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Harry Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jo-Daviess-County, Illinois
Our Model Tree links this Harry Allen across the 1920, 1930 and 1940 US Censuses in Jo-Daviess-County, Illinois (XGBoost, ~Confirmed), with identified parents Margaret — first a head (b.~1897), then head of a 5-person household.
Age 43
b. ~1897
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jo-Daviess-County, Illinois |
| Surname | Allen |
| Given Name | Harry |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galena City |
| 1935 Residence (County) | Jo Daviess |
| Additional Details | |
| Occupation | fireman helper |
| Industry | light & power co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 442 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Fireman Helper |
| Township / Ward | Galena City |
| Est. Birth Year | ~1897 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Joan Allen | Daughter | — | 5 | ~1935 |
| Jeanette Allen | Daughter | — | 2 | ~1938 |
| Harry Allen | Head | — | 43 | ~1897 |
| Robert Allen | Son | — | 12 | ~1928 |
| Laura Allen | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Jo Daviess, …
Son, age 22
Jo Daviess, Illinois · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jo Daviess, …
Head, age 32
Jo Daviess, Illinois · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Harry H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Interstate L. P. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 16.00 |
| Home Value / Rent | R |
| Veteran | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jo-Daviess-County, Illinois
Head, age 43
Jo-Daviess-County, Illinois · implied b. ~1897 — 5 household members
| Surname | Allen |
| Given Name | Harry |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galena City |
| 1935 Residence (County) | Jo Daviess |
| Occupation | fireman helper |
| Industry | light & power co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 442 |
| Highest Grade | No 8 |
| 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 Margaret Allen (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Allen
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Allen
Head · 1940 · age 43 · b. ~1897 · 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 — Jo-Daviess-County, Illinois
Open full size
1940 US Federal Census — Jo-Daviess-County, Illinois
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-00817-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walyo | 42 | wife | — | Illinois |
| 2 | Walyo | 15 | son | — | Iowa |
| 3 | Schneider | 21 | maid | Maid | Wisconsin |
| 5 | William O. Schiele | 52 | head | Doctor | Illinois |
| 6 | Ruth Schiele | 28 | wife | — | Minnesota |
| 11 | Harriet Sperry | 69 | head | Business Manager | Illinois |
| 12 | Jessie E. Sperry | 70 | sister | Secretary | Illinois |
| 13 | Mary E. Sperry | 58 | sister | — | Illinois |
| 15 | Robert Campbell | 25 | head | Salesman | Minnesota |
| 16 | Barbara O. Campbell | 24 | wife | — | Missouri |
| 17 | Arthur F. Radke | 27 | head | Engineer | Wisconsin |
| 18 | Helen E. Radke | 20 | wife | Abstractor | Illinois |
| 19 | Margaret Thompson | 23 | head | Teacher | Indiana |
| 22 | Anna B. Wulff | 45 | head | — | Germany |
| 23 | Osborne Hird | 32 | head | Mail Carrier | Illinois |
| 24 | Remilda O. Hird | 35 | wife | — | Illinois |
| 25 | John Hird | 19 | son | — | Illinois |
| 26 | Mary Korte | 61 | mother-in-law | — | Wisconsin |
| 27 | Edward Link | 32 | head | Office Clerk | Illinois |
| 28 | Marion Link | 32 | wife | — | Illinois |
| 30 | Colin Schroeder | 34 | head | Engineer | Illinois |
| 31 | Alice O. Schroeder | 32 | wife | — | Illinois |
| 32 | Rodney Schroeder | 5 | son | — | Iowa |
| 33 | James Schroeder | 1 | son | — | Iowa |
| 34 | George Schroeder | 68 | father | Superintendent | Iowa |
| 35 | Harry Allen THIS PERSON | 43 | head | Fireman Helper | Illinois |
| 36 | Laura R. Allen | 38 | wife | — | Illinois |
| 37 | Robert Allen | 12 | son | — | Illinois |
| 38 | Joan Allen | 5 | daughter | — | Illinois |
| 39 | Jeanette Allen | 2 | daughter | — | Illinois |
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)