WS
William Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this William Simpson across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Simpson |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York Bronx Boro |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | Dorman |
| Industry | New York City |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Dorman |
| Township / Ward | New York Bronx Boro |
| Est. Birth Year | ~1898 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Simpson | Head | — | 70 | ~1870 |
| Bernard Simpson | Other | — | 12 | ~1928 |
| William Simpson | Other | — | 16 | ~1924 |
| William Simpson | Son | — | 42 | ~1898 |
| Mary Simpson | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Bronx, New …
Son, age 21
Bronx, New York · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Engineer |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Bronx, New …
Son, age 31
Bronx, New York · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Maintainman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Son, age 42
Bronx-County, New York · implied b. ~1898 — 5 household members
| Surname | Simpson |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York Bronx Boro |
| 1935 Residence (County) | Bronx |
| Occupation | Dorman |
| Industry | New York City |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Simpson (~0.92 confidence) and father William Simpson (~0.92 confidence) and mother Nellie Simpson (~0.92 confidence) and mother Nellie Simpson (~0.92 confidence) and mother Mary Simpson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Simpson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
William Simpson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Nellie Simpson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Nellie Simpson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Simpson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Simpson
Son · 1940 · age 42 · b. ~1898 · New York
★ 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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02484-00184)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Michael Magro | 37 | Head | Policeman | Italy |
| 42 | Jennie Magro | 35 | Wife | — | New York |
| 43 | Dorothy Magro | 13 | Daughter | — | New York |
| 44 | Richard Magro | 12 | Son | — | New York |
| 45 | Michael Magro | 5 | Son | — | New York |
| 46 | Alfred Simpson | 48 | Head | Freight Man | New York |
| 47 | Mary Simpson | 45 | Wife | — | New York |
| 48 | Adolphus Gordon | 27 | Head | Clerk | New York |
| 49 | Edna Gordon | 26 | Wife | — | Texas |
| 50 | Joan Gordon | 4 | Daughter | — | New York |
| 51 | William Simpson | 70 | Head | Watchman | Ireland |
| 52 | Mary Simpson | 65 | Wife | — | Ireland |
| 53 | William Jr Simpson THIS PERSON | 42 | Son | Dorman | New York |
| 54 | William Jr Simpson | 16 | Nephew | — | New Jersey |
| 55 | Bernard Simpson | 12 | Nephew | — | New York |
| 56 | Fredrick Bowen | 54 | Head | Dyer | New York |
| 57 | Mary Bowen | 51 | Wife | Sales Clerk | New York |
| 58 | Fredrick Jr Bowen | 19 | Son | Clerk | New York |
| 59 | John Potthoff | 55 | Head | Collector | New York |
| 60 | Sophia Potthoff | 45 | Wife | — | New York |
| 61 | Louis F Harlow | 37 | Head | Switchman | Mass |
| 62 | Margaret Harlow | 34 | Wife | — | New York |
| 63 | Robert Harlow | 8 | Son | — | New York |
| 64 | Jane Harlow | 5 | Daughter | — | New York |
| 65 | Margaret Harlow | 1 | Daughter | — | New York |
| 66 | William Perry | 37 | Head | Court Attendant | New York |
| 67 | Mary Perry | 37 | Wife | — | New York |
| 68 | William Jr Perry | 7 | Son | — | New York |
| 69 | Robert Perry | 5 | Son | — | New York |
| 70 | William Ward | 50 | Head | Ironworker | Ireland |
| 71 | Mary Ward | 20 | Daughter | Waitress | New York |
| 72 | Eugene Ward | 19 | Son | Messenger | New York |
| 73 | Rose Ward | 16 | Daughter | Domestic | New York |
| 74 | James Ward | 15 | Son | — | New York |
| 75 | Margaret Ward | 13 | Daughter | — | New York |
| 76 | William Ward | 12 | Son | — | New York |
| 77 | Thomas Ward | 6 | Son | — | New York |
| 78 | James Ward | 5 | Son | — | New York |
| 79 | Sara Basin | 58 | Head | Unable To Work | Ireland |
Pedigree Summary
William
Gen 1 · 5 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)