MS
Mary Small — 1940 US Census Record
Linked across censuses1940 United States Federal Census · York-County, Pennsylvania
Our Model Tree links this Mary Small across the 1930 and 1940 US Censuses in York-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, Pennsylvania |
| Surname | Small |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Hanover |
| 1935 Residence (County) | York |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Hanover |
| 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 |
|---|---|---|---|---|
| Mary Small | Daughter | — | 15 | ~1925 |
| Theresa Small | Daughter | — | 12 | ~1928 |
| Harry Small | Head | — | 50 | ~1890 |
| Dorothy Small | Daughter | — | 10 | ~1930 |
| Delores Small | Daughter | — | 8 | ~1932 |
| Betty Small | Daughter | — | 6 | ~1934 |
| Lilly Small | Spouse | — | 38 | ~1902 |
| Burnell Small | Son | — | 4 | ~1936 |
Census Appearances
1930
Adams, Pennsylvania
Daughter, age 5
Adams, Pennsylvania · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Small |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
York-County, Pennsylvania
Daughter, age 15
York-County, Pennsylvania · 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 | Pennsylvania |
| 1935 Residence (City) | Hanover |
| 1935 Residence (County) | York |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 · Pennsylvania
★ You are viewing this record
Sibling
Theresa Small
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burnell Small
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Small
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Small
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Small
Sibling · 1940 · age 10
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 — York-County, Pennsylvania
Open full size
1940 US Federal Census — York-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03642-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chester Baker | 46 | Boarder | General Mdse | Pennsylvania |
| 42 | William H. Small | 57 | Boarder | Laborer | Pennsylvania |
| 43 | Ralph S. Gerry | 34 | Head | Contractor | Pennsylvania |
| 44 | Lavella Gerry | 34 | Wife | — | Pennsylvania |
| 45 | Yvonne Gerry | 7 | Daughter | — | Pennsylvania |
| 46 | Alma Simpson | 38 | Head | Proprietor Operator | Maryland |
| 47 | Marguerite Weltmeyer | 23 | Partner | Proprietor Operator | Pennsylvania |
| 48 | Fred Bankert | 21 | Head | Egg Candler | Pennsylvania |
| 49 | Josephine Bankert | 21 | Wife | Seamstress | Pennsylvania |
| 50 | John C. Emlet | 63 | Head | — | Pennsylvania |
| 51 | Katie E. Emlet | 62 | Wife | — | Pennsylvania |
| 52 | Harry J. Klunk | 42 | Head | — | Pennsylvania |
| 53 | Clara Klunk | 43 | Daughter | Seamstress | Pennsylvania |
| 54 | Irvin Robinson | 45 | Head | Wire Weaver | Pennsylvania |
| 55 | Jerry Robinson | 44 | Wife | — | Pennsylvania |
| 56 | Agnes Smith | 76 | Mother-in-law | — | Pennsylvania |
| 57 | Florence Smith | 40 | Sister-in-law | Quarter Closer | Pennsylvania |
| 58 | Harry Moore | 74 | Head | Merchandise Mgr. | Pennsylvania |
| 59 | Estelle Moore | 67 | Wife | — | Pennsylvania |
| 60 | George Britcher | 56 | Head | Brakeman | Pennsylvania |
| 61 | Minnie Britcher | 49 | Wife | — | Pennsylvania |
| 62 | John Britcher | 14 | Son | — | Pennsylvania |
| 63 | Harry Small | 50 | Head | — | Pennsylvania |
| 64 | Lilly Small | 38 | Wife | (Mothers Assistance) | Pennsylvania |
| 65 | Mary Small THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 66 | Theresa Small | 12 | Daughter | — | Pennsylvania |
| 67 | Dorothy Small | 10 | Daughter | — | Pennsylvania |
| 68 | Delores Small | 8 | Daughter | — | Pennsylvania |
| 69 | Betty Jane Small | 6 | Daughter | — | Pennsylvania |
| 70 | Burnell Small | 4 | Son | — | Pennsylvania |
| 71 | Daisy Miller | 66 | Head | — | Pennsylvania |
| 72 | Earl Miller | 39 | Son | Note Clerk | Pennsylvania |
| 73 | Marjory Lemon | 34 | Boarder | — | Maryland |
| 74 | Pietro W. Smith | 52 | Head | Druggist | Pennsylvania |
| 75 | Dora H. Smith | 39 | Wife | — | Pennsylvania |
| 76 | Patricia H. Smith | 5 | Daughter | — | Pennsylvania |
| 77 | Olive C. Fisher | 50 | Head | — | Pennsylvania |
| 78 | Teresa Fisher | 35 | Daughter | Saleslady | Pennsylvania |
| 79 | Amelia Fisher | 70 | Sister-in-law | — | Maryland |
| 80 | John F. Shorlin | 36 | Head | Dentist | Pennsylvania |
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)