MR
Margaret Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Margaret Robertson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Robertson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Lowell city |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Lowell 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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Thomas Robertson | Head | — | 53 | ~1887 |
| Janette Robertson | Daughter | — | 18 | ~1922 |
| Catherine Robertson | Daughter | — | 23 | ~1917 |
| Margaret Robertson | Spouse | — | 52 | ~1888 |
| Jean Robertson | Daughter | — | 25 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Other, age 30
Middlesex, Massachusetts · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotch |
| Mother's Birthplace | Scotland |
| Occupation | Yes |
| Industry | Bookkeeper |
| Class of Worker | Creamery |
| Can Read | Scotch |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Home Owned/Rented | 1910 |
| Birth Country | Scotland |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | scotland |
1930
Middlesex, Massachusetts
Other, age 41
Middlesex, Massachusetts · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1923 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Middlesex-County, Massachusetts
Spouse, age 52
Middlesex-County, Massachusetts · implied b. ~1888 — 5 household members
| Surname | Robertson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Lowell city |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| 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 Margaret Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Robertson
Spouse · 1940 · age 52 · b. ~1888 · 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-t0627-01691-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Perron | 63 | Lodger | Barber | Massachusetts |
| 42 | James Broadbent | 49 | Head | Laborer | New Hampshire |
| 43 | Marjorie A. Broadbent | 48 | Wife | — | Vermont |
| 44 | Theresa Broadbent | 11 | Daughter | — | Massachusetts |
| 45 | Eugene Ouellette | 42 | Head | Clerk | New Hampshire |
| 46 | Mary Ouellette | 38 | Wife | — | Massachusetts |
| 47 | Francis Ouellette | 13 | Son | — | Massachusetts |
| 48 | Eugene Ouellette | 5 | Son | — | Massachusetts |
| 49 | Edwin Murphy | 32 | Head | Chauffeur | Massachusetts |
| 50 | Alice Murphy | 31 | Wife | Saleslady | Massachusetts |
| 51 | Herbert Ball | 54 | Head | Edge Trimmer | Maine |
| 52 | Philomene Ball | 53 | Wife | — | Massachusetts |
| 53 | Laughter Rose | 35 | Daughter | Hairdress | Massachusetts |
| 54 | Raymond Rose | 28 | Son | — | Massachusetts |
| 55 | Thomas Robertson | 53 | Head | Carder | Scotland |
| 56 | Margaret Robertson THIS PERSON | 52 | Wife | — | Scotland |
| 57 | Jean Robertson | 25 | Daughter | Switchboard | Scotland |
| 58 | Catherine Robertson | 23 | Daughter | Clerk | Scotland |
| 59 | Janette Robertson | 18 | Daughter | — | Scotland |
| 60 | Raymond Ball | 28 | Head | Shoe Cutter | Massachusetts |
| 61 | Marion Ball | 29 | Wife | Stitcher | Massachusetts |
| 62 | Jeremiah Martin | 68 | Father-in-law | — | Massachusetts |
| 63 | Edith Smith | 57 | Head | Mover | Massachusetts |
| 64 | Edith Smith | 54 | Wife | — | Illinois |
| 65 | Beulah Smith | 22 | Daughter | Secretary | Massachusetts |
| 66 | Madovise Smith | 19 | Daughter | Bookkeeper | Massachusetts |
| 67 | Frank B. Smith | 20 | Son | Splicer | Massachusetts |
| 68 | Mildred Flynn | 26 | Lodger | Stitcher | Massachusetts |
| 69 | Charles Branchaud | 71 | Head | Butcher | Canada-French |
| 70 | Emma Q. Branchaud | 67 | Wife | — | Massachusetts |
| 71 | Victoria Tufault | 75 | Sister-in-law | — | Canada-French |
| 72 | Valliera Pieton | 19 | Niece | Knitter | Massachusetts |
| 73 | — | None | — | — | — |
| 74 | Ralph W. George | 44 | Head | Clergyman | New York |
| 75 | Lillian I. George | 41 | Wife | — | Maine |
| 76 | Charles Goodhue | 50 | Head | Salesman | Massachusetts |
| 77 | Maude Goodhue | 49 | Wife | — | Massachusetts |
| 78 | Charles Jr. Goodhue | 16 | Son | — | Massachusetts |
| 79 | Alice Goodhue | 12 | Daughter | — | Massachusetts |
| 80 | Catherine Goodhue | 10 | Daughter | — | 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)