JH
John Harding — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Harding across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Harding |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Elizabeth Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | West Elizabeth Borough |
| Est. Birth Year | ~1921 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Charles Harding | Son | — | 21 | ~1919 |
| June Harding | Daughter | — | 17 | ~1923 |
| Francis Harding | Spouse | — | 39 | ~1901 |
| Dorothy Harding | Daughter | — | 14 | ~1926 |
| Ira Harding | Daughter | — | 22 | ~1918 |
| John Harding | Son | — | 19 | ~1921 |
| William Harding | Son | — | 10 | ~1930 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 7
Allegheny, Pennsylvania · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Pennsylvania |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 19
Allegheny-County, Pennsylvania · implied b. ~1921 — 7 household members
| Surname | Harding |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Elizabeth Borough |
| 1935 Residence (County) | Allegheny |
| Industry | 0 |
| Highest Grade | Hs 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 John Harding across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Harding
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
William Harding
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Harding
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Harding
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Harding
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ira Harding
Sibling · 1940 · age 22
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-t0627-03420-00484)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis Harding | 39 | Wife | — | Pennsylvania |
| 2 | Ira Harding | 22 | Daughter | — | Pennsylvania |
| 3 | Charles Harding | 21 | Son | New Worker | Pennsylvania |
| 4 | John Harding THIS PERSON | 19 | Son | — | Pennsylvania |
| 5 | June Harding | 17 | Daughter | — | Pennsylvania |
| 6 | Dorothy Harding | 14 | Daughter | — | Pennsylvania |
| 7 | William Harding | 10 | Son | — | Pennsylvania |
| 8 | George O. Thomas | 48 | Head | Attendant | Pennsylvania |
| 9 | Anna Thomas | 50 | Wife | — | Pennsylvania |
| 10 | Sara Thomas | 22 | Daughter | — | Pennsylvania |
| 11 | Anna Thomas | 20 | Daughter | New Worker | Pennsylvania |
| 12 | George Jr. Thomas | 18 | Son | — | Pennsylvania |
| 13 | Clara Thomas | 16 | Daughter | — | Pennsylvania |
| 14 | Harry Thomas | 14 | Son | — | Pennsylvania |
| 15 | Phyllis Thomas | 8 | Daughter | — | Pennsylvania |
| 16 | John Keefer | 36 | Head | Laborer | Pennsylvania |
| 17 | Mary Keefer | 35 | Wife | — | Pennsylvania |
| 18 | Betty Keefer | 14 | Daughter | — | Pennsylvania |
| 19 | John Jr. Keefer | 13 | Son | — | Pennsylvania |
| 20 | Donald Keefer | 11 | Son | — | Pennsylvania |
| 21 | Carl Keefer | 7 | Son | — | Pennsylvania |
| 22 | William Fuller | 31 | Head | Laborer | Pennsylvania |
| 23 | Helen Fuller | 26 | Wife | — | Pennsylvania |
| 24 | Ruth Fuller | 9 | Daughter | — | Pennsylvania |
| 25 | William E. Fuller | 7 | Son | — | Pennsylvania |
| 26 | Shirley Fuller | 4 | Daughter | — | Pennsylvania |
| 27 | Earl Fuller | 3 | Son | — | Pennsylvania |
| 28 | Carl Fuller | 2 | Son | — | Pennsylvania |
| 29 | Arlene Fuller | 0 | Daughter | — | Pennsylvania |
| 30 | Darlene Fuller | 0 | Daughter | — | Pennsylvania |
| 31 | Earl Berton | 37 | Head | Proprietor | Pennsylvania |
| 32 | Alma Berton | 35 | Wife | — | Pennsylvania |
| 33 | Ethel Mary Berton | 13 | Daughter | — | Pennsylvania |
| 34 | Joseph Fuller | 55 | Head | Miner | Pennsylvania |
| 35 | Anna M. Fuller | 20 | Daughter | — | Pennsylvania |
| 36 | John Fuller | 16 | Son | — | Pennsylvania |
| 37 | Thomas Mohney | 25 | Son-in-law | Operates Batteries | Pennsylvania |
| 38 | Sara Mohney | 24 | Daughter | — | Pennsylvania |
| 39 | Thomas Jr. Mohney | 5 | Grandson | — | Pennsylvania |
| 40 | John Bury | 57 | Head | Carpenter | 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)