JD
Jane Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Jane Davis across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Arthur & Allen — first a daughter (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Davis |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Sharpsburg |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jane | Age | Birth yr |
|---|---|---|---|---|
| Ellen Davis | Daughter | — | 20 | ~1920 |
| Ruth Davis | Daughter | — | 24 | ~1916 |
| Lillian Davis | Spouse | — | 45 | ~1895 |
| David Davis | Other | — | 74 | ~1866 |
| Allen Davis | Head | — | 48 | ~1892 |
| Jane Davis | Daughter | — | 22 | ~1918 |
| Allen Davis | Son | — | 18 | ~1922 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 11
Allegheny, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| 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 — 7 household members
| Surname | Davis |
| Given Name | Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 8 |
| 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 Jane Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Davis (~0.92 confidence) and father Allen Davis (~0.92 confidence) and father Arthur Davis (~0.92 confidence) and mother Rebecca Davis (~0.92 confidence) and mother Lillian Davis (~0.92 confidence) and mother Selena Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Davis
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Allen Davis
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Arthur Davis
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Rebecca Davis
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Lillian Davis
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Selena Davis
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jane Davis
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Allen Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Davis
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Davis
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
40 people indexed on this census page (nara:1940:m-t0627-03417-00499)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Zell | 51 | Wife | — | Pennsylvania |
| 42 | Ralph Zell | 21 | Son | Packer | Pennsylvania |
| 43 | Dorothy Zell | 19 | Daughter | New Worker | Pennsylvania |
| 44 | Albert Zell | 17 | Son | — | Pennsylvania |
| 45 | James R. Guyton | 43 | Head | Inspector | Pennsylvania |
| 46 | Rena M. Guyton | 37 | Wife | — | Pennsylvania |
| 47 | James Guyton | 19 | Son | — | Pennsylvania |
| 48 | Matilda Ellbrook | 69 | Head | — | Pennsylvania |
| 49 | Norbone Ellbrook | 41 | Son | Piano Tuner | Pennsylvania |
| 50 | Sarah Ellbrook | 39 | Wife | — | Pennsylvania |
| 51 | Norbone Jr. Ellbrook | 9 | Daughter | — | Pennsylvania |
| 52 | Stewart S. Forsha | 52 | Head | Conductor | Pennsylvania |
| 53 | Anna Forsha | 48 | Wife | — | Pennsylvania |
| 54 | William Forsha | 29 | Son | Shipper | Pennsylvania |
| 55 | Jean E. Forsha | 25 | Daughter | Pbx Operator | Pennsylvania |
| 56 | Allen Davis | 48 | Head | Foreman | Pennsylvania |
| 57 | Lillian Davis | 45 | Wife | — | Pennsylvania |
| 58 | Ruth Davis | 24 | Daughter | Stenographer | Pennsylvania |
| 59 | Jane Davis THIS PERSON | 22 | Daughter | — | Pennsylvania |
| 60 | Ellen Davis | 20 | Daughter | Beauty Operator | Pennsylvania |
| 61 | Allen Jr. Davis | 18 | Son | Helper | Pennsylvania |
| 62 | David Davis | 74 | Father | — | Wales |
| 63 | Jacob Nagel | 55 | Head | Grocer | Pennsylvania |
| 64 | Margaret Nagel | 55 | Wife | — | Pennsylvania |
| 65 | Catherine Mohan | 64 | Sister-in-law | — | Pennsylvania |
| 66 | Clara Mohan | 58 | Sister-in-law | — | Pennsylvania |
| 67 | Clarabell Lehan | 57 | Head | Secretary | Pennsylvania |
| 68 | Josephine Josephine | 32 | Daughter | Secretary | Pennsylvania |
| 69 | Henrietta Morton | 65 | Head | — | Pennsylvania |
| 70 | Janet Morton | 30 | Daughter | Stenographer | Pennsylvania |
| 71 | Joseph Helfrich | 58 | Head | Laborer | Pennsylvania |
| 72 | Mary Helfrich | 56 | Wife | — | Pennsylvania |
| 73 | Norman Valler | 37 | Son-in-law | Office Work | Pennsylvania |
| 74 | Betty M. Valler | 30 | Daughter | — | Pennsylvania |
| 75 | Norma Valler | 7 | Daughter | — | Pennsylvania |
| 76 | Ronald Valler | 1 | Son | — | Pennsylvania |
| 77 | John Sfarra | 42 | Head | Pipe Fitter | Italy |
| 78 | Christina Sfarra | 35 | Wife | — | Pennsylvania |
| 79 | Rose Sfarra | 15 | Daughter | — | Pennsylvania |
| 80 | Theodore Tanske | 23 | Head | — | Pennsylvania |
Pedigree Summary
Jane + 3 siblings
Gen 1 · 6 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)