WF
William Ferguson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this William Ferguson across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Ferguson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Filling station operator |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Filling Station Operator |
| Township / Ward | Shrewsbury City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Ferguson | Head | — | 32 | ~1908 |
| Holland Ferguson | Son | — | 5 | ~1935 |
| Helen Ferguson | Spouse | — | 34 | ~1906 |
Census Appearances
1920
St Louis, …
Son, age 11
St Louis, Missouri · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 21
St Louis, Missouri · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Porter |
| Industry | Office Bldg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 32
St.-Louis-County, Missouri · implied b. ~1908 — 3 household members
| Surname | Ferguson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Occupation | Filling station operator |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Missouri |
| 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 Ferguson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Ferguson (~0.92 confidence) and father William Ferguson (~0.92 confidence) and mother Emma Ferguson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Ferguson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
William Ferguson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Emma Ferguson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Ferguson
Head · 1940 · age 32 · b. ~1908 · Missouri
★ 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.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02151-00061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Montgomery | 29 | Head | Staff Physician | Pennsylvania |
| 2 | Erminie Montgomery | 30 | Wife | — | Pennsylvania |
| 3 | John Montgomery | 12 | Son | — | Missouri |
| 5 | James Dieckmeyer | 12 | Son | — | Missouri |
| 6 | Walter Boswell | 32 | Head | Manager | Missouri |
| 7 | Josephine Boswell | 28 | Wife | — | Missouri |
| 8 | Arthur Diedrichsen | 18 | Son | Odd Jobs | Missouri |
| 9 | Paul Carter | 32 | Head | Bus Driver | Arkansas |
| 10 | Gladys Carter | 30 | Wife | District Clerk | Missouri |
| 11 | Lewis Griggs | 37 | Head | Supply Truck Driver | Missouri |
| 12 | Dorothy Griggs | 30 | Wife | — | Missouri |
| 13 | Betty Mae Griggs | 9 | Daughter | — | Missouri |
| 14 | Marian Griggs | 1 | Daughter | — | Missouri |
| 15 | Kenneth Buell | 27 | Head | Truck Driver | Illinois |
| 16 | Kellene Buell | 28 | Wife | — | Illinois |
| 17 | Gene Buell | 9 | Son | — | Indiana |
| 18 | George J. Gaus | 39 | Head | Teller | Missouri |
| 19 | Marie Gaus | 38 | Wife | — | Missouri |
| 20 | Eugene Gaus | 13 | Son | — | Missouri |
| 21 | Barbara Shrewsbury | 12 | Daughter | — | Kentucky |
| 22 | Peter J. Meyer | 36 | Head | Interior Decorator | Germany |
| 23 | Anna Meyer | 35 | Wife | — | Germany |
| 24 | J. L. Mullen | 46 | Employee | Laundress | Missouri |
| 25 | Sophie Kaminski | 20 | Employee | Laundress | Illinois |
| 26 | Frank Holtkamp | 35 | Head | Brick Burner | Missouri |
| 27 | Marie Holtkamp | 33 | Wife | — | Missouri |
| 28 | Robert Holtkamp | 10 | Son | — | Missouri |
| 29 | Everett Elmer | 30 | Head | Electrician | Missouri |
| 30 | Marion Elmer | 29 | Wife | — | Missouri |
| 31 | Marion Elmer | 7 | Daughter | — | Missouri |
| 32 | William Ferguson THIS PERSON | 32 | Head | Filling Station Operator | Missouri |
| 33 | Helen Ferguson | 34 | Wife | — | Missouri |
| 34 | Holland Ferguson | 5 | Son | — | Missouri |
| 35 | Kenneth Scherer | 26 | Head | Route Salesman | Missouri |
| 36 | Josephine Scherer | 23 | Wife | Dressmaker | Missouri |
| 37 | Edward Johnson | 44 | Head | Distributor | Wisconsin |
| 38 | Elva Johnson | 50 | Wife | — | Arkansas |
| 39 | Richard Mccune | 31 | Head | Fireman Transportation Dept | Missouri |
| 40 | Violet Mccune | 32 | Wife | — | Missouri |
Pedigree Summary
William
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)