IH
Isaac Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mclean-County, Illinois
Our Model Tree links this Isaac Harris across the 1920, 1930 and 1940 US Censuses in Mclean-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclean-County, Illinois |
| Surname | Harris |
| Given Name | Isaac J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Lawndale twp |
| 1935 Residence (County) | McLean |
| Additional Details | |
| Occupation | Farmer |
| Industry | Operator Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Lawndale Twp |
| Est. Birth Year | ~1896 |
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 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Burhl Harris | Son | — | 20 | ~1920 |
| Isaac Harris | Head | — | 44 | ~1896 |
| Delmar Harris | Son | — | 21 | ~1919 |
| Gladys Harris | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Mclean, Illinois
Head, age 24
Mclean, Illinois · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Ivan J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farm Operator |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mclean, Illinois
Head, age 34
Mclean, Illinois · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Ivan |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mclean-County, Illinois
Head, age 44
Mclean-County, Illinois · implied b. ~1896 — 4 household members
| Surname | Harris |
| Given Name | Isaac J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Lawndale twp |
| 1935 Residence (County) | McLean |
| Occupation | Farmer |
| Industry | Operator Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Highest Grade | No 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 Isaac Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Isaac Harris
Head · 1940 · age 44 · b. ~1896 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mclean-County, Illinois
Open full size
1940 US Federal Census — Mclean-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00842-00458)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Morefield | 26 | Sister-in-law | — | Illinois |
| 2 | Grundy S. Hite | 73 | Head | Farmer | Indiana |
| 3 | Clara Hite | 70 | Wife | — | Indiana |
| 4 | Glenn O. Lukenbill | 22 | Grandson | Farmer | Illinois |
| 5 | Bernadine Lukenbill | 18 | Granddaughter | — | Illinois |
| 6 | Ivan W. Brown | 34 | Head | Farmer | Indiana |
| 7 | Lucille M. Brown | 26 | Wife | — | Kentucky |
| 8 | Mary J. Brown | 10 | Daughter | — | Illinois |
| 9 | Vibla M. Adams | 26 | Boarder | School Teacher | Illinois |
| 10 | Kenneth W. Harris | 24 | Head | Farmer | Illinois |
| 11 | Verla M. Harris | 20 | Wife | — | Illinois |
| 12 | Isaac J. Harris THIS PERSON | 44 | Head | Farmer | Illinois |
| 13 | Gladys R. Harris | 41 | Wife | — | Illinois |
| 14 | Delmar B. Harris | 21 | Son | Assistant Manager | Illinois |
| 15 | Burhl E. Harris | 20 | Son | Farmer | Illinois |
| 16 | Ivan W. Bowless | 19 | Head | Farmer | Illinois |
| 17 | Ellen G. Bowless | 16 | Wife | — | Illinois |
| 18 | Georgia L. Bowless | 1 | Daughter | — | Illinois |
| 19 | John H. @ Alpers | 42 | Head | Farmer | Illinois |
| 20 | Violet L. Alpers | 34 | Wife | — | Illinois |
| 21 | Loren L. Alpers | 11 | Son | — | Illinois |
| 22 | John Jr. Alpers | 8 | Son | — | Illinois |
| 23 | Ralph L. Sweet | 22 | Head | Farm Laborer | Illinois |
| 24 | Irene R. Sweet | 20 | Wife | — | Illinois |
| 25 | Charles Brucker | 68 | Head | — | Illinois |
| 26 | Clarence Brucker | 33 | Son | Farmer | Illinois |
| 27 | Ruth Brucker | 22 | Daughter | — | Illinois |
| 28 | Lorene Brucker | 21 | Daughter | — | Illinois |
| 29 | This Line Was Allowed For Brucker Family. Brucker | None | — | — | — |
| 30 | Peter E. @ Decker | 56 | Head | Farmer | Illinois |
| 31 | Lillie M. Decker | 46 | Wife | — | Illinois |
| 32 | Myla M. Decker | 24 | Daughter | Receptionist | Illinois |
| 33 | Bernice L. Decker | 13 | Daughter | — | Illinois |
| 34 | Betty C. Decker | 6 | Daughter | — | Illinois |
| 35 | Charles E. Brandt | 41 | Head | Farmer | Illinois |
| 36 | Lena E. Brandt | 41 | Wife | — | Illinois |
| 37 | Myla M. Brandt | 17 | Daughter | — | Illinois |
| 38 | Dorothy J. Brandt | 13 | Daughter | — | Illinois |
| 39 | Marjorie A. Brandt | 7 | Daughter | — | Illinois |
| 40 | Pollen E. Smith | 26 | Head | Farm Laborer | Kentucky |
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)