PN
Paul Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Paul Nelson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Mary — first a son (b.~1918), then head of a 10-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Nelson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Store Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 916 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Store Clerk |
| Township / Ward | Wilkinsburg |
| Est. Birth Year | ~1918 |
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 Paul | Age | Birth yr |
|---|---|---|---|---|
| Andrew Nelson | Head | — | 55 | ~1885 |
| Marianne Nelson | Daughter | — | 18 | ~1922 |
| Carmella Nelson | Spouse | — | 53 | ~1887 |
| Marilyn Mullen | Other | — | 3 | ~1937 |
| Joanne Mullen | Other | — | 6 | ~1934 |
| Mildred Nelson | Daughter | — | 19 | ~1921 |
| Bernard Nelson | Son | — | 26 | ~1914 |
| John Nelson | Son | — | 35 | ~1905 |
| Paul Nelson | Son | — | 22 | ~1918 |
| Alice Nelson | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Paul C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 10 household members
| Surname | Nelson |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Occupation | Store Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 916 |
| Highest Grade | H-4 |
| 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 Paul Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Nelson (~0.92 confidence) and mother Mary Nelson (~0.92 confidence) and father Andrew Nelson (~0.92 confidence) and mother Carmella Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Nelson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Nelson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Andrew Nelson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Carmella Nelson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Paul Nelson
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Alice Nelson
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Nelson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marianne Nelson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Nelson
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Nelson
Sibling · 1940 · age 26
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
16 people indexed on this census page (nara:1940:m-t0627-03421-00395)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Andrew Nelson | 55 | Head | Laborer | Italy |
| 42 | Carmella Nelson | 53 | Wife | — | Pennsylvania |
| 43 | John Nelson | 35 | Son | Asst Manager | Pennsylvania |
| 44 | Incorrect Information Entered | None | — | — | — |
| 45 | Alice Nelson | 29 | Daughter | Telephone Operator | Pennsylvania |
| 46 | Bernard Nelson | 26 | Son | Bus Driver | Pennsylvania |
| 47 | Paul Nelson THIS PERSON | 22 | Son | Store Clerk | Pennsylvania |
| 48 | Mildred Nelson | 19 | Daughter | New Worker | Pennsylvania |
| 49 | Marianne Nelson | 18 | Daughter | New Worker | Pennsylvania |
| 50 | Joanne Mullen | 6 | Granddaughter | — | Pennsylvania |
| 51 | Marilyn Mullen | 3 | Granddaughter | — | Pennsylvania |
| 52 | Bertha Lowman | 54 | Head | — | Pennsylvania |
| 53 | Clark M. Lowman | 29 | Son | Working Man | Pennsylvania |
| 54 | Robert H. Lowman | 23 | Son | Truck Driver | Pennsylvania |
| 55 | Weldon Henderson | 24 | Head | Sales Engineer | Pennsylvania |
| 56 | Josephine Henderson | 24 | Wife | — | Pennsylvania |
Pedigree Summary
Paul + 5 siblings
Gen 1 · 4 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)