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Gladys Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Gladys Harris across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Walter & Ellen — first a daughter (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Harris |
| Given Name | Gladys |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Gladys | Age | Birth yr |
|---|---|---|---|---|
| Walter Harris | Head | — | 49 | ~1891 |
| Walter Harris | Son | — | 24 | ~1916 |
| Dorothy Calloway | Daughter | — | 25 | ~1915 |
| Gladys Harris | Daughter | — | 20 | ~1920 |
| Ellen Harris | Spouse | — | 44 | ~1896 |
| William Harris | Son | — | 22 | ~1918 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age
Allegheny, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Gladys |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 9
Allegheny, Pennsylvania · implied b. ~1921 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Gladys |
| Relationship to Head | Grandson |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 6 household members
| Surname | Harris |
| Given Name | Gladys |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| 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 Gladys Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Harris (~0.92 confidence) and mother Ellen Harris (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Harris
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ellen Harris
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Gladys Harris
Daughter · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Dorothy Calloway
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Harris
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Harris
Sibling · 1940 · age 24
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
39 people indexed on this census page (nara:1940:m-t0627-03659-00536)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earnest Young | 45 | Lodger | Barber | Pennsylvania |
| 42 | Fred Kaler | 51 | Head | — | Pennsylvania |
| 43 | Elsie Kaler | 51 | Wife | — | Pennsylvania |
| 44 | William Collins | 25 | Head | Baker | Pennsylvania |
| 45 | Dorothy Collins | 23 | Daughter | — | Pennsylvania |
| 46 | William Collins | 3 | Grandson | — | Pennsylvania |
| 47 | Myrna Collins | 2 | Granddaughter | — | Pennsylvania |
| 48 | Richard Collins | 1 | Grandson | — | Pennsylvania |
| 49 | Earl Mahon | 48 | Head | Laborer | Pennsylvania |
| 50 | Rose Mahon | 46 | Wife | — | Pennsylvania |
| 51 | James Mahon | 18 | Son | — | Pennsylvania |
| 52 | Rosemary Mahon | 14 | Daughter | — | Pennsylvania |
| 53 | Earl Mahon | 13 | Son | — | Pennsylvania |
| 54 | Catherine Mahon | 6 | Daughter | — | Pennsylvania |
| 55 | Patricia Mahon | 2 | Daughter | — | Pennsylvania |
| 56 | John L. Mahon | 12 | Son | — | Pennsylvania |
| 58 | Payton Rose | 54 | Head | Funeral Director | New York |
| 59 | Goldie Rose | 40 | Wife | — | Virginia |
| 60 | Frances Rose | 19 | Daughter | — | Pennsylvania |
| 61 | Joseph P. Mccune | 60 | Head | Printer | Pennsylvania |
| 62 | Michael Mccune | 85 | Father | — | Ireland |
| 63 | Nora Campbell | 59 | Nurse | Nurse | Pennsylvania |
| 64 | James Bruner | 31 | Head | Clerk | Pennsylvania |
| 65 | Charlotte Bruner | 31 | Wife | — | Pennsylvania |
| 66 | Walter E. Harris | 49 | Head | Chauffeur | Pennsylvania |
| 67 | Ellen Harris | 44 | Wife | — | Pennsylvania |
| 68 | Dorothy Calloway | 25 | Daughter | — | Pennsylvania |
| 69 | Walter Jr. Harris | 24 | Son | Truck Driver | Pennsylvania |
| 70 | William Harris | 22 | Son | Janitor | Pennsylvania |
| 71 | Gladys Harris THIS PERSON | 20 | Daughter | — | Pennsylvania |
| 72 | John W. King | 45 | Head | Laborer | Georgia |
| 73 | Lucille King | 40 | Wife | — | Georgia |
| 74 | Pauline King | 18 | Daughter | — | Georgia |
| 75 | Mildred King | 15 | Daughter | — | Georgia |
| 76 | Nellie Carswell | 43 | Sister-in-law | Assistant Foreman | Georgia |
| 77 | James Spann | 46 | Head | Houseman | South Carolina |
| 78 | Alberta Spann | 44 | Wife | — | Virginia |
| 79 | Mary Matthews | 16 | Daughter | — | Pennsylvania |
| 80 | Elsie Bostic | 35 | Lodger | Maid | Pennsylvania |
Pedigree Summary
Gladys + 3 siblings
Gen 1 · 2 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)