DN
David Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this David Nelson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Nelson |
| Given Name | David H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Noblestown |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Quarry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 454 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Noblestown |
| Est. Birth Year | ~1902 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Tom Nelson | Son | — | 11 | ~1929 |
| Elizabeth Nelson | Spouse | — | 37 | ~1903 |
| Lillian Nelson | Daughter | — | 13 | ~1927 |
| Bettie Nelson | Daughter | — | 2 | ~1938 |
| David Nelson | Head | — | 38 | ~1902 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 17
Allegheny, Pennsylvania · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Coal Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 27
Allegheny, Pennsylvania · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 38
Allegheny-County, Pennsylvania · implied b. ~1902 — 5 household members
| Surname | Nelson |
| Given Name | David H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Noblestown |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Quarry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 454 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 David Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Nelson
Head · 1940 · age 38 · b. ~1902 · Pennsylvania
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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
40 people indexed on this census page (nara:1940:m-t0627-03413-00368)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sell Mccluskey | None | Charles | 40 | 8 |
| 42 | David H Nelson THIS PERSON | 38 | Head | Laborer | Pennsylvania |
| 43 | Elizabeth Nelson | 37 | Wife | Laborer | Scotland |
| 44 | Lillian Nelson | 13 | Daughter | — | Pennsylvania |
| 45 | Tom Nelson | 11 | Son | — | Pennsylvania |
| 46 | Bettie Nelson | 2 | Daughter | — | Pennsylvania |
| 47 | Donald Jackson | 21 | Head | Laborer | Pennsylvania |
| 48 | Chloe Jackson | 44 | Mother | — | W. Virginia |
| 49 | Clara Bounds | 60 | Head | Nursery | Pennsylvania |
| 50 | Harry A Itagner | 21 | Head | Laborer | Pennsylvania |
| 51 | Eva Itagner | 19 | Wife | — | W. Virginia |
| 52 | Donald R Itagner | 0 | Son | — | Pennsylvania |
| 53 | Frank Reinstadtler | 31 | Head | Watchman | Pennsylvania |
| 54 | James Conn | 66 | Head | Laborer | Pennsylvania |
| 55 | Henry Myres | 72 | Head | Laborer | Pennsylvania |
| 56 | Norma Myres | 70 | Wife | — | Pennsylvania |
| 57 | Charles Lynch | 52 | Head | Laborer | Pennsylvania |
| 58 | Bessie Lynch | 48 | Wife | — | Pennsylvania |
| 59 | Winifred Lynch | 25 | Daughter | — | Pennsylvania |
| 60 | Audrie Lynch | 12 | Daughter | — | Pennsylvania |
| 61 | Harry Duvall | 52 | Head | Driver | Pennsylvania |
| 62 | Mae Duvall | 44 | Wife | — | Pennsylvania |
| 63 | Stanley Simpson | 42 | Head | Brakeman | Pennsylvania |
| 64 | Ivy J Simpson | 41 | Wife | — | Pennsylvania |
| 65 | Jean Simpson | 21 | Daughter | File Clerk | Pennsylvania |
| 66 | Virginia Simpson | 20 | Daughter | Waitress | Pennsylvania |
| 67 | Esther Simpson | 17 | Daughter | — | Pennsylvania |
| 68 | Ed Collier | 40 | Head | Miner | Maryland |
| 69 | Sarah Collier | 55 | Wife | — | Pennsylvania |
| 70 | Charles Collem | 32 | Head | Laborer | Pennsylvania |
| 71 | Laverne Collem | 26 | Wife | — | Pennsylvania |
| 72 | Barbara Collem | 4 | Daughter | — | Pennsylvania |
| 73 | James Collem | 0 | Son | — | Pennsylvania |
| 74 | Ed Mathulas | 36 | Head | Barber | Pennsylvania |
| 75 | Bessie Mathulas | 33 | Wife | — | Ohio |
| 76 | Ed Mathulas | 11 | Son | — | Pennsylvania |
| 77 | Margaret Mathulas | 7 | Daughter | — | Pennsylvania |
| 78 | Isaac H Rudge | 37 | Head | Electric Welder | Pennsylvania |
| 79 | Esther Rudge | 33 | Wife | — | Pennsylvania |
| 80 | Esther Rudge | 10 | Daughter | — | 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)