DN
Dorothy Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Nelson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents F & John — first a spouse (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Nelson |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Ohio |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Patricia Nelson | Daughter | — | 2 | ~1938 |
| Homer Nelson | Head | — | 28 | ~1912 |
| Wayne Nelson | Son | — | 1 | ~1939 |
| Ronald Nelson | Son | — | 4 | ~1936 |
| Dorothy Nelson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 6
Allegheny, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Dorothy J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 26
Allegheny-County, Pennsylvania · implied b. ~1914 — 5 household members
| Surname | Nelson |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Ohio |
| 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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father F Nelson (~0.92 confidence) and father John Nelson (~0.92 confidence) and mother Pearl Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
F Nelson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
John Nelson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Pearl Nelson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Nelson
Spouse · 1940 · age 26 · b. ~1914 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03657-00371)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Homer Nelson | 28 | Head | Press Operator | Ohio |
| 42 | Dorothy Nelson THIS PERSON | 26 | Wife | — | Pennsylvania |
| 43 | Ronald Nelson | 4 | Son | — | Ohio |
| 44 | Patricia Nelson | 2 | Daughter | — | Pennsylvania |
| 45 | Wayne Nelson | 1 | Son | — | Pennsylvania |
| 46 | Frank Alvin | 27 | Head | Labor | Pennsylvania |
| 47 | Viola Alvin | 27 | Wife | — | Pennsylvania |
| 48 | Doris Alvin | 7 | Daughter | — | Pennsylvania |
| 49 | Frank Jr. Alvin | 5 | Son | — | Pennsylvania |
| 50 | Mary Alvin | 60 | Mother | — | Pennsylvania |
| 51 | Melvin Page | 40 | Head | Mail Clerk | Pennsylvania |
| 52 | Louise Page | 35 | Wife | — | Pennsylvania |
| 53 | Iris Page | 12 | Daughter | — | Pennsylvania |
| 54 | Melvin Jr. Page | 6 | Son | — | Pennsylvania |
| 55 | William Page | 4 | Son | — | Pennsylvania |
| 56 | William Riggs | 34 | Head | Truck Driver | West Virginia |
| 57 | Agnes Riggs | 30 | Wife | — | Pennsylvania |
| 58 | William Jr. Riggs | 12 | Son | — | Pennsylvania |
| 59 | Paul Riggs | 9 | Son | — | Pennsylvania |
| 60 | Elizabeth Riggs | 6 | Daughter | — | Pennsylvania |
| 61 | Florence Riggs | 2 | Daughter | — | Pennsylvania |
| 62 | John Randolph | 32 | Head | Crane Operator | Pennsylvania |
| 63 | Ruth Randolph | 28 | Wife | Clerk | Pennsylvania |
| 64 | Bertha Walters | 60 | Mother in law | Housework | Pennsylvania |
| 65 | Ray Price | 45 | Head | Truck Driver | Pennsylvania |
| 66 | Jean Price | 33 | Wife | — | Pennsylvania |
| 67 | Ray Jr. Price | 11 | Son | — | Pennsylvania |
| 68 | Mary Martha Price | 9 | Daughter | — | Pennsylvania |
| 69 | John Nelson Price | 4 | Son | — | Pennsylvania |
| 70 | Lettie Lloyd | 68 | Head | — | Pennsylvania |
| 71 | Grace Lloyd | 25 | Daughter | Waitress | Texas |
| 72 | Charles Koerf | 38 | Head | Draftsman | Pennsylvania |
| 73 | Mary Koerf | 30 | Wife | — | Pennsylvania |
| 74 | James Koerf | 7 | Son | — | Pennsylvania |
| 75 | Charles Koerf | 2 | Son | — | Pennsylvania |
| 76 | Patrick A.B. | 20 | Brother | Labor | Pennsylvania |
| 77 | Henry Krieling | 46 | Head | Labor | Pennsylvania |
| 78 | Leona Krieling | 44 | Wife | — | Pennsylvania |
| 79 | Henry Jr. Krieling | 13 | Son | — | Pennsylvania |
Pedigree Summary
Dorothy
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)