DH
Donald Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Donald Harris across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Phoebe — first a head (b.~1898), then head of a 8-person household.
Age 42
b. ~1898
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Harris |
| Given Name | Donald J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | Calculations |
| Industry | Radio Mfg |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Calculations |
| Township / Ward | Chicago |
| Est. Birth Year | ~1898 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Edward Harris | Son | — | 12 | ~1928 |
| Margaret Harris | Spouse | — | 32 | ~1908 |
| Mary Harris | Daughter | — | 6 | ~1934 |
| Margaret Harris | Daughter | — | 3 | ~1937 |
| Donald Harris | Head | — | 42 | ~1898 |
| Donald Harris | Son | — | 10 | ~1930 |
| Kittie Harney | Other | — | 59 | ~1881 |
| Sue Harris | Daughter | — | 8 | ~1932 |
Census Appearances
1920
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Illinois |
| Occupation | Clerical |
| Industry | Dry Goods |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 31
Cook, Illinois · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Illinois |
| Occupation | Travel Sales |
| Industry | Steel & Iron |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 62.50 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 42
Cook-County, Illinois · implied b. ~1898 — 8 household members
| Surname | Harris |
| Given Name | Donald J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur |
| 1935 Residence (County) | Macon |
| Occupation | Calculations |
| Industry | Radio Mfg |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| 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 Donald Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Harris (~0.92 confidence) and mother Phoebe Harris (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Harris
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Phoebe Harris
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Harris
Head · 1940 · age 42 · b. ~1898 · 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00933-01059)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Whitney | 25 | Head | Comptometer | Minnesota |
| 42 | Ida Whitney | 66 | Mother | — | Illinois |
| 43 | Ray Neale | 35 | Lodger | Stenographer | Kentucky |
| 44 | Donald J. Harris THIS PERSON | 42 | Head | Calculations | Illinois |
| 45 | Margaret Harris | 32 | Wife | — | Kansas |
| 46 | Edward Harris | 12 | Son | — | Illinois |
| 47 | Donald Harris | 10 | Son | — | Illinois |
| 48 | Sue Ann Harris | 8 | Daughter | — | Illinois |
| 49 | Mary Harris | 6 | Daughter | — | Illinois |
| 50 | Margaret Ann Harris | 3 | Daughter | — | Illinois |
| 51 | Kittie Harney | 59 | Servant | Maid | Indiana |
| 52 | Roy Houser | 36 | Head | Salesman | Tennessee |
| 53 | Eleanor Houser | 32 | Wife | — | Michigan |
| 54 | David Houser | 10 | Son | — | Illinois |
| 55 | Richard Houser | 7 | Son | — | Texas |
| 56 | Eileen Armstrong | 30 | Lodger | Stenographer | Michigan |
| 57 | Isaac Price | 48 | Head | Shipping Clerk | Illinois |
| 58 | Edna Price | 44 | Wife | Salesman | Illinois |
| 59 | John Price | 23 | Son | Printer | Illinois |
| 60 | Carl Boehm | 26 | Head | Clerk | Illinois |
| 61 | Eleanor Boehm | 23 | Wife | General Clerk | England |
| 62 | William Miltonice | 26 | Head | — | Illinois |
| 63 | Stella Miltonice | 24 | Wife | — | Illinois |
| 64 | James Miltonice | 5 | Son | — | Illinois |
| 65 | Elaine Miltonice | 4 | Daughter | — | Illinois |
| 66 | Michael Nehr | 56 | Head | Janitor | Romania |
| 67 | Marie Nehr | 56 | Wife | — | Hungary |
| 68 | Michael Nehr | 25 | Son | Helper | Illinois |
| 69 | Frank Nehr | 24 | Son | Truck Driver | Illinois |
| 70 | Josephine Nehr | 21 | Daughter | Stenographer | Illinois |
| 71 | John Abel | 44 | Head | — | Illinois |
| 72 | John Abel | 84 | Father-in-law | — | Hungary |
| 73 | Thomas Owen | 48 | Head | Sign Hanging | Illinois |
| 74 | Isabel Owen | 51 | Wife | — | Indiana |
| 75 | David Skell | 33 | Head | Salesman | Illinois |
| 76 | Anna Skell | 37 | Wife | Sewing | Poland |
| 77 | Joseph Skell | 12 | Son | — | Illinois |
| 78 | Harry Skell | 11 | Son | — | Illinois |
| 79 | Martin Skell | 10 | Son | — | Illinois |
| 80 | Cendrew Hallenbeck | 46 | Head | Salesman | Ohio |
Pedigree Summary
Donald
Gen 1 · 2 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)