WD
William Dyer — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this William Dyer across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed), with identified parents W & Mary — first a head (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Dyer |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Yard Clerk |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1920 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Yard Clerk |
| Township / Ward | East St Louis |
| 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 William | Age | Birth yr |
|---|---|---|---|---|
| Audrey Dyer | Daughter | — | 19 | ~1921 |
| Ethel Dyer | Daughter | — | 14 | ~1926 |
| William Dyer | Head | — | 44 | ~1896 |
| Elizabeth Dyer | Spouse | — | 40 | ~1900 |
Census Appearances
1920
St Clair, …
Son, age 24
St Clair, Illinois · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dyer |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Clair, …
Head, age 33
St Clair, Illinois · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dyer |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Yard Clerk |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Clair-County, Illinois
Head, age 44
St.-Clair-County, Illinois · implied b. ~1896 — 4 household members
| Surname | Dyer |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Louis |
| Occupation | Yard Clerk |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1920 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 William Dyer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Dyer (~0.92 confidence) and mother Mary Dyer (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Dyer
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Mary Dyer
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Dyer
Head · 1940 · age 44 · b. ~1896 · 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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00880-00924)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grater Walter Kratz | 12 | son | — | Illinois |
| 42 | Annette Kratz | 10 | daughter | — | Illinois |
| 43 | W. Earl Lusk | 38 | head | Inspector | Illinois |
| 44 | Irene O. Lusk | 34 | wife | — | Missouri |
| 45 | Earl Jr. Lusk | 16 | son | — | Illinois |
| 46 | Betty Jean Lusk | 14 | daughter | — | Illinois |
| 47 | Sherrie Jane Lusk | 8 | daughter | — | Illinois |
| 48 | Lydia D. Jasper | 62 | head | — | Illinois |
| 49 | Thelma Jasper | 27 | daughter | Typist | Illinois |
| 50 | John Saures | 48 | head | Baker | Missouri |
| 51 | Olga O. Saures | 43 | wife | — | Missouri |
| 52 | Theresa Saures | 20 | daughter | — | Missouri |
| 53 | Homer Rable | 34 | head | Construction | Oklahoma |
| 54 | Dorothy O. Rable | 32 | wife | — | Oklahoma |
| 55 | Alma Rable | 14 | daughter | — | Oklahoma |
| 56 | Thelma Rable | 13 | daughter | — | Oklahoma |
| 57 | Wilma Rable | 9 | daughter | — | Oklahoma |
| 58 | W. James Mcphail | 42 | head | Salesman | Illinois |
| 59 | Ethel O. Mcphail | 33 | wife | — | Illinois |
| 60 | Arthur O. Brintingel | 56 | head | Caretaker | Illinois |
| 61 | Rose Brintingel | 61 | wife | — | Illinois |
| 62 | Florence Brintingel | 19 | daughter | Stenographer | Illinois |
| 63 | James O. Love | 59 | head | Laborer | Missouri |
| 64 | Eugene X. Schaffner | 27 | head | Assistant Supt. | Illinois |
| 65 | Anita Schaffner | 20 | wife | — | Illinois |
| 66 | C. Henry O. Schuette | 57 | head | Painter | Illinois |
| 67 | Rose Schuette | 55 | wife | — | Illinois |
| 68 | Catherine Mullane | 45 | boarder | Beauty Operator | Illinois |
| 69 | Stacy | 55 | head | Clerk | Illinois |
| 70 | Lillie Stacy | 84 | mother | — | Illinois |
| 71 | Franklin Stacy | 50 | brother | — | Illinois |
| 72 | H. Scott O. Johnson | 56 | head | Clerk | Illinois |
| 73 | Estelle Johnson | 54 | wife | — | Illinois |
| 74 | William Dyer THIS PERSON | 44 | head | Yard Clerk | Missouri |
| 75 | Elizabeth O. Dyer | 40 | wife | — | Missouri |
| 76 | Audrey Dyer | 19 | daughter | Telephone Operator | Missouri |
| 77 | Ethel May Dyer | 14 | daughter | — | Illinois |
| 78 | Beulah O. Mathis | 41 | head | Waitress | Illinois |
| 79 | Maurice Mathis | 24 | son | Office Boy | Illinois |
Pedigree Summary
William
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)