RD
Ruth Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Ruth Davis across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Daughter
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Davis |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Inspector |
| Industry | Western Electric |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1060 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Inspector |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Davis | Daughter | — | 30 | ~1910 |
| Minnie Hogan | Head | — | 65 | ~1875 |
| Frank Hogan | Son | — | 28 | ~1912 |
Census Appearances
1920
None, Maryland
Daughter, age 9
None, Maryland · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 20
Baltimore, Maryland · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| 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 30
Baltimore-City-County, Maryland · implied b. ~1910 — 3 household members
| Surname | Davis |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Inspector |
| Industry | Western Electric |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1060 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Ruth Davis across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father George Davis (~0.92 confidence) and father George Davis (~0.92 confidence) and mother Alice Davis (~0.92 confidence) and mother Alice Davis (~0.92 confidence) and mother Minnie Hogan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Davis
b. ~1869
Source father
● Household
· direct · ~0.92
Father
George Davis
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Alice Davis
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Alice Davis
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Minnie Hogan
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Davis
Daughter · 1940 · age 30 · b. ~1910 · Maryland
★ You are viewing this record
Sibling
Frank Hogan
Sibling · 1940 · age 28
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-t0627-01516-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Trebeig | 44 | Wife | — | Maryland |
| 42 | Mary Denhardt | 68 | Mother-in-law | — | Maryland |
| 43 | George Hensler | 47 | Head | Machinist | Maryland |
| 44 | Hattie Hensler | 50 | Wife | — | Maryland |
| 45 | Joseph Melker | 33 | Head | Insulator | Maryland |
| 46 | Margaret Melker | 33 | Wife | — | Maryland |
| 47 | Rochelle Melker | 11 | Daughter | — | Maryland |
| 48 | Joseph Jr. Melker | 9 | Son | — | Maryland |
| 49 | Thomas Melker | 7 | Son | — | Maryland |
| 50 | Elizabeth Melker | 5 | Daughter | — | Maryland |
| 51 | August Melker | 1 | Son | — | Maryland |
| 52 | John A. Moffett | 41 | Head | Paper Hanger | Maryland |
| 53 | Dorothy Moffett | 22 | Wife | — | Maryland |
| 54 | John A. Jr. Moffett | 1 | Son | — | Maryland |
| 55 | Charles Dean Moffett | None | Son | — | Maryland |
| 56 | Raymond Nunzio | 70 | Head | Barber | Italy |
| 57 | Henry Rarmer | 71 | Head | Old Age Pension | Maryland |
| 58 | Margaret A. Rarmer | 63 | Wife | — | Maryland |
| 59 | William Rarmer | 26 | Son | Chemist | Maryland |
| 60 | Irene Hush | 34 | Daughter | Laborer | Virginia |
| 61 | Mabel Hush | 36 | Daughter | — | Massachusetts |
| 62 | Henry Hush | 11 | Grandson | — | Maryland |
| 63 | Irene Hush | 7 | Granddaughter | — | Maryland |
| 64 | Albert Hirschke | 72 | Head | Piano Maker | Germany |
| 65 | Lena Hirschke | 67 | Wife | — | Germany |
| 66 | Thomas J. Davis | 69 | Head | Salesman | Maryland |
| 67 | Ida Davis | 64 | Wife | — | Maryland |
| 68 | Virginia Martin | 43 | Head | Laundress | Virginia |
| 69 | Earl Martin | 17 | Son | Helper | Maryland |
| 70 | Fortman Audrey Martin | 20 | Daughter | — | Maryland |
| 71 | Joseph Byncia | 51 | Head | Shoe Repairer | Italy |
| 72 | Anna A. Walters | 57 | Head | — | Maryland |
| 73 | Carolyn A. Walters | 38 | Daughter | Clerk | Maryland |
| 74 | Minnie Hogan | 65 | Head | — | Maryland |
| 75 | Frank E. Hogan | 28 | Son | Plumber Helper | Maryland |
| 76 | Ruth Davis THIS PERSON | 30 | Daughter | Inspector | Maryland |
| 77 | Robert Stinson | 28 | Head | Shipping Clerk | West Virginia |
| 78 | Donna Stinson | 24 | Wife | — | Virginia |
| 79 | Robert Mutispaugh | 25 | Brother-in-law | Helper | Virginia |
| 80 | John Hemstait | 58 | Head | Restaurant | Maryland |
Pedigree Summary
Ruth + 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)