MJ
Maria Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Maria Johnson across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Female
Spouse
Born: Finland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Quincy |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Quincy |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Maria | Age | Birth yr |
|---|---|---|---|---|
| Bernt Johnson | Head | — | 53 | ~1887 |
| Henry Johnson | Son | — | 25 | ~1915 |
| Walter Johnson | Son | — | 28 | ~1912 |
| Maria Johnson | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Norfolk, Massachusetts
Spouse, age 42
Norfolk, Massachusetts · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Maria J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1907 |
| Age at First Marriage | 23 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Norfolk-County, Massachusetts
Spouse, age 52
Norfolk-County, Massachusetts · implied b. ~1888 — 4 household members
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Finland |
| 1935 Residence (City) | Quincy |
| 1935 Residence (County) | Norfolk |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Maria Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Maria Johnson
Spouse · 1940 · age 52 · b. ~1888 · 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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01630-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Hammar | 62 | Wife | — | Massachusetts |
| 42 | Walter Karlberg | 45 | Head | Electrician | Massachusetts |
| 43 | Julia Karlberg | 41 | Wife | — | Massachusetts |
| 44 | Louise Karlberg | 14 | Daughter | — | Massachusetts |
| 45 | Walter Jr. Karlberg | 12 | Son | — | Massachusetts |
| 46 | Bernt Johnson | 53 | Head | Stone Cutter | Sweden |
| 47 | Maria Johnson THIS PERSON | 52 | Wife | — | Finland |
| 48 | Walter Johnson | 28 | Son | Baker'S Helper | Massachusetts |
| 49 | Henry Johnson | 25 | Son | Window Trimmer | Massachusetts |
| 50 | Sigvald Sobjornsen | 54 | Head | Hand-Maker | Norway |
| 51 | Sigrid Sobjornsen | 42 | Wife | — | Norway |
| 52 | John Skoglund | 55 | Head | Granite Cutter | Sweden |
| 53 | Christine Skoglund | 51 | Wife | — | Sweden |
| 54 | John H. Skoglund | 19 | Son | Salesman | Massachusetts |
| 55 | Albert Skoglund | 17 | Son | Delivery Boy | Massachusetts |
| 56 | Virginia Skoglund | 15 | Daughter | — | Massachusetts |
| 57 | Peter Johnson | 28 | Lodger | — | Norway |
| 58 | Matti Wintala | 56 | Head | Stone Cutter | Finland |
| 59 | Minnie Wintala | 46 | Wife | — | Wisconsin |
| 60 | Irene Wintala | 26 | Daughter | Stenographer | Wisconsin |
| 61 | Ejnar Casperson | 54 | Head | Iron Worker | Sweden |
| 62 | Edith Casperson | 48 | Wife | Housework | Sweden |
| 63 | Martha Casperson | 22 | Daughter | Credit Clerk | Sweden |
| 64 | Sven Casperson | 17 | Son | — | Sweden |
| 65 | John Sullivan | 37 | Head | Fireman | Massachusetts |
| 66 | Helen Sullivan | 32 | Wife | — | Massachusetts |
| 67 | Walter Johnson | 41 | Head | Machinist | Massachusetts |
| 68 | Margaret Johnson | 39 | Wife | — | Massachusetts |
| 69 | Walter Jr. Johnson | 14 | Son | — | Massachusetts |
| 70 | James F. Foy | 71 | Head | Clerk | Irish Free State |
| 71 | Stella S. Foy | 57 | Wife | — | Canada-French |
| 72 | James F. Jr. Foy | 29 | Son | Fireman | Massachusetts |
| 73 | Christopher J. Foy | 64 | Brother | — | Massachusetts |
| 74 | Margaret Powers | 55 | Head | Stenographer | Massachusetts |
| 75 | Alice Powers | 40 | Sister | Teacher | Massachusetts |
| 76 | Joanna Powers | 85 | Mother | — | New Hampshire |
| 77 | Frederick Braun | 57 | Head | Salesman | Massachusetts |
| 78 | Caroline Braun | 53 | Wife | — | Massachusetts |
| 79 | Frederick Braun | 27 | Son | Clerk | Massachusetts |
| 80 | Robert Braun | 23 | Son | Clerk | 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)