MS
Mary Saunders — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Saunders across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 9-person household.
Age 50
b. ~1890
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Saunders |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1890 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Saunders | Spouse | — | 50 | ~1890 |
| Catherine Saunders | Daughter | — | 24 | ~1916 |
| John Saunders | Head | — | 53 | ~1887 |
| Robert Saunders | Son | — | 22 | ~1918 |
| Francis Saunders | Son | — | 13 | ~1927 |
| Paul Saunders | Son | — | 21 | ~1919 |
| Eleanor Saunders | Daughter | — | 16 | ~1924 |
| Arthur Saunders | Son | — | 11 | ~1929 |
| Marie Saunders | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1890 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Saunders |
| Given Name | Marion |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 39 |
| 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 50
Suffolk-County, Massachusetts · implied b. ~1890 — 9 household members
| Surname | Saunders |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H-4 |
| 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 Mary Saunders across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Saunders
Spouse · 1940 · age 50 · b. ~1890 · 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-t0627-01665-00352)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel O'Brien | 45 | Wife | Housewife | New Hampshire |
| 2 | Francis O'Brien | 22 | Head | Stenographer | Connecticut |
| 3 | Paul O'Brien | 20 | Son | New Worker | Connecticut |
| 4 | Thomas O'Brien | 18 | Son | New Worker | Massachusetts |
| 5 | Francis O'Brien | 16 | Son | New Worker | Massachusetts |
| 6 | Lawrence O'Brien | 15 | Son | — | Massachusetts |
| 7 | Gertrude O'Brien | 13 | Daughter | — | Massachusetts |
| 8 | Patricia O'Brien | 11 | Daughter | — | Massachusetts |
| 9 | Theresa O'Brien | 9 | Daughter | — | Massachusetts |
| 10 | Gale O'Brien | 6 | Daughter | — | Massachusetts |
| 11 | Brendan O'Brien | 2 | Son | — | Massachusetts |
| 12 | Oscar Matthews | 52 | Head | Policeman | Illinois |
| 13 | Blanche Matthews | 51 | Wife | — | Massachusetts |
| 14 | Walter Matthews | 24 | Son | Porter | Massachusetts |
| 15 | Charles Norcross | 21 | Lodger | Porter | Maine |
| 16 | John Strizis | 78 | Head | — | Lithuania |
| 17 | Magdeline Strizis | 70 | Wife | — | Lithuania |
| 18 | Adeline Strizis | 39 | Daughter | — | Massachusetts |
| 19 | George Ellinger | 41 | Son-in-law | Paper Cutter | Massachusetts |
| 20 | Jennie E. Ellinger | 41 | Daughter | — | England |
| 21 | Clare Ellinger | 14 | Grandchild | — | Massachusetts |
| 22 | Joan E. Ellinger | 12 | Grandchild | — | Massachusetts |
| 23 | Fred G. Ellinger | 4 | Grandchild | — | Massachusetts |
| 24 | John Saunders | 53 | Head | Bank Patrol | Massachusetts |
| 25 | Mary A. Saunders THIS PERSON | 50 | Wife | — | Massachusetts |
| 26 | Catherine Saunders | 24 | Daughter | Clerical | Massachusetts |
| 27 | Robert F. Saunders | 22 | Son | — | Massachusetts |
| 28 | Paul J. Saunders | 21 | Son | — | Massachusetts |
| 29 | Marie A. Saunders | 18 | Daughter | Stenographer | Massachusetts |
| 30 | Eleanor Saunders | 16 | Daughter | — | Massachusetts |
| 31 | Francis Saunders | 13 | Son | — | Massachusetts |
| 32 | Arthur Saunders | 11 | Son | — | Massachusetts |
| 33 | Katherine Quinney | 46 | Head | Social Worker | Massachusetts |
| 34 | Helen J. Quinney | 40 | Sister | Teacher | Massachusetts |
| 35 | Pauline A. Quinney | 38 | Sister | Stenographer | Massachusetts |
| 36 | Peter Curran | 55 | Head | Laborer | Eire |
| 37 | Annie Curran | 52 | Wife | — | Eire |
| 38 | Mary Curran | 21 | Daughter | Machine Worker | Massachusetts |
| 39 | Martin Curran | 23 | Son | — | Massachusetts |
| 40 | John Curran | 20 | Son | New Worker | Massachusetts |
Related Census Records
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)