GA
Grace Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Grace Allen across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents D & David — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Allen |
| Given Name | Grace Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East McKeesport Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | East Mckeesport Boro |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Grace Allen | Daughter | — | 22 | ~1918 |
| David Allen | Head | — | 50 | ~1890 |
| Grace Allen | Spouse | — | 45 | ~1895 |
| Elaine Allen | Daughter | — | 11 | ~1929 |
| Lois Allen | Daughter | — | 16 | ~1924 |
| William Allen | Son | — | 18 | ~1922 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Grace L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Grace L. |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Daughter, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 6 household members
| Surname | Allen |
| Given Name | Grace Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East McKeesport Boro |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | C 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 Grace Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father D Allen (~0.92 confidence) and father David Allen (~0.92 confidence) and mother Grace Allen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
D Allen
b. ~1890
Source father
● Household
· direct · ~0.92
Father
David Allen
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Grace Allen
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Allen
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Elaine Allen
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Allen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Allen
Sibling · 1940 · age 18
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-t0627-03402-00724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Curtis Cearns | 8 | Son | — | Pennsylvania |
| 42 | Lois Cearns | 6 | Daughter | — | Pennsylvania |
| 43 | Sally Cearns | 5 | Daughter | — | Pennsylvania |
| 44 | Janet Cearns | 3 | Daughter | — | Pennsylvania |
| 45 | John Hilt | 82 | Head | — | Pennsylvania |
| 46 | Josephine Hilt | 77 | Wife | — | Pennsylvania |
| 47 | Hazel Hilt | 44 | Daughter | — | Pennsylvania |
| 48 | Lester Hilt | 41 | Son | Store Clerk | Pennsylvania |
| 49 | Nicholas Harkins | 63 | Head | Laborer | Pennsylvania |
| 50 | Mary Harkins | 61 | Wife | — | England |
| 51 | William Harkins | 23 | Son | New Worker | Pennsylvania |
| 52 | Margaret Bevil | 47 | Head | — | Pennsylvania |
| 53 | Margaret Jane Bevil | 11 | Daughter | — | Pennsylvania |
| 54 | Rose Marie Bevil | 5 | Daughter | — | Pennsylvania |
| 55 | Ernest White | 72 | Head | — | Pennsylvania |
| 56 | Maude White | 63 | Wife | — | Pennsylvania |
| 57 | Edgar Leroy White | 37 | Son | Office Clerk | Pennsylvania |
| 58 | Lallera M. White | 22 | Daughter | Office Clerk | Pennsylvania |
| 59 | David A. Allen | 50 | Head | Laborer Const. | Pennsylvania |
| 60 | Grace Allen | 45 | Wife | — | Pennsylvania |
| 61 | Grace Louise Allen THIS PERSON | 22 | Daughter | — | Pennsylvania |
| 62 | William Allen | 18 | Son | Asst. Cable Splicer | Pennsylvania |
| 63 | Lois Allen | 16 | Daughter | — | Pennsylvania |
| 64 | Elaine Allen | 11 | Daughter | — | Pennsylvania |
| 65 | Henry Wessel | 73 | Head | Traffic Police | New York |
| 66 | Elizabeth Wessel | 71 | Wife | — | New York |
| 67 | John Wessel | 47 | Son | — | New Jersey |
| 68 | Walter Wessel | 35 | Son | — | Pennsylvania |
| 69 | Lawrence M. Welch | 27 | Head | Machine Operator | Pennsylvania |
| 70 | Elma Welch | 20 | Wife | — | Pennsylvania |
| 71 | Lawrence M. Welch | 1 | Son | — | Pennsylvania |
| 72 | Ernest Mcdonald | 59 | Head | Machinist | Pennsylvania |
| 73 | Emma Mcdonald | 58 | Wife | — | England |
| 74 | Paul Mcdonald | 14 | Son | — | Pennsylvania |
| 75 | Mary Mcdonald | 19 | Daughter | — | Pennsylvania |
| 76 | Head Hardy | None | M | Railroad Equipment | — |
| 77 | Sora Hardy | 27 | Wife | Chambermaid | Pennsylvania |
| 78 | H. O. Keefer | 68 | Head | Music Teacher | Pennsylvania |
| 79 | Catherine Keefer | 63 | Wife | — | England |
| 80 | Anna M. Keefer | 37 | Daughter | Teacher | Pennsylvania |
Related Census Records
Pedigree Summary
Grace + 3 siblings
Gen 1 · 3 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)