DG
Dorothy Graham — 1930 US Census Record
Model Tree available1930 United States Federal Census · None, Maryland
Our Model Tree links this Dorothy Graham across the 1920, 1930 and 1940 US Censuses in Maryland (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1917), then head of a 6-person household.
Age 13
b. ~1917
Female
Daughter
Born: Virginia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, Maryland |
| Surname | Graham |
| Given Name | Dorothy D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Charles Graham | Son | — | 12 | ~1918 |
| Helen Graham | Daughter | — | 5 | ~1925 |
| Mary Graham | Spouse | — | 36 | ~1894 |
| John Graham | Son | — | 7 | ~1923 |
| Dorothy Graham | Daughter | — | 13 | ~1917 |
| Charles Graham | Head | — | 39 | ~1891 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 2
Baltimore, Maryland · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Dorothy V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
None, Maryland
Daughter, age 13
None, Maryland · implied b. ~1917 — 6 household members
| Surname | Graham |
| Given Name | Dorothy D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Baltimore-City-County, Maryland
Other, age 23
Baltimore-City-County, Maryland · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | GRAHAM |
| Given Name | DROTHY V |
| Relationship to Head | LODGER |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | VIRGINIA |
| 1935 Residence (City) | BALTIMORE |
| 1935 Residence (County) | Baltimore City |
| Occupation | PRESSER |
| Industry | LAUNDRY |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 448 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Graham across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Charles Graham (~0.92 confidence) and father Charles Graham (~0.92 confidence) and mother Madaline Graham (~0.92 confidence) and mother Mary Graham (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Graham
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Charles Graham
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Madaline Graham
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mary Graham
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Graham
Daughter · 1930 · age 13 · b. ~1917 · Maryland
★ You are viewing this record
Sibling
Charles Graham
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Graham
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Graham
Sibling · 1930 · age 5
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
1930 US Federal Census — None, Maryland
Open full size
1930 US Federal Census — None, Maryland
Page Contents
42 people indexed on this census page (ia:1930:15thcensus852unit:0583)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Aaron Grammer | 72 | Head | — | Maryland |
| 2 | Mary Grammer | 65 | Wife | — | Maryland |
| 3 | John W Grammer | 38 | Son | Laborer | Maryland |
| 4 | Violet Grammer | 26 | Daughter | Coat Press | Maryland |
| 5 | Albert W Grammer | 24 | Son | — | Maryland |
| 6 | George L Barrier | 60 | Head | Sheet Metal | Maryland |
| 7 | Jane Barrier | 51 | Wife | — | Switzerland |
| 8 | Elizabeth Barrier | 25 | Daughter | Seamstress | Maryland |
| 9 | Warren Ferguson | 42 | Head | Chauffeur | Delaware |
| 10 | Kathryn Ferguson | 37 | Wife | — | Maryland |
| 11 | Warren J Ferguson | 16 | Son | — | Maryland |
| 12 | Mary W Ferguson | 2 | Daughter | — | Maryland |
| 13 | Andrew Elliott | 42 | Head | Merchant Retail | Maryland |
| 14 | Elizabeth Elliott | 38 | Wife | — | Maryland |
| 15 | Edna E Elliott | 19 | Daughter | Sewing Machine | Maryland |
| 16 | William E Smith | 39 | Head | Painter | Maryland |
| 17 | Etta M Smith | 39 | Wife | — | Maryland |
| 18 | David J Bishop | 58 | Head | Butcher | Maryland |
| 19 | Mary E Bishop | 60 | Wife | — | Maryland |
| 20 | James E Wagner | 38 | Head | Fireman | Maryland |
| 21 | Annie E Wagner | 32 | Wife | — | Pennsylvania |
| 22 | James E Jr Wagner | 8 | Son | — | Maryland |
| 23 | Donald F Wagner | 5 | Son | — | Maryland |
| 24 | Charles H Graham | 39 | Head | Mechanic | Virginia |
| 25 | Mary M Graham | 36 | Wife | — | Virginia |
| 26 | Dorothy D Graham THIS PERSON | 13 | Daughter | — | Virginia |
| 27 | Charles H Jr Graham | 12 | Son | — | Maryland |
| 28 | John D Graham | 7 | Son | — | Maryland |
| 29 | Helen L Graham | 5 | Daughter | — | Maryland |
| 32 | Steven Tuman | 37 | Head | Cook | Czechoslovakia |
| 33 | Josephine Tuman | 36 | Wife | — | Czechoslovakia |
| 34 | Frank Tuman | 14 | Son | — | Maryland |
| 35 | Mary Tuman | 7 | Daughter | — | Maryland |
| 42 | William Booker | 35 | Head | Stevedore | Virginia |
| 43 | Delia H Booker | 36 | Wife | — | Virginia |
| 44 | James A Booker | 21 | Step son | Janitor | Virginia |
| 45 | Manson Rockett A Booker | 19 | Step daughter | — | Virginia |
| 46 | Wilbur J Booker | 20 | Step son | Janitor | Virginia |
| 47 | Jacob Ford | 50 | Head | Laborer | Virginia |
| 48 | Daisy E Ford | 45 | Wife | — | Virginia |
| 49 | Beatrice Ford | 22 | Daughter | Teacher | Maryland |
| 50 | Mabel Ford | 20 | Daughter | Clerk | Maryland |
Pedigree Summary
Dorothy + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)