DS
Dorothy Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Dorothy Smith across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents W & William — first a daughter (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Smith |
| Given Name | Dorothy C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 9 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Instructor |
| Industry | Retail store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 770 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Instructor |
| Township / Ward | Election District 9 |
| Est. Birth Year | ~1913 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Smith | Daughter | — | 27 | ~1913 |
| W Smith | Head | — | 68 | ~1872 |
| Mayl Preyer | Other | — | 34 | ~1906 |
| Anna Smith | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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 16
Baltimore, Maryland · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Dorothy C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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-County, Maryland
Daughter, age 27
Baltimore-County, Maryland · implied b. ~1913 — 4 household members
| Surname | Smith |
| Given Name | Dorothy C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 9 |
| 1935 Residence (County) | Baltimore |
| Occupation | Instructor |
| Industry | Retail store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 770 |
| Highest Grade | C 2 |
| 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 Dorothy Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Anna Smith (~0.92 confidence) and mother Anna Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Smith
b. ~1872
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Anna Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Anna Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Smith
Daughter · 1940 · age 27 · b. ~1913 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01505-00359)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John B Huff | 16 | Son | — | New York |
| 42 | Mary C Huff | 14 | Daughter | — | New York |
| 43 | Ernest E Ayer | 71 | Head | — | England |
| 44 | Ellen M Ayer | 67 | Wife | — | Illinois |
| 45 | W. J. Rev. Smith | 68 | Head | Pastor | Maryland |
| 46 | Anna L Smith | 59 | Wife | — | Maryland |
| 47 | Dorothy C Smith THIS PERSON | 27 | Daughter | Instructor | Maryland |
| 48 | Mayl Preyer | 34 | Servant | House Maid | Maryland |
| 49 | Robert H Ray | 33 | Head | Industrial Engineer | Maryland |
| 50 | Florence S Ray | 30 | Wife | — | Pennsylvania |
| 51 | Mollie F Ray | 0 | Daughter | — | Maryland |
| 52 | Harry R Jr Warfield | 34 | Head | Consulting Engineer | West Virginia |
| 53 | Lina R Warfield | 31 | Wife | — | Maryland |
| 54 | Harry R 3Rd Warfield | 4 | Son | — | Maryland |
| 55 | Susan Linn Warfield | 2 | Daughter | — | Maryland |
| 56 | Margaret Wicks | 19 | Servant | House Maid | Maryland |
| 57 | Stewart O Gill | 26 | Head | Painter | Maryland |
| 58 | Dorothy C Gill | 23 | Wife | — | Maryland |
| 59 | Dorothy A Gill | 7 | Daughter | — | Maryland |
| 60 | Nancy S Gill | 3 | Daughter | — | Maryland |
| 61 | Janice G Gill | 1 | Daughter | — | Maryland |
| 62 | Merton Glover | 40 | Head | Carpenter | Maryland |
| 63 | Mary E Glover | 40 | Wife | — | Maryland |
| 64 | Barbara A Glover | 8 | Daughter | — | Maryland |
| 65 | Julia E Gill | 65 | Mother in law | — | Maryland |
| 66 | Ernest W Gill | 25 | Brother in law | Auto Mechanic | Maryland |
| 67 | Samuel Harper | 51 | Head | Chauffeur | England |
| 68 | Lillian Harper | 50 | Wife | — | England |
| 69 | Samuel J Harper | 22 | Son | Rivetter | Maryland |
| 70 | William J Bloom | 50 | Head | Carpenter | Maryland |
| 71 | E. Odessa Bloom | 48 | Wife | — | Maryland |
| 72 | Odessa W Bloom | 13 | Daughter | — | Maryland |
| 73 | George Coster | 75 | Head | — | Italy |
| 74 | Marie Coster | 64 | Wife | — | Italy |
| 75 | Lillian Coster | 28 | Daughter | Candy Maker | Maryland |
| 76 | Anthony Coster | 26 | Son | Printer | Maryland |
| 77 | James Coster | 6 | Grandson | — | Maryland |
| 78 | Harry H Blackstone | 45 | Head | Assessor | Ohio |
| 79 | Eileen M Blackstone | 38 | Wife | — | Ohio |
| 80 | Barbara J Blackstone | 15 | Daughter | — | Ohio |
Pedigree Summary
Dorothy
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)