |
| Birthplace (normalized) | belgium |
1930
Rock Island, …
Head, age 50
Rock Island, Illinois · implied b. ~1880 — 3 household members
| Surname | Hendricks |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Belgium |
| Naturalization Status | Naturalized |
| Year of Immigration | 1895 |
| Age at First Marriage | 23 |
| Father's Birthplace | Belgium |
| Mother's Birthplace | Belgium |
| Occupation | Retired |
| Can Read/Write | Yes |
| Mother Tongue | Flemish |
| Home Owned/Rented | R |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth Country | Belgium |
| Birthplace (normalized) | belgium |
1940
Rock-Island-County, Illinois
Head, age 60
Rock-Island-County, Illinois · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hendrickx |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Belgium |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Naturalization Status | Naturalized |
| Occupation | 64 |
| Hours Worked | 3 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth Country | Belgium |
| Birthplace (normalized) | belgium |
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 Hendricks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Hendricks
Head · 1930 · age 50 · b. ~1880 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Rock Island, Illinois
Open full size
1930 US Federal Census — Rock Island, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel552:0929)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma Verplaetse | 57 | Head | Cleaning | Belgium |
| 2 | Arthur Verplaetse | 59 | Brother | Laborer | Belgium |
| 3 | Alex J. Shultz | 58 | Head | Woodworker | Nebraska |
| 4 | Mary Shultz | 58 | Wife | — | Nebraska |
| 5 | Bertha Shultz | 19 | Daughter | Stenographer | Nebraska |
| 6 | Theophil Pugh | 46 | Head | Blacksmith | Belgium |
| 7 | Euphrasia Pugh | 44 | Wife | — | Belgium |
| 8 | Robert Pugh | 12 | Son | — | Illinois |
| 9 | Gerard Pugh | 16 | Son | Bread Wrapper | Illinois |
| 10 | Frank Pugh | 17 | Son | Laborer | Illinois |
| 11 | Elsie Pugh | 10 | Daughter | — | Illinois |
| 12 | Peter Verhaeghe | 40 | Head | Molder | Belgium |
| 13 | Alice Verhaeghe | 67 | Wife | — | Belgium |
| 14 | Rachel Verhaeghe | 30 | Daughter | — | Belgium |
| 15 | Oscar Verhaeghe | 25 | Son-in-law | Printer | Belgium |
| 16 | Lucy Verhaeghe | 27 | Daughter-in-law | Bedspread Maker | Belgium |
| 17 | Julius Carton | 40 | Head | Laborer | Belgium |
| 18 | Severine Carton | 60 | Wife | — | Belgium |
| 19 | Peter Vanderbeken | 28 | Cousin | Molder | Belgium |
| 20 | Sidonie Vanderbeken | 30 | Cousin | Coremaker | Belgium |
| 21 | Chas Sr Deshepper | 73 | Head | Retired | Belgium |
| 22 | Julia Deshepper | 67 | Wife | — | Belgium |
| 23 | Chas Jr Deshepper | 26 | Son | Assembler Plows | Illinois |
| 24 | Constantie Vandalle | 79 | Head | Retired | Belgium |
| 25 | Honore Vandalle | 32 | Son | Laborer | Belgium |
| 26 | Louise Vandalle | 30 | Daughter-in-law | — | Belgium |
| 27 | Mary Vandalle | 2 | Daughter | — | Illinois |
| 28 | John J. Hendricks THIS PERSON | 50 | Head | Retired | Belgium |
| 29 | Mattie Hendricks | 45 | Wife | — | Illinois |
| 30 | Clifford Hendricks | 26 | Son | Shoemaker | Illinois |
| 31 | Henry Saelens | 40 | Head | Molder | Belgium |
| 32 | Margaret Saelens | 34 | Wife | — | Belgium |
| 33 | Urban Saelens | 19 | Son | Machine Hand | Belgium |
| 34 | Madeline Saelens | 12 | Daughter | — | Minnesota |
| 35 | Agnes Saelens | 8 | Daughter | — | Minnesota |
| 36 | Evelyn Saelens | 6 | Daughter | — | Minnesota |
| 37 | Eric Swanson | 62 | Head | Machinist | Sweden |
| 38 | Anna Swanson | 61 | Wife | — | Sweden |
| 39 | Esther Swanson | 31 | Daughter | — | Illinois |
| 40 | Ruth Swanson | 25 | Daughter | Stenographer | Illinois |
| 41 | Henry E. Beck | 63 | Head | Physician | Belgium |
| 42 | Josephine Beck | 51 | Wife | — | Belgium |
| 43 | Mary Dewalle | 19 | Servant | Servant | Belgium |
| 44 | James Warne | 63 | Head | Partner | Wisconsin |
| 45 | Elizabeth M. Warne | 57 | Wife | — | Wisconsin |
| 46 | Beatrice E. Warne | 27 | Daughter | Asst. Operator | Wisconsin |
| 47 | John Frederickson | 61 | Head | Carpenter | Illinois |
| 48 | Mathilda Frederickson | 70 | Wife | — | Sweden |
| 49 | Raymond Wallgren | 25 | Head | Dispatcher | Missouri |
| 50 | Madeline Wallgren | 22 | Wife | Saleswoman | Belgium |
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)