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Dorothy Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Dorothy Long across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Stowe |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Yes 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Stowe |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Vera Long | Spouse | — | 36 | ~1904 |
| Louise Long | Daughter | — | 5 | ~1935 |
| Robert Long | Son | — | 14 | ~1926 |
| Leonard Long | Son | — | 9 | ~1931 |
| Donald Long | Son | — | 12 | ~1928 |
| Marie Long | Daughter | — | 10 | ~1930 |
| Gordon Long | Son | — | 3 | ~1937 |
| Gene Long | Son | — | 8 | ~1932 |
| Chester Long | Head | — | 36 | ~1904 |
| Dorothy Long | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Montgomery, Pennsylvania
Daughter, age 4
Montgomery, Pennsylvania · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Dorothy L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Daughter, age 15
Montgomery-County, Pennsylvania · implied b. ~1925 — 10 household members
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Stowe |
| 1935 Residence (County) | Montgomery |
| Income (1939) | 0 |
| Highest Grade | Yes 8 |
| 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 Dorothy Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Long
Daughter · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Gordon Long
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Long
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Long
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Long
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Long
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Long
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Long
Sibling · 1940 · age 14
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03586-00196)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Grips | 40 | Wife | — | Pennsylvania |
| 42 | Henry Grips | 63 | Head | Grocer | Pennsylvania |
| 43 | Jennie Grips | 60 | Wife | — | Pennsylvania |
| 44 | Rebecca Grips | 26 | Daughter | Winder | Pennsylvania |
| 45 | John Sr. Kupp | 45 | Head | Carpenter | Pennsylvania |
| 46 | Stella Kupp | 43 | Wife | — | Pennsylvania |
| 47 | Marion Kupp | 7 | Daughter | — | Pennsylvania |
| 48 | Charles Kupp | 68 | Father | — | Pennsylvania |
| 49 | John Jr. Kupp | 26 | Head | Electrician | Pennsylvania |
| 50 | Margaret Kupp | 22 | Wife | Winder | Pennsylvania |
| 51 | John Dewald | 51 | Head | Laborer | Roumania |
| 52 | Mary Dewald | 51 | Wife | — | Roumania |
| 53 | Mary Dewald | 25 | Daughter | — | Pennsylvania |
| 54 | Chester Boyer | 39 | Head | Operator | Pennsylvania |
| 55 | Evelyn Boyer | 31 | Wife | — | Pennsylvania |
| 56 | Stanley Boyer | 12 | Son | — | Pennsylvania |
| 57 | Velva Boyer | 12 | Daughter | — | Pennsylvania |
| 58 | Randall Boyer | 8 | Son | — | Pennsylvania |
| 59 | Richard Boyer | 7 | Son | — | Pennsylvania |
| 60 | Merice Boyer | 5 | Son | — | Pennsylvania |
| 61 | Edwin Missimer | 45 | Head | Pattern Maker | Pennsylvania |
| 62 | Marian K. Missimer | 39 | Wife | Sacker | Pennsylvania |
| 63 | June A. Missimer | 17 | Daughter | — | Pennsylvania |
| 64 | Alton M. Missimer | 14 | Son | — | Pennsylvania |
| 65 | St. Here Ends | None | Vine | — | Monroe |
| 66 | V. Herbert Price | 36 | Head | Die Setter | Pennsylvania |
| 67 | Anna Price | 34 | Wife | — | Pennsylvania |
| 68 | Marie Price | 14 | Daughter | — | Pennsylvania |
| 69 | Alice Price | 11 | Daughter | — | Pennsylvania |
| 70 | Chester Long | 36 | Head | Laborer | Pennsylvania |
| 71 | Vera Long | 36 | Wife | — | Pennsylvania |
| 72 | Dorothy Long THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 73 | Robert Long | 14 | Son | — | Pennsylvania |
| 74 | Donald Long | 12 | Son | — | Pennsylvania |
| 75 | Marie Long | 10 | Daughter | — | Pennsylvania |
| 76 | Leonard Long | 9 | Son | — | Pennsylvania |
| 77 | Gene Long | 8 | Son | — | Pennsylvania |
| 78 | Louise Long | 5 | Daughter | — | Pennsylvania |
| 79 | Gordon Long | 3 | Son | — | Pennsylvania |
| 80 | Antonia Antonucci | 56 | Head | Laborer | Italy |
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)