MS
Mary Stafford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Stafford across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Stafford |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Boston City |
| Est. Birth Year | ~1925 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Walter Stafford | Son | — | 13 | ~1927 |
| Florence Stafford | Spouse | — | 36 | ~1904 |
| Walter Stafford | Head | — | 42 | ~1898 |
| Mary Stafford | Daughter | — | 15 | ~1925 |
| Robert Stafford | Son | — | 12 | ~1928 |
| Irene Stafford | Daughter | — | 9 | ~1931 |
| Claire Stafford | Daughter | — | 5 | ~1935 |
| Georgiana Stafford | Daughter | — | 3 | ~1937 |
| Edward Stafford | Son | — | 11 | ~1929 |
| Peter Stafford | Son | — | 1 | ~1939 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 5
Suffolk, Massachusetts · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stafford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Suffolk-County, Massachusetts
Daughter, age 15
Suffolk-County, Massachusetts · implied b. ~1925 — 10 household members
| Surname | Stafford |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Hs 1 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Mary Stafford across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stafford
Daughter · 1940 · age 15 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
Georgiana Stafford
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Stafford
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Stafford
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Stafford
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Stafford
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Stafford
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Stafford
Sibling · 1940 · age 9
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-t0627-01659-00360)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Michael Hardiman | 34 | Lodger | Laborer | Massachusetts |
| 42 | Joseph Morris | 63 | Lodger | Laborer | Canada-French |
| 43 | Rosa M Mose|Rose | 49 | Head | Laborer | Massachusetts |
| 44 | Lydia M Mose|Rose | 22 | Daughter | New Worker | Massachusetts |
| 45 | Thomas R Mose|Rose | 20 | Son | Laborer | Massachusetts |
| 46 | Amos S Mose|Rose | 18 | Son | Woodsman | Massachusetts |
| 47 | Alice M Mose|Rose | 15 | Daughter | — | Massachusetts |
| 48 | Rose E Mose|Rose | 12 | Daughter | — | Massachusetts |
| 49 | Robert T Mose|Rose | 2 | Son | — | Massachusetts |
| 50 | Pauline S Ambrose | 45 | Head | — | Massachusetts |
| 51 | John J Ambrose | 18 | Son | Senior Clerk | Massachusetts |
| 52 | Erling W Ambrose | 17 | Son | — | Massachusetts |
| 53 | Claire A Ambrose | 7 | Daughter | — | Massachusetts |
| 54 | Wilbur J Ambrose | 5 | Son | — | Massachusetts |
| 55 | Henry Parks | 48 | Head | Printer | Massachusetts |
| 56 | John J Daley | 25 | Lodger | Laborer | Massachusetts |
| 57 | Samuel J Doble | 48 | Head | Chief Clerk | Massachusetts |
| 58 | Francis E Doble | 25 | Son | Watchman | Massachusetts |
| 59 | Samuel J Jr Doble | 21 | Son | Chief Clerk | Massachusetts |
| 60 | Ruth M Doble | 18 | Daughter | — | Massachusetts |
| 61 | Paul V Doble | 16 | Son | — | Massachusetts |
| 62 | Arthur J Doble | 14 | Son | — | Massachusetts |
| 63 | Walter M Stafford | 42 | Head | Longshoreman | Canada-English |
| 64 | Florence M Stafford | 36 | Wife | — | Massachusetts |
| 65 | Mary A Stafford THIS PERSON | 15 | Daughter | — | New York |
| 66 | Walter M Jr Stafford | 13 | Son | — | Massachusetts |
| 67 | Robert S Stafford | 12 | Son | — | Massachusetts |
| 68 | Edward F Stafford | 11 | Son | — | Massachusetts |
| 69 | Irene D Stafford | 9 | Daughter | — | Massachusetts |
| 70 | Claire F Stafford | 5 | Daughter | — | Massachusetts |
| 71 | Georgiana M Stafford | 3 | Daughter | — | Massachusetts |
| 72 | Peter D Stafford | 1 | Son | — | Massachusetts |
| 73 | Thomas M Banks | 29 | Head | Milkman | Massachusetts |
| 74 | Margaret A Banks | 32 | Wife | — | Canada-English |
| 75 | Thomas Banks | 6 | Son | — | Massachusetts |
| 76 | Gloria M C Banks | 2 | Daughter | — | Massachusetts |
| 77 | Francis J Mulcahy | 39 | Head | Plumber | Massachusetts |
| 78 | Mildred E Mulcahy | 35 | Wife | — | Massachusetts |
| 79 | Edward F Mulcahy | 14 | Son | — | Massachusetts |
| 80 | Richard T Mulcahy | 13 | Son | — | 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)