EJ
Elsie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Elsie Johnson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 6-person household.
Age 53
b. ~1887
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Johnson |
| Given Name | Elsie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Lexington |
| Est. Birth Year | ~1887 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elsie | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Johnson | Daughter | — | 15 | ~1925 |
| Peter Johnson | Head | — | 55 | ~1885 |
| Donald Johnson | Son | — | 19 | ~1921 |
| Harold Johnson | Son | — | 21 | ~1919 |
| Richard Johnson | Son | — | 24 | ~1916 |
| Elsie Johnson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 33
Middlesex, Massachusetts · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elsie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Middlesex, Massachusetts
Spouse, age 44
Middlesex, Massachusetts · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Elsie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Alien |
| Year of Immigration | 1909 |
| Age at First Marriage | 29 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Middlesex-County, Massachusetts
Spouse, age 53
Middlesex-County, Massachusetts · implied b. ~1887 — 6 household members
| Surname | Johnson |
| Given Name | Elsie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Lexington |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Elsie Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Elsie Johnson
Spouse · 1940 · age 53 · b. ~1887 · 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 — 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-t0627-01607-00668)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Peter Johnson | 55 | Head | Operator | Sweden |
| 42 | Elsie Johnson THIS PERSON | 53 | Wife | — | Sweden |
| 43 | Richard Johnson | 24 | Son | Kitchen Helper | Massachusetts |
| 44 | Harold Johnson | 21 | Son | Laborer | Massachusetts |
| 45 | Donald Johnson | 19 | Son | Kitchen Helper | Massachusetts |
| 46 | Elizabeth Johnson | 15 | Daughter | — | Massachusetts |
| 47 | Louise Anson | 82 | Head | — | Latvia |
| 48 | John Lambis | 53 | Son-in-law | Labour | Latvia |
| 49 | Augusta Lambis | 56 | Daughter | — | Latvia |
| 50 | Charles Prelgavsky | 56 | Head | Operator | Lithuania |
| 51 | Emily Prelgavsky | 56 | Wife | — | Lithuania |
| 52 | George O'Dell | 28 | Son-in-law | Automobile Mechanic | Connecticut |
| 53 | Ellen O'Dell | 25 | Daughter | Taster | Massachusetts |
| 54 | Theodore Sweet | 36 | Head | Contractor | North Carolina |
| 55 | Elizabeth Sweet | 38 | Wife | — | Pennsylvania |
| 56 | William Sweet | 26 | Brother | Laborer | North Carolina |
| 57 | Curlys L. Slocum | 62 | Head | Assistant Superintendent | Connecticut |
| 58 | Elizabeth Slocum | 58 | Wife | — | Pennsylvania |
| 59 | Mary A. Slocum | 31 | Daughter | Attendant Nurse | New Jersey |
| 60 | Bateman Slocum | 27 | Son | Laboratory Assistant | Canada-English |
| 61 | H. Elizabeth Slocum | 22 | Daughter | Secretary | Canada-English |
| 62 | Richard Getchel | 27 | Servant | General House-Work | New York |
| 63 | Walter Pease | 53 | Head | Automobile Mechanic | Massachusetts |
| 64 | Anna Pease | 51 | Wife | — | Massachusetts |
| 65 | Mary Gracey | 67 | Head | — | Massachusetts |
| 66 | Joseph J. Gracey | 65 | Brother | — | Massachusetts |
| 67 | Samuel Cannon | 57 | Head | Draftsman | Massachusetts |
| 68 | Grace Cannon | 26 | Wife | — | Massachusetts |
| 69 | Carol Cannon | 2 | Daughter | — | Massachusetts |
| 70 | Carrie Peterson | 46 | Head | Seamstress | Massachusetts |
| 71 | Roy Peterson | 32 | Son | Painter | Massachusetts |
| 72 | Edith Peterson | 24 | Daughter-in-law | House-Keeper | Massachusetts |
| 73 | Carolyn Peterson | 1 | Daughter | — | Massachusetts |
| 74 | Franklin Peterson | 27 | Son | Salesman | Massachusetts |
| 75 | Mabel Peterson | 38 | Daughter-in-law | — | Massachusetts |
| 76 | Faye Peterson | 5 | Grand-daughter | — | Massachusetts |
| 77 | Mark Peterson | 1 | Grand-son | — | Massachusetts |
| 78 | Daniel R. Ross | 57 | Lodger | Manager | Canada-English |
| 79 | Peter Gerard | 45 | Head | Florist | New York |
| 80 | Eva Gerard | 43 | Wife | — | 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)