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James Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this James Robertson across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Supt. Factory |
| Industry | Clothing Factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Supt. Factory |
| Township / Ward | Portland City |
| Est. Birth Year | ~1888 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Robertson | Daughter | — | 24 | ~1916 |
| James Robertson | Head | — | 52 | ~1888 |
| Marjorie Clough | Other | — | 23 | ~1917 |
| James Robertson | Son | — | 14 | ~1926 |
| Arline Robertson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Cumberland, Maine
Head, age 34
Cumberland, Maine · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | supt |
| Industry | factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Head, age 42
Cumberland, Maine · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Superintendent |
| Industry | Clothing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 23 |
| Radio Set | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Head, age 52
Cumberland-County, Maine · implied b. ~1888 — 5 household members
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Occupation | Supt. Factory |
| Industry | Clothing Factory |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 James Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Robertson
Head · 1940 · age 52 · b. ~1888 · Maine
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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 — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01476-00865)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane St. Clair | 34 | Wife | — | Canada-Eng |
| 2 | Ray E. St. Clair | 7 | Son | — | Maine |
| 3 | Sylvia Campbell | 18 | Sister-in-law | — | Canada-Eng |
| 4 | Ronald J. Macgillivray | 27 | Head | Switchman | Massachusetts |
| 5 | Hilda Macgillivray | 24 | Wife | — | Massachusetts |
| 6 | Harold E. Morgan | 38 | Lodger | Switchman | Rhode Island |
| 7 | Ross Stowell | 36 | Lodger | After 5/30 - | — |
| 8 | Carl B. Hoglund | 31 | Head | Cabinet Maker | Maine |
| 9 | May Hoglund | 26 | Wife | — | Maine |
| 10 | — | None | — | — | — |
| 11 | Leonard J. Hoy | 46 | Head | Clergyman | New York |
| 12 | Sadie Hoy | 43 | Wife | — | Canada-Eng |
| 13 | Ralph Hoy | 22 | Son | Shipper | Maine |
| 14 | Abraham Nilsen | 57 | Head | Carpenter | Norway |
| 15 | Anna M. Nilsen | 53 | Wife | — | Norway |
| 16 | Esther Conner | 28 | Daughter | — | Norway |
| 17 | Walter | 30 | Son-in-law | Retreading Tires | Canada-Eng |
| 18 | Esther Ann | 1 | Granddaughter | — | Maine |
| 19 | James Robertson THIS PERSON | 52 | Head | Supt. Factory | Maine |
| 20 | Arline Robertson | 52 | Wife | — | Maine |
| 21 | Phyllis Robertson | 24 | Daughter | Secretary | Maine |
| 22 | James Robertson | 14 | Son | — | Maine |
| 23 | Marjorie Clough | 23 | Lodger | Secretary | Maine |
| 24 | Wendell C. White | 28 | Head | Photographer | New Hampshire |
| 25 | Verna White | 29 | Wife | — | Maine |
| 26 | Walter M. Sherman | 32 | Head | Truck Driver | Maine |
| 27 | Edna D. Sherman | 43 | Wife | — | Maine |
| 28 | Donald R. Marce | 14 | Stepson | — | Maine |
| 29 | William P. Shepligh | 50 | Head | Valuation Engineer | Massachusetts |
| 30 | Dorothy Shepligh | 39 | Wife | — | Tennessee |
| 31 | William Stewart | 67 | Head | Manager | Scotland |
| 32 | Mabel O. Stewart | 46 | Wife | Practitioner | Louisiana |
| 33 | Everett S. Crandall | 30 | Head | Janitor | Maine |
| 34 | Jessie Crandall | 30 | Wife | — | Massachusetts |
| 35 | Everett Jr. Crandall | 9 | Son | — | Maine |
| 36 | Barbara Crandall | 6 | Daughter | — | Maine |
| 37 | Janette Crandall | 4 | Daughter | — | Maine |
| 38 | Maurice Boody | 5 | Lodger | — | Maine |
| 39 | Jennie Crandall | 63 | Mother | — | Canada-Eng |
| 40 | William Bissett | 59 | Head | County Commissioner | Scotland |
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)