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William Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this William Robertson across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Robertson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carder |
| Industry | Textile |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Carder |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1883 |
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 Robertson | Head | — | 57 | ~1883 |
| Kingsley Robertson | Son | — | 21 | ~1919 |
| Allain Robertson | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Essex, Massachusetts
Head, age 33
Essex, Massachusetts · implied b. ~1887 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1912 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Floorworker |
| Industry | Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Essex, Massachusetts
Head, age 43
Essex, Massachusetts · implied b. ~1887 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1912 |
| Age at First Marriage | 24 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Woolsorter |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, Massachusetts
Head, age 57
Essex-County, Massachusetts · implied b. ~1883 — 3 household members
| Surname | Robertson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Occupation | Carder |
| Industry | Textile |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Robertson
Head · 1940 · age 57 · b. ~1883 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
8 people indexed on this census page (nara:1940:m-t0627-01584-00294)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Robertson THIS PERSON | 57 | Head | Carder | Scotland |
| 2 | Allain Robertson | 57 | Wife | Finisher | Scotland |
| 3 | Kingsley Robertson | 21 | Son | Bar Tender | Massachusetts |
| 4 | Arthur Larique | 48 | Head | Carder | Vermont |
| 5 | Enis Larique | 41 | Wife | — | Massachusetts |
| 6 | Ronald Larique | 10 | Son | — | Massachusetts |
| 7 | Harvey Larique | 5 | Son | — | Massachusetts |
| 8 | Norman W Fountain | 48 | Head | Machinist | Massachusetts |
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)