JW
James Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Illinois
Our Model Tree links this James Williams across the 1920, 1930 and 1940 US Censuses in Jackson-County, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Illinois |
| Surname | Williams |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Carbondale Township |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 940 |
| Highest Grade | H 3 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Carpenter |
| Township / Ward | Carbondale Township |
| Est. Birth Year | ~1909 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Sandra Williams | Daughter | — | 2 | ~1938 |
| James Williams | Head | — | 31 | ~1909 |
| Maxine Chapman | Other | — | 18 | ~1922 |
| Annie Williams | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Jackson, Illinois
Son, age 11
Jackson, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jackson, Illinois
Son, age 21
Jackson, Illinois · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kentucky |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jackson-County, Illinois
Head, age 31
Jackson-County, Illinois · implied b. ~1909 — 4 household members
| Surname | Williams |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Carbondale Township |
| Occupation | Carpenter |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 940 |
| Highest Grade | H 3 |
| 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 James Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Williams (~0.92 confidence) and father John Williams (~0.92 confidence) and mother Nannie Williams (~0.92 confidence) and mother Hannie Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Williams
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Williams
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Nannie Williams
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Hannie Williams
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Williams
Head · 1940 · age 31 · b. ~1909 · 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 — Jackson-County, Illinois
Open full size
1940 US Federal Census — Jackson-County, Illinois
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-00814-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia M. Barber | 50 | Director | Director | Illinois |
| 2 | Reba H. W. Hartley | 28 | Nurse | — | Illinois |
| 3 | Grace Lines | 48 | Cook | Cook | Illinois |
| 4 | Myrtle M. Newman | 56 | Cook | Head Cook | Illinois |
| 5 | Mary K. Spiller | 52 | Housekeeper | Housekeeper | Illinois |
| 6 | Ted R. Russell | 40 | Head | — | Illinois |
| 7 | Henrietta Russell | 40 | Wife | — | Kentucky |
| 8 | Mildred L. Russell | 15 | Daughter | — | Illinois |
| 9 | Bobby J. Russell | 8 | Son | — | Illinois |
| 10 | Ramon D. Russell | 6 | Daughter | — | Illinois |
| 11 | Shirley M. Russell | 3 | Daughter | — | Missouri |
| 12 | Janet S. Russell | 2 | Daughter | — | Illinois |
| 13 | James A. Williams THIS PERSON | 31 | Head | Carpenter | Illinois |
| 14 | Annie E. Williams | 26 | Wife | Closer | Arkansas |
| 15 | Sandra L. Williams | 2 | Daughter | — | Illinois |
| 16 | Maxine Chapman | 18 | Maid | Maid | Illinois |
| 17 | Fritz O. Morvin | 59 | Head | Baggageman | Illinois |
| 18 | Katie E. Morvin | 58 | Wife | Seamstress | Illinois |
| 19 | George Morvin | 24 | Son | Farmer | Illinois |
| 20 | Charles B. Morvin | 20 | Son | Blacksmith Helper | Illinois |
| 21 | Arthur E. Warren | 23 | Head | Truck Driver | Illinois |
| 22 | Willie A. Henley | 25 | Head | Truck Driver | Illinois |
| 23 | Lyle D. Henley | 23 | Wife | — | Illinois |
| 24 | Willie D. Henley | 3 | Son | — | Illinois |
| 25 | Berna Dean Henley | 5 | Daughter | — | Illinois |
| 26 | Hubert T. Dover | 33 | Head | Miner | Illinois |
| 27 | Beulah Dover | 26 | Wife | — | Arkansas |
| 28 | James A. Dover | 9 | Son | — | Arkansas |
| 29 | Norman Waller | 29 | Head | Carpenter | Illinois |
| 30 | Golda Waller | 23 | Wife | Repairer | Illinois |
| 31 | Donald Waller | 4 | Son | — | Illinois |
| 32 | Merle Waller | 3 | Son | — | Illinois |
Pedigree Summary
James
Gen 1 · 4 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)