MS
Mary Small — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Mary Small across the 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Small |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New Braintree town |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | New Braintree Town |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Richard Small | Son | — | 14 | ~1926 |
| Helen Small | Daughter | — | 13 | ~1927 |
| Mary Mclean | Other | — | 75 | ~1865 |
| Wesley Small | Son | — | 18 | ~1922 |
| Raymond Small | Son | — | 12 | ~1928 |
| Ruth Small | Daughter | — | 21 | ~1919 |
| Thomas Small | Son | — | 16 | ~1924 |
| Nellie Small | Spouse | — | 56 | ~1884 |
| Mary Small | Daughter | — | 17 | ~1923 |
| Thomas Small | Head | — | 50 | ~1890 |
| Jane Small | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Worcester, Massachusetts
Daughter, age 7
Worcester, Massachusetts · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Small |
| Given Name | Mary D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada English |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Daughter, age 17
Worcester-County, Massachusetts · implied b. ~1923 — 11 household members
| Surname | Small |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | New Braintree town |
| 1935 Residence (County) | Worcester |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 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 Small across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Small
Daughter · 1940 · age 17 · b. ~1923 · Massachusetts
★ You are viewing this record
Sibling
Helen Small
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Small
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Small
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Small
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Small
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Small
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Small
Sibling · 1940 · age 12
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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01653-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maurice E. Benoit | 41 | Head | Farm Laborer | Massachusetts |
| 2 | Normand R. Benoit | 14 | Son | Farm Laborer | Massachusetts |
| 3 | Marcia C. Benoit | 7 | Daughter | — | Massachusetts |
| 4 | Arthur C. Douglas | 69 | Son in law | — | Massachusetts |
| 5 | Anthony Prentiss | 47 | Head | Farmer | Lithuania |
| 6 | Mary Prentiss | 47 | Wife | Laborer | Lithuania |
| 7 | Edward Prentiss | 25 | Son | Farm Laborer | Massachusetts |
| 8 | Eva U. Prentiss | 23 | Daughter in law | — | Massachusetts |
| 9 | Bernice Prentiss | 27 | Daughter | Laborer | Massachusetts |
| 10 | Anne Prentiss | 27 | Daughter | — | Massachusetts |
| 11 | Anthony Prentiss | 4 | Grandson | — | Massachusetts |
| 12 | Frank Prentiss | 1 | Grandson | — | Massachusetts |
| 13 | William Patterson | 52 | Hired man | Farm Laborer | Lithuania |
| 14 | Pius Patash | 45 | Hired man | Farm Laborer | Lithuania |
| 15 | Joseph Zunsky | 53 | Hired man | Farm Laborer | Lithuania |
| 16 | Thomas R. Small | 50 | Head | N.E.M.P.A. | P.E. Canada |
| 17 | Nellie Small | 56 | Wife | — | New Jersey |
| 18 | Ruth (A.) Small | 21 | Daughter | — | Massachusetts |
| 19 | Jane Small | 20 | Daughter | House Keeper | Massachusetts |
| 20 | Wesley Small | 18 | Son | Farm Laborer | Massachusetts |
| 21 | Mary Small THIS PERSON | 17 | Daughter | — | Massachusetts |
| 22 | Thomas R. Jr. Small | 16 | Son | Farm Laborer | Massachusetts |
| 23 | Richard Small | 14 | Son | — | Massachusetts |
| 24 | Helen Jean Small | 13 | Daughter | — | Massachusetts |
| 25 | Raymond Small | 12 | Son | — | Massachusetts |
| 26 | Mary Mclean | 75 | Mother in law | — | Scotland |
| 27 | Ida M. Havens | 65 | Head | — | Massachusetts |
| 28 | Howard Havens | 29 | Son | Farmer | Massachusetts |
| 29 | Leroy H. Pollard | 37 | Head | Farmer | Massachusetts |
| 30 | Helen Pollard | 36 | Wife | — | Massachusetts |
| 31 | Isabel J. Pollard | 11 | Daughter | — | Massachusetts |
| 32 | Herbert L. Pollard | 9 | Son | — | Massachusetts |
| 33 | Harold W. Pollard | 8 | Son | — | Massachusetts |
| 34 | Marion M. Pollard | 4 | Daughter | — | Massachusetts |
| 35 | David H. Pollard | 2 | Son | — | Massachusetts |
| 36 | William Welch | 72 | Hired man | Farm Laborer | Massachusetts |
| 37 | Victor Wersis | 45 | Hired man | Farm Laborer | Lithuania |
| 38 | Adrian (A.) Giddis | 45 | Head | Farmer | Massachusetts |
| 39 | Eva L. Giddis | 45 | Wife | — | Massachusetts |
| 40 | Marcella Giddis | 19 | Daughter | — | 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)