MS
Mary Sutherland — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Sutherland across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Sutherland |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1927 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Sutherland | Daughter | — | 13 | ~1927 |
| Catherine Sutherland | Daughter | — | 5 | ~1935 |
| John Sutherland | Head | — | 45 | ~1895 |
| William Sutherland | Son | — | 7 | ~1933 |
| John Sutherland | Son | — | 11 | ~1929 |
| Florence Sutherland | Daughter | — | 4 | ~1936 |
| Nora Sutherland | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 3
Middlesex, Massachusetts · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sutherland |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 13
Middlesex-County, Massachusetts · implied b. ~1927 — 7 household members
| Surname | Sutherland |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Sutherland across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sutherland
Daughter · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Florence Sutherland
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sutherland
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sutherland
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sutherland
Sibling · 1940 · age 5
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01684-00042)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nora Turris | 53 | Head | — | Eire |
| 2 | Margaret Turris | 18 | Daughter | Laundress Worker | Massachusetts |
| 3 | Fredric Barman | 45 | Head | Cab Driver | Massachusetts |
| 4 | Gertrude Barman | 41 | Wife | — | Massachusetts |
| 5 | Roy Barman | 17 | Son | — | Massachusetts |
| 6 | Harold Barman | 15 | Son | — | Massachusetts |
| 7 | Robert Estabrook | 26 | Head | Stock Clerk | Massachusetts |
| 8 | Helen Estabrook | 25 | Wife | — | Massachusetts |
| 9 | Helene Jr. Estabrook | 2 | Daughter | — | Massachusetts |
| 10 | Patrick J. Barry | 56 | Brother-in-law | Cook | Eire |
| 11 | Margaret Barry | 23 | Sister-in-law | Checker | Massachusetts |
| 12 | Eugene Souza | 40 | Head | Auto Mechanic | Portugal |
| 13 | Mary Souza | 25 | Wife | Stitcher | Massachusetts |
| 14 | John Souza | 19 | Son | Under Presser | Massachusetts |
| 15 | Joseph Souza | 13 | Son | — | Massachusetts |
| 16 | Mary Souza | 70 | Mother | — | Portugal |
| 17 | Mary T. Mediros | 49 | Head | — | Massachusetts |
| 18 | Joseph Mediros | 23 | Son | Second Cook | Massachusetts |
| 19 | Priscilla Mediros | 21 | Daughter | Winder | Massachusetts |
| 20 | James Vera | 31 | Head | Instrument Maker | Massachusetts |
| 21 | Edith Vera | 26 | Wife | — | Massachusetts |
| 22 | Dorothy Vera | 8 | Daughter | — | Massachusetts |
| 23 | Lorraine Vera | 6 | Daughter | — | Massachusetts |
| 24 | James Jr. Vera | 5 | Son | — | Massachusetts |
| 25 | John Sutherland | 45 | Head | Carpenter | Nova Scotia |
| 26 | Nora Sutherland | 41 | Wife | — | Nova Scotia |
| 27 | Mary M. Sutherland THIS PERSON | 13 | Daughter | — | Massachusetts |
| 28 | John F. Sutherland | 11 | Son | — | Massachusetts |
| 29 | William T. Sutherland | 7 | Son | — | Massachusetts |
| 30 | Catherine Sutherland | 5 | Daughter | — | Massachusetts |
| 31 | Florence Sutherland | 4 | Daughter | — | Massachusetts |
| 32 | Joseph Mills | 42 | Head | Fireman | Massachusetts |
| 33 | Katherine Mills | 40 | Wife | — | Massachusetts |
| 34 | Eleanor Mills | 14 | Daughter | — | Massachusetts |
| 35 | Robert Mills | 13 | Son | — | Massachusetts |
| 36 | Donald Mills | 11 | Son | — | Massachusetts |
| 37 | James J. Mccusker | 34 | Head | Truck Driver | Massachusetts |
| 38 | Theresa M. Mccusker | 32 | Wife | — | Massachusetts |
| 39 | Irene Mccusker | 8 | Daughter | — | Massachusetts |
| 40 | Betty Mccusker | 7 | Daughter | — | 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)