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Helen Mcdonald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Williamson-County, Illinois
Our Model Tree links this Helen Mcdonald across the 1920, 1930 and 1940 US Censuses in Williamson-County, Illinois (XGBoost, ~Confirmed), with identified parents Ralph & Christina — first a spouse (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamson-County, Illinois |
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pittsburg Village |
| 1935 Residence (County) | Williamson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Pittsburg Village |
| Est. Birth Year | ~1914 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| George Mcdonald | Son | — | 2 | ~1938 |
| William Mcdonald | Head | — | 29 | ~1911 |
| Helen Mcdonald | Spouse | — | 26 | ~1914 |
| Charles Mcdonald | Son | — | 5 | ~1935 |
Census Appearances
1920
Williamson, Illinois
Other, age 4
Williamson, Illinois · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Daut |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Williamson, Illinois
Daughter, age 14
Williamson, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Williamson-County, Illinois
Spouse, age 26
Williamson-County, Illinois · implied b. ~1914 — 4 household members
| Surname | McDonald |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pittsburg Village |
| 1935 Residence (County) | Williamson |
| Class of Worker | 0 |
| 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 Helen Mcdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Mcdonald (~0.92 confidence) and mother Christina Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Mcdonald
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Christina Mcdonald
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mcdonald
Spouse · 1940 · age 26 · b. ~1914 · 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 — Williamson-County, Illinois
Open full size
1940 US Federal Census — Williamson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00911-00285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John H. Hearn | 77 | Head | — | Tennessee |
| 2 | Myrtle Hearn | 56 | Wife | — | Illinois |
| 3 | Bill Nelly | 60 | Head | Laborer | Illinois |
| 4 | Pansy Nelly | 59 | Wife | — | Illinois |
| 5 | J. B. Rogers | 35 | Head | — | Illinois |
| 6 | James Rogers | 23 | Son | — | Illinois |
| 7 | Maud Dove | 40 | Daughter | — | Illinois |
| 8 | Ralph Dove | 15 | Grandson | — | Illinois |
| 9 | Sylvester Dove | 14 | Grandson | — | Illinois |
| 10 | Doris Dove | 12 | Granddaughter | — | Illinois |
| 11 | Herman Burnette | 31 | Head | — | Oklahoma |
| 12 | Clela Burnette | 33 | Wife | — | Illinois |
| 13 | Billy E. Burnette | 10 | Son | — | Illinois |
| 14 | Weldon Burnette | 8 | Son | — | Illinois |
| 15 | Sam Burnette | 2 | Son | — | Illinois |
| 16 | John S. Burnette | 58 | Head | — | Illinois |
| 17 | Mary M. Burnette | 50 | Wife | — | Illinois |
| 18 | W. A. Richie | 59 | Head | Mail Carrier | Illinois |
| 19 | Elva O. Richie | 51 | Wife | — | Illinois |
| 20 | Vernell Richie | 23 | Son | — | Illinois |
| 21 | Albert Richie | 21 | Son | — | Illinois |
| 22 | Merline Richie | 7 | Daughter | — | Illinois |
| 23 | Raymond Burnette | 46 | Head | Laborer | Illinois |
| 24 | Edith Burnette | 46 | Wife | — | Illinois |
| 25 | Rosetta Burnette | 15 | Daughter | — | Illinois |
| 26 | Robert Burnette | 10 | Son | — | Illinois |
| 27 | Ronald Burnette | 5 | Son | — | Illinois |
| 28 | John H. Mifflin | 67 | Head | — | Kentucky |
| 29 | Ellen Mifflin | 56 | Wife | House Hold | S. Carolina |
| 30 | Walter Mifflin | 18 | Son | — | Missouri |
| 31 | William Mcdonald | 29 | Head | Laborer | Illinois |
| 32 | Helen Mcdonald THIS PERSON | 26 | Wife | — | Illinois |
| 33 | Charles Mcdonald | 5 | Son | — | Illinois |
| 34 | George Mcdonald | 2 | Son | — | Illinois |
| 35 | Cludy Cochran | 61 | Head | — | Illinois |
| 36 | Fanny Cochran | 61 | Wife | — | Mississippi |
| 37 | Atle Burnette | 67 | Head | Laborer | Illinois |
| 38 | Ida Burnette | 51 | Wife | — | Illinois |
| 39 | Marie Burnette | 17 | Daughter | — | Illinois |
| 40 | Annabell Burnette | 15 | Daughter | — | Illinois |
Pedigree Summary
Helen
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)