MN
Margaret Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Nelson across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 10-person household.
Age 42
b. ~1898
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | NELSON |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1898 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Regina Nelson | Daughter | — | 1 | ~1939 |
| Mary Nelson | Daughter | — | 5 | ~1935 |
| Margaret Nelson | Daughter | — | 3 | ~1937 |
| William Nelson | Head | — | 40 | ~1900 |
| Albert Nelson | Son | — | 10 | ~1930 |
| Phillip Nelson | Son | — | 7 | ~1933 |
| John Nelson | Son | — | 13 | ~1927 |
| William Nelson | Son | — | 14 | ~1926 |
| Charles Nelson | Son | — | 11 | ~1929 |
| Margaret Nelson | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 31
Suffolk, Massachusetts · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 42
Suffolk-County, Massachusetts · implied b. ~1898 — 10 household members
| Surname | NELSON |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Nelson
Spouse · 1940 · age 42 · b. ~1898 · 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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01668-00137)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Francis | 42 | Head | Cutter | Massachusetts |
| 42 | Mary Francis | 35 | Wife | Operator | Massachusetts |
| 43 | William Kostachuk | 47 | Head | Cook | Austria |
| 44 | Mary Kostachuk | 45 | Wife | Cooks Assistant | Austria |
| 45 | Rose Kostachuk | 23 | Daughter | Stock Clerk | Massachusetts |
| 46 | Steve Kostachuk | 22 | Son | New Worker | Massachusetts |
| 47 | Victor Kostachuk | 18 | Son | — | Massachusetts |
| 48 | Francis Crowley | 39 | Head | Accountant | Massachusetts |
| 49 | Genevieve Crowley | 38 | Wife | — | Massachusetts |
| 50 | Mary Crowley | 11 | Daughter | — | Massachusetts |
| 51 | Francis Crowley | 8 | Son | — | Massachusetts |
| 52 | John Crowley | 4 | Son | — | Massachusetts |
| 53 | Dennis Crowley | 53 | Head | Tally Man | Eire |
| 54 | Hanna Crowley | 52 | Wife | — | Eire |
| 55 | George Crowley | 24 | Son | Chauffeur | Massachusetts |
| 56 | John Crowley | 21 | Son | Laborer | Massachusetts |
| 57 | Charles Crowley | 17 | Son | — | Massachusetts |
| 58 | William Nelson | 40 | Head | Clerk | Massachusetts |
| 59 | Margaret Nelson THIS PERSON | 42 | Wife | — | Massachusetts |
| 60 | William F. Nelson | 14 | Son | — | Massachusetts |
| 61 | John T. Nelson | 13 | Son | — | Massachusetts |
| 62 | Charles Nelson | 11 | Son | — | Massachusetts |
| 63 | Albert Nelson | 10 | Son | — | Massachusetts |
| 64 | Phillip Nelson | 7 | Son | — | Massachusetts |
| 65 | Mary Nelson | 5 | Daughter | — | Massachusetts |
| 66 | Margaret Nelson | 3 | Daughter | — | Massachusetts |
| 67 | Regina Nelson | 1 | Daughter | — | Massachusetts |
| 68 | Bernard Derzanski | 49 | Head | Machinist | Poland |
| 69 | Mary Derzanski | 42 | Wife | Cook | Poland |
| 70 | Walter Derzanski | 23 | Son | New Worker | Massachusetts |
| 71 | Chester Derzanski | 20 | Son | Chauffeur | Massachusetts |
| 72 | Louise Derzanski | 18 | Daughter | Laborer | Massachusetts |
| 73 | Edward Derzanski | 9 | Son | — | Massachusetts |
| 74 | James Fitzgerald | 41 | Head | Investigator | Massachusetts |
| 75 | Mary Fitzgerald | 28 | Daughter | Clerk | Massachusetts |
| 76 | Barbara Fitzgerald | 7 | Daughter | — | Massachusetts |
| 77 | Olga Ericksen | 56 | Head | Cook | Norway |
| 78 | Ryder Ericksen | 25 | Son | Repair Man | Massachusetts |
| 79 | John Kuhn | 70 | Head | — | Massachusetts |
| 80 | Sarah Kuhn | 70 | 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)