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Harry Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Harry Allen across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Ellen — first a head (b.~1888), then head of a 9-person household.
Age 52
b. ~1888
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Allen |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rural Twp. |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 32 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Rural Twp |
| Est. Birth Year | ~1888 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Jean Allen | Daughter | — | 13 | ~1927 |
| Joy Allen | Daughter | — | 17 | ~1923 |
| Ellen Allen | Daughter | — | 10 | ~1930 |
| Mary Allen | Daughter | — | 15 | ~1925 |
| Harry Allen | Head | — | 52 | ~1888 |
| William Allen | Son | — | 24 | ~1916 |
| Raymond Allen | Son | — | 12 | ~1928 |
| Robert Allen | Son | — | 26 | ~1914 |
| Ethel Allen | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Rock Island, …
Son, age 32
Rock Island, Illinois · implied b. ~1888 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allan |
| Given Name | Harry A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Head, age 42
Rock Island, Illinois · implied b. ~1888 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Harry A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Head, age 52
Rock-Island-County, Illinois · implied b. ~1888 — 9 household members
| Surname | Allen |
| Given Name | Harry A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rural Twp. |
| 1935 Residence (County) | Rock Island |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 32 |
| Income (1939) | 0 |
| 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 Harry Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ellen Allan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ellen Allan
b. ~1852
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Allen
Head · 1940 · age 52 · b. ~1888 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00877-00517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hyal C. Lester | 41 | Head | Farmer | Virginia |
| 2 | Lydia M. Lester | 40 | Wife | — | Indiana |
| 3 | Ronald D. Lester | 11 | Son | — | Illinois |
| 4 | Billy C. Lester | 10 | Son | — | Illinois |
| 5 | Elizabeth J. Lester | 7 | Daughter | — | Illinois |
| 6 | Le Roy F. Johnson | 37 | Head | Sub Sta. Man | Nebraska |
| 7 | Clara L. Johnson | 29 | Wife | — | Illinois |
| 8 | Betty Ann Johnson | 2 | Daughter | — | Iowa |
| 9 | Lyle Keith Johnson | 0 | Son | — | Iowa |
| 10 | Francis Kelley | 22 | Servant | Laborer | Illinois |
| 11 | Ralph J. De Schepper | 41 | Head | Farmer | Illinois |
| 12 | Dorothy De Schepper | 35 | Wife | — | Illinois |
| 13 | Daniel D. De Schepper | 15 | Son | Laborer | Illinois |
| 14 | Rosella A. De Schepper | 12 | Daughter | — | Illinois |
| 15 | Marjorie R. De Schepper | 9 | Daughter | — | Illinois |
| 16 | Joseph V. De Schepper | 6 | Son | — | Illinois |
| 17 | Robert J. De Schepper | 3 | Son | — | Illinois |
| 18 | Veronica J. De Schepper | 2 | Daughter | — | Illinois |
| 19 | Bernard J. De Schepper | 0 | Son | — | Illinois |
| 20 | Charles O. Blucher | 55 | Head | Farmer | Illinois |
| 21 | Selma L. Blucher | 50 | Wife | — | Minnesota |
| 22 | Donald E. Blucher | 22 | Son | Laborer | Illinois |
| 23 | Charles J. Hinrich | 52 | Head | Laborer | Blacksmith | Illinois |
| 24 | Laura M. Hinrich | 52 | Wife | — | Illinois |
| 25 | Francis R. Hinrich | 23 | Son | Laborer | Illinois |
| 26 | Elnora J. Hinrich | 17 | Daughter | — | Illinois |
| 27 | George A. Hinrich | 13 | Son | — | Illinois |
| 28 | Donald J. Hinrich | 8 | Son | — | Illinois |
| 29 | Ronald J. Hinrich | 4 | Son | — | Illinois |
| 30 | William Cook | 63 | Head | Farmer | Kansas |
| 31 | Millie M. Cook | 58 | Wife | — | Indiana |
| 32 | Harry A. Allen THIS PERSON | 52 | Head | Farmer | Illinois |
| 33 | Ethel Allen | 50 | Wife | — | Illinois |
| 34 | Robert A. Allen | 26 | Son | Truck Driver | Illinois |
| 35 | William J. Allen | 24 | Son | — | Illinois |
| 36 | Joy Carol Allen | 17 | Daughter | — | Illinois |
| 37 | Mary S. Allen | 15 | Daughter | — | Illinois |
| 38 | Jean D. Allen | 13 | Daughter | — | Illinois |
| 39 | Raymond J. Allen | 12 | Son | — | Illinois |
| 40 | Ellen Allen | 10 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Harry
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 1940 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)