MS
Mary Small — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Mary Small across the 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Small |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Springfield |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Small | Son | — | 12 | ~1928 |
| Mary Small | Daughter | — | 15 | ~1925 |
| Richard Small | Son | — | 10 | ~1930 |
| Phyllis Small | Daughter | — | 8 | ~1932 |
| Clarence Small | Head | — | 42 | ~1898 |
| Peter Small | Son | — | 22 | ~1918 |
| Anna Small | Spouse | — | 40 | ~1900 |
| Robert Small | Son | — | 11 | ~1929 |
Census Appearances
1930
Hampden, Massachusetts
Daughter, age 9
Hampden, Massachusetts · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Small |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Daughter, age 15
Hampden-County, Massachusetts · implied b. ~1925 — 8 household members
| Surname | Small |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same House |
| 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 15 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
Robert Small
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Small
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Small
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Small
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas 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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01707-00219)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William J. Farrell | 20 | Son | Machinist | Same House |
| 42 | Mary Farrell | 17 | Daughter | — | Massachusetts |
| 43 | Katherine Farrell | 15 | Daughter | — | Massachusetts |
| 44 | George W. Bready | 34 | Head | Custodian | Massachusetts |
| 45 | Emily Bready | 27 | Wife | — | Massachusetts |
| 46 | Richard D. Bready | 5 | Son | — | Massachusetts |
| 47 | George W. Bready | 1 | Son | — | Massachusetts |
| 48 | Clarence Small | 42 | Head | Meat Cutter | Rhode Island |
| 49 | Anna Small | 40 | Wife | — | Massachusetts |
| 50 | Peter Small | 22 | Son | Gas Station Attendant | Massachusetts |
| 51 | Mary Small THIS PERSON | 15 | Daughter | — | Massachusetts |
| 52 | Thomas Jr. Small | 12 | Son | — | Massachusetts |
| 53 | Robert Small | 11 | Son | — | Massachusetts |
| 54 | Richard Small | 10 | Son | — | Massachusetts |
| 55 | Phyllis Small | 8 | Daughter | — | Massachusetts |
| 56 | Peter White | 64 | Head | Auto Repairer | Canada French |
| 57 | Euphemia White | 53 | Wife | — | Canada French |
| 58 | Daniel J. Corat | 61 | Head | Salesman | New York |
| 59 | Hazel Corat | 37 | Daughter | Secretary | Massachusetts |
| 60 | Daniel M. Zingg | 45 | Head | Police Lieutenant | Massachusetts |
| 61 | Mary Zingg | 45 | Wife | — | Ireland Free |
| 62 | Daniel M. Jr. Zingg | 21 | Son | — | Massachusetts |
| 63 | Helen M. Zingg | 17 | Daughter | Machine Operator | Massachusetts |
| 64 | Edward J. Zingg | 15 | Son | — | Massachusetts |
| 65 | Virginia J. Zingg | 13 | Daughter | — | Massachusetts |
| 66 | Thomas R. Zingg | 10 | Son | — | Massachusetts |
| 67 | Nora O'Connor | 45 | Head | — | Ireland Free |
| 68 | Rita O'Connor | 15 | Daughter | — | Massachusetts |
| 69 | Thomas O'Connor | 11 | Son | — | Massachusetts |
| 70 | Frank C. Kelly | 38 | Head | Fireman | Massachusetts |
| 71 | Mary Kelly | 38 | Wife | — | Ireland Free |
| 72 | Eileen Kelly | 15 | Daughter | — | Massachusetts |
| 73 | Maureen Kelly | 14 | Daughter | — | Massachusetts |
| 74 | Geraldine Kelly | 12 | Daughter | — | Massachusetts |
| 75 | Barbara Kelly | 7 | Daughter | — | Massachusetts |
| 76 | G. K. Loomis | 55 | Head | Proprietor Confectionery Store | Greece |
| 77 | Theodora Loomis | 42 | Wife | — | Greece |
| 78 | Helen Loomis | 24 | Daughter | Waitress | Massachusetts |
| 79 | Thalia Loomis | 20 | Daughter | Waitress | Massachusetts |
| 80 | Christine Loomis | 15 | 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)