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John Scanlon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Scanlon across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Scanlon |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | no no yes |
| Class of Worker | no |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | No No Yes |
| Township / Ward | Pittsburgh |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Scanlon | Son | — | 24 | ~1916 |
| Marie Scanlon | Spouse | — | 42 | ~1898 |
| John Scanlon | Son | — | 22 | ~1918 |
| Elizabeth Scanlon | Daughter | — | 11 | ~1929 |
| William Scanlon | Head | — | 46 | ~1894 |
| Eugene Scanlon | Son | — | 15 | ~1925 |
| Robert Scanlon | Son | — | 20 | ~1920 |
| Patricia Scanlon | Daughter | — | 13 | ~1927 |
| James Scanlon | Son | — | 15 | ~1925 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlon |
| Given Name | John E. |
| 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 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Scanlon |
| Given Name | John |
| 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 — 9 household members
| Surname | Scanlon |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | no no yes |
| Class of Worker | no |
| Highest Grade | H 4 |
| 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 John Scanlon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Scanlon (~0.92 confidence) and father William Scanlon (~0.92 confidence) and mother Marie Scanlon (~0.92 confidence) and mother Marie Scanlon (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Scanlon
b. ~1894
Source father
● Household
· direct · ~0.92
Father
William Scanlon
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Marie Scanlon
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Marie Scanlon
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Scanlon
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Scanlon
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Scanlon
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Scanlon
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Scanlon
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Scanlon
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Scanlon
Sibling · 1940 · age 15
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
40 people indexed on this census page (nara:1940:m-t0627-03655-00334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Cook | 34 | Wife | No No No No | Pennsylvania |
| 2 | Dorothy Cook | 14 | Daughter | No No No No | Pennsylvania |
| 3 | Rosaline Cook | 13 | Daughter | — | Pennsylvania |
| 4 | Fred Jr. Cook | 11 | Son | — | Pennsylvania |
| 5 | John Cook | 9 | Son | — | Pennsylvania |
| 6 | Donald Cook | 3 | Son | — | Pennsylvania |
| 7 | Glen Cook | 1 | Son | — | Pennsylvania |
| 8 | John F. Broderick | 46 | Head | Mechanic | Pennsylvania |
| 9 | Florence Broderick | 38 | Wife | No No No No | Pennsylvania |
| 10 | Elizabeth Broderick | 17 | Daughter | No No No No | Pennsylvania |
| 11 | John F. Jr. Broderick | 16 | Son | No No No No | Pennsylvania |
| 12 | George Broderick | 15 | Son | No No No No | Pennsylvania |
| 13 | Edward Broderick | 12 | Son | — | Pennsylvania |
| 14 | Ilene Broderick | 10 | Daughter | — | Pennsylvania |
| 15 | James Broderick | 8 | Son | — | Pennsylvania |
| 16 | Florence Broderick | 5 | Daughter | — | Pennsylvania |
| 17 | Michael Broderick | 44 | Brother-in-law | Mechanic | Pennsylvania |
| 18 | Aurelio Ferrari | 44 | Head | Knife Grinder | Italy |
| 19 | Joan Q. Ferrari | 26 | Wife | — | England |
| 20 | Carla Ferrari | 12 | Daughter | — | Pennsylvania |
| 21 | Gloria Ferrari | 9 | Daughter | — | Pennsylvania |
| 22 | Barry Ferrari | 1 | Son | — | Pennsylvania |
| 23 | James De Munsey | 54 | Head | — | Georgia |
| 24 | Mae De Munsey | 46 | Wife | Mechanic | Pennsylvania |
| 25 | Margaret Rich | 21 | Lodger | No No No No | Ohio |
| 26 | Barbara Rich | 1 | Lodger | — | Pennsylvania |
| 27 | William C. Scanlon | 46 | Head | Fireman | Pennsylvania |
| 28 | Marie Scanlon | 42 | Wife | No No No No | Pennsylvania |
| 29 | William Scanlon | 24 | Son | Sub-Fireman | Pennsylvania |
| 30 | John Scanlon THIS PERSON | 22 | Son | No No Yes | Pennsylvania |
| 31 | Robert Scanlon | 20 | Son | — | Pennsylvania |
| 32 | Eugene Scanlon | 15 | Son | — | Pennsylvania |
| 33 | James Scanlon | 15 | Son | — | Pennsylvania |
| 34 | Patricia Scanlon | 13 | Daughter | — | Pennsylvania |
| 35 | Elizabeth Scanlon | 11 | Daughter | — | Pennsylvania |
| 36 | Charles Doloughty | 65 | Head | Childrens Commissioner | Pennsylvania |
| 37 | Mary Doloughty | 76 | Wife | No No No No | Pennsylvania |
| 38 | Charles Doloughty | 28 | Son | Mechanic | Pennsylvania |
| 39 | Wally Doloughty | 24 | Daughter | No No Yes | Pennsylvania |
| 40 | Martin Doloughty | 24 | Son | No No Yes | Pennsylvania |
Pedigree Summary
John + 6 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)