HW
Harold Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Illinois
Our Model Tree links this Harold Williams across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Illinois (XGBoost, ~Confirmed), with identified parents Albert & Bert — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Illinois |
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | North Litchfield Township |
| Additional Details | |
| Occupation | Laborer, road work |
| Industry | W.P.A. Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| Highest Grade | Hs 2 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer, Road Work |
| Township / Ward | North Litchfield Township |
| Est. Birth Year | ~1910 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Alma Williams | Daughter | — | 3 | ~1937 |
| Verma Williams | Daughter | — | 5 | ~1935 |
| Barbara Williams | Daughter | — | 1 | ~1939 |
| Harold Williams | Head | — | 30 | ~1910 |
| Gladys Williams | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Montgomery, Illinois
Son, age 9
Montgomery, Illinois · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Montgomery, Illinois
Son, age 20
Montgomery, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Gen. Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Montgomery-County, Illinois
Head, age 30
Montgomery-County, Illinois · implied b. ~1910 — 5 household members
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | North Litchfield Township |
| Occupation | Laborer, road work |
| Industry | W.P.A. Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| Highest Grade | Hs 2 |
| 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 Harold Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Williams (~0.92 confidence) and father Bert Williams (~0.92 confidence) and mother Maud Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Williams
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Bert Williams
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Maud Williams
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Williams
Head · 1940 · age 30 · b. ~1910 · 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 — Montgomery-County, Illinois
Open full size
1940 US Federal Census — Montgomery-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00860-00822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Albert Billiter | 52 | Head | Farming | Illinois |
| 42 | Pearl Billiter | 51 | Wife | — | Illinois |
| 43 | Tom Horne | 23 | Head | — | England |
| 44 | Dora Horne | 23 | Wife | — | Illinois |
| 45 | Lela Davis | 40 | Daughter | — | Illinois |
| 46 | Frank G. Kean | 28 | Head | Laborer | Illinois |
| 47 | Glenn Kean | 25 | Wife | — | Illinois |
| 48 | Betty Laverne Kean | 7 | Daughter | — | Illinois |
| 49 | Frank G. Jr. Kean | 5 | Son | — | Illinois |
| 50 | Annetta Davis | 83 | Head | — | Illinois |
| 51 | Marie Cockings | 52 | Housekeeper | Housekeeper | Illinois |
| 52 | Clyde Crawford | 26 | Head | Farming | Illinois |
| 53 | Mildred Crawford | 23 | Wife | — | Illinois |
| 54 | Aldin Lee Crawford | 4 | Son | — | Illinois |
| 55 | Harold Eugene Crawford | 2 | Son | — | Illinois |
| 56 | Ronnie Dean Crawford | 1 | Son | — | Illinois |
| 57 | Harold Williams THIS PERSON | 30 | Head | Laborer, Road Work | Illinois |
| 58 | Gladys Williams | 23 | Wife | — | Illinois |
| 59 | Verma Williams | 5 | Daughter | — | Illinois |
| 60 | Alma Lee Williams | 3 | Daughter | — | Illinois |
| 61 | Barbara Williams | 1 | Daughter | — | Illinois |
| 62 | Olive Martin | 54 | Head | — | Illinois |
| 63 | Mary Martin | 26 | Daughter | New Worker | Illinois |
| 64 | Robert Martin | 22 | Son | — | Illinois |
| 65 | W. D. Fulton | 37 | Head | Teaching | Illinois |
| 66 | Letitia Fulton | 38 | Wife | — | Illinois |
| 67 | Sherman Cash | 36 | Head | Farming | Kentucky |
| 68 | Velma Cash | 37 | Wife | — | Illinois |
| 69 | Clifford Cash | 9 | Son | — | Illinois |
| 70 | Vernon Cash | 2 | Son | — | Illinois |
| 71 | Joe Bandy | 37 | Head | Bookkeeper | Illinois |
| 72 | W. P. Draper | 54 | Head | Farming | Illinois |
| 73 | Della Draper | 50 | Wife | — | Illinois |
| 74 | Roy Draper | 33 | Son | Laborer | Illinois |
| 75 | Aubrey Roberts | 41 | Head | Operator Truck | Illinois |
| 76 | Gengra Roberts | 36 | Wife | — | Illinois |
| 77 | Franklin Roberts | 18 | Son | Laborer | Illinois |
| 78 | Orville Bandy | 56 | Head | Laborer | Illinois |
| 79 | Gerald Bandy | 24 | Son | Laborer | Illinois |
| 80 | Cleve Bandy | 54 | Head | Laborer | Illinois |
Pedigree Summary
Harold
Gen 1 · 3 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)