MJ
Margaret Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Margaret Jones across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Sarah — first a daughter (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | 25 |
| Industry | Bus Girl |
| Class of Worker | Restaurant |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | 25 |
| Township / Ward | Boston City |
| Est. Birth Year | ~1920 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Jones | Daughter | — | 20 | ~1920 |
| Barbara Jones | Daughter | — | 24 | ~1916 |
| Ruth Jones | Daughter | — | 19 | ~1921 |
| William Jones | Head | — | 57 | ~1883 |
| Alfred Jones | Son | — | 14 | ~1926 |
| Sarah Jones | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age
Suffolk, Massachusetts · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 10
Suffolk, Massachusetts · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 20
Suffolk-County, Massachusetts · implied b. ~1920 — 6 household members
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (County) | Suffolk |
| Occupation | 25 |
| Industry | Bus Girl |
| Class of Worker | Restaurant |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Jones (~0.92 confidence) and mother Sarah Jones (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Jones
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Sarah Jones
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Jones
Daughter · 1940 · age 20 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Barbara Jones
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Jones
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Jones
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01679-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frederick Conrad | 5 | Son | Same Place | Massachusetts |
| 42 | Hilda Conrad | 2 | Daughter | Same Place | Massachusetts |
| 43 | William Jones | 57 | Head | Machinist | Scotland |
| 44 | Sarah Jones | 52 | Wife | — | Scotland |
| 45 | Barbara Jones | 24 | Daughter | 35 | Massachusetts |
| 46 | Margaret Jones THIS PERSON | 20 | Daughter | 25 | Massachusetts |
| 47 | Ruth Jones | 19 | Daughter | 35 | Massachusetts |
| 48 | Alfred Jones | 14 | Son | — | Massachusetts |
| 49 | William O'Connell | 31 | Head | 40 | Massachusetts |
| 50 | Alice O'Connell | 30 | Wife | — | Massachusetts |
| 51 | James O'Connell | 7 | Son | — | New York |
| 52 | William O'Connell | 5 | Son | Same Place | Massachusetts |
| 53 | Patricia O'Connell | 4 | Daughter | Same Place | Massachusetts |
| 54 | Edward O'Connell | 1 | Son | Same Place | Massachusetts |
| 55 | Nelson Fairweather | 37 | Head | 43 | Massachusetts |
| 56 | Julia Fairweather | 35 | Wife | — | Massachusetts |
| 57 | Dorothy Fairweather | 15 | Daughter | — | Massachusetts |
| 58 | Shirley Fairweather | 6 | Daughter | — | Massachusetts |
| 59 | Eugene Fairweather | 5 | Daughter | — | Massachusetts |
| 60 | Wayne Fairweather | 4 | Son | — | Massachusetts |
| 61 | Roland Fairweather | 1 | Son | — | Massachusetts |
| 62 | Thomas Reid | 45 | Head | Laborer | Scotland |
| 63 | Margaret R. Reid | 40 | Wife | — | Massachusetts |
| 64 | John Reid | 16 | Son | — | Massachusetts |
| 65 | Anna Reid | 15 | Daughter | — | Massachusetts |
| 66 | Barbara Reid | 11 | Daughter | — | Massachusetts |
| 67 | Thomas Reid | 7 | Son | — | Massachusetts |
| 68 | Ellen Stewart | 80 | Lodger | — | Ireland |
| 69 | James O'Connor | 39 | Head | 54 | Massachusetts |
| 70 | Sarah O'Connor | 37 | Wife | — | Newfoundland |
| 71 | James Jr. O'Connor | 11 | Son | — | Massachusetts |
| 72 | Loretta O'Connor | 9 | Daughter | — | Massachusetts |
| 73 | Mary O'Connor | 37 | Sister | 40 | Massachusetts |
| 74 | Nels Toftness | 46 | Head | Watchman | Norway |
| 75 | Ruth Toftness | 38 | Wife | — | Sweden |
| 76 | Anna Toftness | 14 | Daughter | — | Massachusetts |
| 77 | Robert Toftness | 10 | Son | — | Massachusetts |
| 78 | Nels Jr. Toftness | 3 | Son | Same Place | Massachusetts |
| 79 | John Victor | 34 | Head | Elevator Operator | Newfoundland |
| 80 | Alice Victor | 34 | Wife | — | Newfoundland |
Related Census Records
Pedigree Summary
Margaret + 3 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)