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William Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Wilson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Sarah — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Wilson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Wholesale food |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Malden City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Wilson | Head | — | 30 | ~1910 |
| Bruce Wilson | Son | — | 7 | ~1933 |
| Ruth Wilson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 9
Middlesex, Massachusetts · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | William S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 19
Middlesex, Massachusetts · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 3 household members
| Surname | Wilson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Chauffeur |
| Industry | Wholesale food |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Wilson (~0.92 confidence) and mother Sarah Wilson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Wilson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Sarah Wilson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Wilson
Head · 1940 · age 30 · b. ~1910 · Massachusetts
★ 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01608-00617)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | C. Mannon | 36 | Wife | — | Massachusetts |
| 42 | Gene M. Mannon | 15 | Daughter | — | Massachusetts |
| 43 | June P. Mannon | 15 | Daughter | — | Massachusetts |
| 44 | William Wilson THIS PERSON | 30 | Head | Chauffeur | Massachusetts |
| 45 | Ruth F. Wilson | 31 | Wife | — | Massachusetts |
| 46 | Bruce M. Wilson | 7 | Son | — | Massachusetts |
| 47 | Wesley Farnsworth | 40 | Head | Teller | Massachusetts |
| 48 | Viola H. Farnsworth | 37 | Wife | — | Massachusetts |
| 49 | Janet P. Farnsworth | 7 | Daughter | — | Massachusetts |
| 50 | Effie L. Brown | 51 | Aunt | — | Canada-English |
| 51 | Patrick J. Lewis | 50 | Head | Advertising | Maine |
| 52 | Catherine G. Lewis | 48 | Wife | — | Massachusetts |
| 53 | Marguerite Lewis | 23 | Daughter | Stenographer | Massachusetts |
| 54 | Robert G. Lewis | 21 | Son | Multigraph Operator | Massachusetts |
| 55 | Mary I. Lewis | 13 | Daughter | — | Massachusetts |
| 56 | John J. Maccormack | 49 | Head | Hoseman | Massachusetts |
| 57 | Ellen G. Maccormack | 42 | Wife | — | England |
| 58 | Grace W. Maccormack | 22 | Daughter | Packer | Massachusetts |
| 59 | William O. Stewart | 54 | Head | Teller | Massachusetts |
| 60 | Anna D. Stewart | 52 | Wife | — | Canada-English |
| 61 | William W. Stewart | 21 | Son | Intertype Clerk | Massachusetts |
| 62 | Gertrude E. Stewart | 20 | Daughter | Stenographer | Massachusetts |
| 63 | John J. Dixon | 43 | Head | Plumber | Massachusetts |
| 64 | Emily M. Dixon | 44 | Wife | — | Massachusetts |
| 65 | Shirley E. Dixon | 14 | Daughter | — | Massachusetts |
| 66 | Edward E. Meldon | 62 | Head | Tower Signalman | Canada-English |
| 67 | Emelda Meldon | 60 | Wife | — | Vermont |
| 68 | Kathleen F. Henderson | 52 | Head | Counter Girl | England |
| 69 | Catherine P. Henderson | 10 | Daughter | — | Massachusetts |
| 70 | Janet M. Henderson | 7 | Daughter | — | Massachusetts |
| 71 | Sarah J. Sampson | 65 | Mother | — | England |
| 72 | William D. Henderson | 45 | Brother | Laborer | Massachusetts |
| 73 | Ralph P. Beikman | 51 | Head | — | Massachusetts |
| 74 | Ella S. Beikman | 47 | Wife | — | Maine |
| 75 | Ernest R. Noyes | 23 | Head | Mover | Massachusetts |
| 76 | Elizabeth B. Noyes | 24 | Wife | — | Massachusetts |
| 77 | Frank A. Noyes | 1 | Son | — | Massachusetts |
| 78 | Gustaf D. Peterson | 71 | Head | — | Sweden |
| 79 | Melinda G. Squire | 68 | Sister | — | Sweden |
| 80 | Herbert Peterson | 29 | Nephew | — | Massachusetts |
Related Census Records
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)