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Helen Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Helen Davis across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Cecilia & Helinda — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Davis |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | stenographer |
| Industry | insurance broker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Philadelphia City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Davis | Daughter | — | 22 | ~1918 |
| Frank Davis | Head | — | 42 | ~1898 |
| Francis Davis | Son | — | 16 | ~1924 |
| Helinda Davis | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Helen A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | DAVIS |
| Given Name | HELEN H. |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | PENNSYLVANIA |
| Father's Birthplace | PENNSYLVANIA |
| Mother's Birthplace | OHIO |
| Occupation | NONE |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 22
Philadelphia-County, Pennsylvania · implied b. ~1918 — 4 household members
| Surname | Davis |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | stenographer |
| Industry | insurance broker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| 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 Helen Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Cecilia Davis (~0.92 confidence) and mother Helinda Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and father Frank Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Cecilia Davis
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Helinda Davis
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
James Davis
b. ~1895
Source father
● Household
· direct · ~0.92
Father
James Davis
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Frank Davis
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Davis
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Francis Davis
Sibling · 1940 · age 16
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03723-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence G. Glading | 35 | Sister | Clerical Work | Pennsylvania |
| 2 | Sterling D. Mcdevitt | 38 | Head | Lumber | Pennsylvania |
| 3 | Mary Mcdevitt | 28 | Wife | — | Indiana |
| 4 | Sterling D. Jr. Mcdevitt | 1 | Son | — | Pennsylvania |
| 5 | Howard A. Nickerson | 65 | Head | Relief Pharmacist | Connecticut |
| 6 | Mary Nickerson | 55 | Wife | — | New Jersey |
| 7 | William H. Berlin | 32 | Step-son | Manager | Pennsylvania |
| 8 | Grier Lloyd | 44 | Head | Traveling Salesman | Pennsylvania |
| 9 | Josephine Lloyd | 43 | Wife | — | Wales |
| 10 | Doris Lloyd | 16 | Daughter | — | Pennsylvania |
| 11 | Constance Lloyd | 5 | Daughter | — | Pennsylvania |
| 12 | Joseph W. Hill | 49 | Head | Assistant Treasurer | Delaware |
| 13 | Alma E. Hill | 48 | Wife | — | Pennsylvania |
| 14 | Walter W. Hill | 24 | Son | Teacher | Pennsylvania |
| 15 | George J. Harvey | 76 | Father-in-law | Water Inspector | Pennsylvania |
| 16 | James H. Mchale | 33 | Head | Attorney | Pennsylvania |
| 17 | Catherine Mchale | 31 | Wife | — | Pennsylvania |
| 18 | John W. Broggini | 46 | Head | Mechanical Engineer | Pennsylvania |
| 19 | Charlotte B. Broggini | 41 | Wife | Elementary Teacher | Pennsylvania |
| 20 | Teresa Broggini | 70 | Mother | — | Italy |
| 21 | Arthur J. Reas | 23 | Head | Clerk | Pennsylvania |
| 22 | Dorothy Reas | 20 | Sister | Secretary | Pennsylvania |
| 23 | George C. Halwes | 51 | Head | Salesman | Pennsylvania |
| 24 | Mary Halwes | 47 | Wife | — | Pennsylvania |
| 25 | Silen Du Bois | 76 | Mother-in-law | — | Tennessee |
| 26 | Begins Block 22 Here Ends Block 21 | None | — | — | — |
| 27 | Logan Gill | 45 | Head | Partner | New Jersey |
| 28 | Margaret Gill | 38 | Wife | Artist | Pennsylvania |
| 29 | Robert V. Pierce | 58 | Head | Assistant Secretary | Pennsylvania |
| 30 | Sena R. Pierce | 57 | Wife | — | Pennsylvania |
| 31 | Frank A. Davis | 42 | Head | Electrical Tester | Pennsylvania |
| 32 | Helinda Davis | 46 | Wife | — | New York |
| 33 | Helen M. Davis THIS PERSON | 22 | Daughter | Stenographer | Pennsylvania |
| 34 | Francis J. Davis | 16 | Son | — | Pennsylvania |
| 35 | Woodward Johnson | 41 | Head | Accountant & Auditor | Virginia |
| 36 | Elizabeth Johnson | 35 | Wife | — | Pennsylvania |
| 37 | Woodward Jr. Johnson | 14 | Son | — | Pennsylvania |
| 38 | Thomas Johnson | 13 | Son | — | Pennsylvania |
| 39 | Elmer J. Duffy | 49 | Head | Salesman | Pennsylvania |
| 40 | Miriam M. Duffy | 46 | Wife | Social Worker | Pennsylvania |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 5 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)