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Mary Marshall — 1930 US Census Record
Model Tree available1930 United States Federal Census · None, District of Columbia
Our Model Tree links this Mary Marshall across the 1910, 1920 and 1930 US Censuses in District of Columbia (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a daughter (b.~1901), then head of a 7-person household.
Age 29
b. ~1901
Female
Daughter
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, District of Columbia |
| Surname | Marshall |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Demonstrator |
| Industry | School Books |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Demonstrator |
| Township / Ward | Washington City |
| Est. Birth Year | ~1901 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jane Marshall | Daughter | — | 22 | ~1908 |
| Mary Marshall | Daughter | — | 29 | ~1901 |
| Thomas Marshall | Head | — | 58 | ~1872 |
| Thomas Marshall | Son | — | 24 | ~1906 |
| James Marshall | Son | — | 17 | ~1913 |
| Whitfield Marshall | Son | — | 19 | ~1911 |
| Grace Marshall | Spouse | — | 48 | ~1882 |
Census Appearances
1910
None, District …
Daughter, age 9
None, District of Columbia · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1920
None, District …
Daughter, age 18
None, District of Columbia · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
None, District …
Daughter, age 29
None, District of Columbia · implied b. ~1901 — 7 household members
| Surname | Marshall |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Georgia |
| Occupation | Demonstrator |
| Industry | School Books |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Mary Marshall across 3 US Census years (1910, 1920 and 1930) in None, District of Columbia, using XGBoost record linkage. Identified parents: father Thomas Marshall (~0.92 confidence) and father Thomas Marshall (~0.92 confidence) and mother Kathleen Marshall (~0.92 confidence) and father Thomas Marshall (~0.92 confidence) and mother Grace Marshall (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Marshall
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Thomas Marshall
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Kathleen Marshall
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Thomas Marshall
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Grace Marshall
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Marshall
Daughter · 1930 · age 29 · b. ~1901 · District of Columbia
★ You are viewing this record
Sibling
Thomas Marshall
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Marshall
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Whitfield Marshall
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Marshall
Sibling · 1930 · age 22
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, District of Columbia
Open full size
1930 US Federal Census — None, District of Columbia
Page Contents
33 people indexed on this census page (ia:1930:15thcensus303unit:0922)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles H. Beall | 50 | Head | Carpenter | Maryland |
| 52 | Camilla H. Beall | 34 | Wife | None | District Columbia |
| 53 | Charles H. Jr. Beall | 9 | Son | None | District Columbia |
| 54 | Camilla G. Beall | 7 | Daughter | None | District Columbia |
| 55 | Mary E. Chism | 73 | Head | None | District Columbia |
| 56 | Walter E. Chism | 50 | Son | Painter | District Columbia |
| 57 | Louis F. Chism | 38 | Son | Painter | District Columbia |
| 58 | Thomas H. Marshall | 58 | Head | Civil Engineer | Indiana |
| 59 | Grace M. Marshall | 48 | Wife | None | Indiana |
| 60 | Mary E. Marshall THIS PERSON | 29 | Daughter | Demonstrator | Georgia |
| 61 | Thomas H. Jr. Marshall | 24 | Son | Midshipman | District Columbia |
| 62 | Jane H. Marshall | 22 | Daughter | None | District Columbia |
| 63 | Whitfield H. Marshall | 19 | Son | None | District Columbia |
| 64 | James P. Marshall | 17 | Son | None | District Columbia |
| 65 | Oliver H. Scott | 43 | Head | Clerk | Pennsylvania |
| 66 | Charlene B. Scott | 42 | Wife | None | District Columbia |
| 67 | Hugh B. Scott | 14 | Son | None | District Columbia |
| 68 | Mildred G. Browne | None | Lodger | None | U.S. |
| 69 | Henry J. Klein | 37 | Head | Chauffeur | District Columbia |
| 70 | Eva M. Klein | 36 | Wife | None | Maryland |
| 71 | Francis P. Klein | 11 | Son | None | Maryland |
| 72 | John H. Ricks | 75 | Father in law | None | Maryland |
| 73 | Florence M. Hunter | 31 | Head | None | District Columbia |
| 74 | Robert Hunter | 3 | Son | — | District Columbia |
| 75 | Nora Jones | 39 | Head | Dressmaker | Virginia |
| 76 | James M. Henderson | 45 | Head | Engineer | Maryland |
| 77 | Lena E. Henderson | 30 | Wife | None | District Columbia |
| 78 | Dorothy Henderson | 16 | Daughter | None | Maryland |
| 79 | James M. Jr. Henderson | 11 | Son | None | District Columbia |
| 80 | Lydia Disney | 52 | Head | None | Canada English |
| 81 | Isabella Disney | 39 | Sister | None | Canada English |
| 82 | Lena B. Magann | 36 | Sister | None | Canada English |
| 83 | Claude E. Disney | 59 | Brother | None | Canada English |
Related Census Records
Pedigree Summary
Mary + 4 siblings
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 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)