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Helen Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Helen Davis across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Charles & John — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Davis |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Lawyers office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Stenographer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Vera Davis | Daughter | — | 11 | ~1929 |
| Helen Davis | Daughter | — | 21 | ~1919 |
| Frank Davis | Head | — | 53 | ~1887 |
| Franklin Phagler | Other | — | 8 | ~1932 |
| Marie Davis | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age
Baltimore, Maryland · implied b. ~1920 — 6 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 | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 10
Baltimore, Maryland · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 5 household members
| Surname | Davis |
| Given Name | Helen M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Occupation | Stenographer |
| Industry | Lawyers office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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: father Charles Davis (~0.92 confidence) and father John Davis (~0.92 confidence) and father Frank Davis (~0.92 confidence) and mother Myrtle Davis (~0.92 confidence) and mother Ida Davis (~0.92 confidence) and mother Marie Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Davis
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Davis
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Frank Davis
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Myrtle Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Ida Davis
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Marie Davis
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Davis
Daughter · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Vera Davis
Sibling · 1940 · age 11
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01539-00124)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stopford, Archibald C. Walter | 34 | Brother | Chauffeur | Maryland |
| 42 | Jackman, Alice M. Walter | 20 | Niece | Saleslady | Maryland |
| 43 | White, Thomas D. Walter | 12 | Stepson | — | Maryland |
| 44 | Webster, Plumbrie F. Walter | 28 | Lodger | Skilled Laborer | Maryland |
| 45 | W. Johnson Hurd | 32 | Head | Carpenter | Vermont |
| 46 | Ruth M. Hurd | 34 | Wife | Bookkeeper | Maryland |
| 47 | Anna Quinlan | 60 | Head | — | Maryland |
| 48 | Maude Quinlan | 44 | Stepdaughter | — | Maine |
| 49 | Elmer V. Molter | 41 | Son-in-law | Driver-Salesman | Maryland |
| 50 | Marie Molter | 41 | Daughter | — | Maryland |
| 51 | Elmer V., Jr. Molter | 18 | Grandson | Helper | California |
| 52 | John B. Molter | 15 | Grandson | — | Maryland |
| 53 | John H. Molter | 72 | Lodger | — | Germany |
| 54 | Frank P. Davis | 53 | Head | Florist | Czechoslovakia |
| 55 | Marie Davis | 46 | Wife | — | Czechoslovakia |
| 56 | Helen M. Davis THIS PERSON | 21 | Daughter | Stenographer | Maryland |
| 57 | Vera M. Davis | 11 | Daughter | — | Maryland |
| 58 | Franklin Phagler | 8 | Nephew | — | Maryland |
| 59 | Jacob Kokron | 60 | Head | — | Hungary |
| 60 | Katherine Kokron | 54 | Wife | — | Hungary |
| 61 | Samuel E. Kerns | 55 | Head | Huckster | Maryland |
| 62 | Margaret J. Kerns | 54 | Wife | — | South Carolina |
| 63 | — | None | — | — | — |
| 64 | Charles F. Burkhardt | 53 | Head | Baker | Maryland |
| 65 | Mary Burkhardt | 49 | Wife | — | Maryland |
| 66 | Evelyn M. Burkhardt | 28 | Daughter | Stock Clerk | Maryland |
| 67 | Charles E. Burkhardt | 25 | Son | Laborer | Maryland |
| 68 | Joseph A. Burkhardt | 15 | Son | — | Maryland |
| 69 | Helen L. Burkhardt | 12 | Daughter | — | Maryland |
| 70 | Madeline Devers | 62 | Head | — | Maryland |
| 71 | B. Ellen Devers | 23 | Daughter | Book Binder | Maryland |
| 72 | John T. Black | 28 | Head | 18 | Pennsylvania |
| 73 | Catherine J. Black | 23 | Wife | — | Pennsylvania |
| 74 | Paul A. Piper | 33 | Head | Aeronautical Engr. | Illinois |
| 75 | Pauline D. Piper | 31 | Wife | — | New York |
| 76 | Harold J. Piper | 1 | Son | — | Maryland |
| 77 | Willy J. Boin | 37 | Head | Tool & Die Maker | Germany |
| 78 | Elizabeth E. Boin | 32 | Wife | — | Maryland |
| 79 | Carl L. Boin | 4 | Son | — | Maryland |
| 80 | Wilhelm E. Boin | 2 | Son | — | Maryland |
Pedigree Summary
Helen + 1 sibling
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)