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William Robertson — 1940 US Census Record
Model Tree available1940 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), with identified parents Alexander & Jane — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
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 | 29 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Ipswich Town |
| 1935 Residence (County) | Essex |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | wood carver |
| Industry | shipyard |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Wood Carver |
| Township / Ward | Ipswich Town |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Elizabeth Robertson | Daughter | — | 2 | ~1938 |
| William Robertson | Head | — | 29 | ~1911 |
| Adela Robertson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Essex, Massachusetts
Son, age 8
Essex, Massachusetts · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1919 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Essex, Massachusetts
Son, age 19
Essex, Massachusetts · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1919 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, Massachusetts
Head, age 29
Essex-County, Massachusetts · implied b. ~1911 — 3 household members
| Surname | Robertson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Ipswich Town |
| 1935 Residence (County) | Essex |
| Naturalization Status | Alien |
| Occupation | wood carver |
| Industry | shipyard |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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. Identified parents: father Alexander Robertson (~0.92 confidence) and mother Jane Robertson (~0.92 confidence) and father James Robertson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Robertson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Jane Robertson
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
James Robertson
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Robertson
Head · 1940 · age 29 · b. ~1911 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-01582-00203)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 7 | William Robertson THIS PERSON | 29 | Head | Wood Carver | Scotland |
| 8 | Adela Robertson | 37 | Wife | — | Mass |
| 9 | Elizabeth G. Robertson | 2 | Daughter | — | Mass |
| 10 | Donald J. Mcleod | 59 | Head | Caretaker | Canada English |
| 11 | Gertrude R. Mcleod | 41 | Wife | — | Mass |
| 12 | Angus J. Mcleod | 26 | Son | Truck Driver Trucking | Mass |
| 13 | Virginia F. Mcleod | 12 | Daughter | — | Mass |
| 14 | Donna J. Mcleod | 3 | Daughter | — | Mass |
| 17 | Archibald W. Smith | 48 | Head | Author | Spain |
| 18 | Isabelle B. Smith | 38 | Wife | — | New Hampshire |
| 19 | Thomas W. M. Smith | 10 | Son | — | Mass |
| 20 | James M. Smith | 5 | Son | — | Mass |
| 21 | Emily J. M. Smith | 4 | Daughter | — | Mass |
| 22 | Ida Stamber | 50 | Servant | Governess | Switzerland |
| 23 | Howard J. Chapelle | 40 | Head | Architect | Mass |
| 24 | Alice J. Chapelle | 46 | Wife | — | Mass |
| 33 | Joseph L. Hillsdale | 77 | Head | — | Maine |
| 34 | Jeffrey D. Hillsdale | 42 | Son | Fruit Grower | Mass |
| 35 | Kenneth Mcleod | 25 | Farm help | Laborer | New Hampshire |
| 36 | Gladys Mcleod | 19 | Servant | Housekeeper | Rhode Island |
| 37 | Katharine Van Wyck | 33 | Head | — | New Jersey |
| 38 | Molly Van Wyck | 16 | Daughter | — | New York |
| 39 | Leon W. Hebert | 41 | Servant | Butler | New Hampshire |
| 40 | Ethel E. Hebert | 46 | Servant | Cook | New Hampshire |
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)