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Mary Green — 1930 US Census Record
Model Tree available1930 United States Federal Census · District Of Columbia, District of Columbia
Our Model Tree links this Mary Green across the 1920, 1930 and 1940 US Censuses in District Of Columbia, District of Columbia (XGBoost, ~Confirmed), with identified parents John & Richard — first a daughter (b.~1918), then head of a 3-person household.
Age 12
b. ~1918
Female
Daughter
Born: Virginia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | District Of Columbia, District of Columbia |
| Surname | Green |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| 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 | Washington |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Green | Daughter | — | 12 | ~1918 |
| John Green | Head | — | 35 | ~1895 |
| Katie Green | Spouse | — | 25 | ~1905 |
Census Appearances
1920
I, District …
Daughter, age 3
I, District of Columbia · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
District Of …
Daughter, age 12
District Of Columbia, District of Columbia · implied b. ~1918 — 3 household members
| Surname | Green |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| 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
District-Of-Columbia-County, District …
Daughter, age 21
District-Of-Columbia-County, District of Columbia · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Marie E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Washington |
| 1935 Residence (County) | District Of Columbia |
| Occupation | Clerk Health |
| Industry | Health Service Project |
| Class of Worker | GW |
| Hours Worked | 12 |
| Income (1939) | 74 |
| Highest Grade | C-2 |
| 1935 Residence | Same House |
| 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 Mary Green across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Green (~0.92 confidence) and father Richard Green (~0.92 confidence) and mother Lillie Green (~0.92 confidence) and mother Katie Green (~0.92 confidence) and mother Annie Green (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Green
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Richard Green
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Lillie Green
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Katie Green
b. ~1905
Source mother
● Household
· direct · ~0.92
Mother
Annie Green
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Green
Daughter · 1930 · age 12 · b. ~1918 · District of Columbia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — District Of Columbia, District of Columbia
Open full size
1930 US Federal Census — District Of Columbia, District of Columbia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus294unit:1125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary B Berry | 48 | Head | — | District of Columbia |
| 2 | Carrie A Berry | 21 | Daughter | — | District of Columbia |
| 3 | William Brooks | 21 | Nephew | — | District of Columbia |
| 4 | Marie Mondell | 21 | Daughter | Waitress | District of Columbia |
| 5 | Margaret Williams | 50 | Head | Servant | South Carolina |
| 6 | Addie Spears | 53 | Sister | — | South Carolina |
| 7 | Irene Dorobee | 33 | Head | Waitress | District of Columbia |
| 8 | Jennie Dorobee | 49 | Mother | — | District of Columbia |
| 9 | Lawrence Edwards | 21 | Roomer | Laborer | Maryland |
| 10 | Raymond White | 12 | Son | Helper | District of Columbia |
| 11 | John Pratt | 35 | Roomer | Helper | Maryland |
| 12 | Nora Ringer | 46 | Head | Maid | Virginia |
| 13 | Blanche Maxfield | 31 | Sister | Waitress | Virginia |
| 14 | Mabel Ledbetter | 27 | Niece | Waitress | Virginia |
| 15 | Juanita Carter | 9 | Niece | — | District of Columbia |
| 16 | Joseph A Brown | 35 | Head | Driver | Maryland |
| 17 | Russell Brown | 21 | Relative | Laborer | Maryland |
| 18 | Edna Brown | 17 | Relative | — | Maryland |
| 19 | Joseph Lancaster | 26 | Relative | Porter | Maryland |
| 20 | Myrtle Lancaster | 23 | Relative | Waitress | Maryland |
| 21 | Vivian Wilson | 17 | Relative | Helper | Maryland |
| 22 | Nellie Johnson | 42 | Head | — | District of Columbia |
| 23 | Rose Johnson | 27 | Roomer | — | Maryland |
| 24 | Edith Johnson | 18 | Adopted Daughter | — | District of Columbia |
| 25 | James Butler | 22 | Head | Laborer | District of Columbia |
| 26 | Eva Butler | 21 | Wife | — | Virginia |
| 27 | Eva Grantham | 8 | Daughter | — | District of Columbia |
| 28 | Gladys Russell | 18 | Roomer | — | Maryland |
| 29 | Ella Brown | 39 | Head | Cook | District of Columbia |
| 30 | Ernest Brown | 27 | Brother | Mechanic | District of Columbia |
| 31 | Frank Jefferson | 67 | Head | Laborer | Virginia |
| 32 | Ida Jefferson | 62 | Wife | Servant | Virginia |
| 33 | William Westray | 68 | Head | — | North Carolina |
| 34 | Essie Westray | 34 | Wife | — | North Carolina |
| 35 | Richard Penn | 41 | Head | Laborer | District of Columbia |
| 36 | Martha Penn | 70 | Mother | — | Virginia |
| 37 | Annie Meakins | 28 | Roomer | Servant | Maryland |
| 38 | Katie Holmes | 65 | Head | — | Virginia |
| 39 | Robert Holmes | 25 | Son | Laborer | Virginia |
| 40 | Helen Holmes | 21 | Daughter | — | Virginia |
| 41 | Evelyn Thomas | 9 | Granddaughter | — | Virginia |
| 42 | Rosa Thomas | 7 | Granddaughter | — | Virginia |
| 43 | William Holmes | 13 | Grandson | — | District of Columbia |
| 44 | Beulah H Holmes | 5 | Granddaughter | — | District of Columbia |
| 45 | John Green | 35 | Head | Truckman | District of Columbia |
| 46 | Katie Green | 25 | Wife | — | Virginia |
| 47 | Mary Green THIS PERSON | 12 | Daughter | — | Virginia |
| 48 | Moses Bunter | 34 | Head | Laborer | South Carolina |
| 49 | Christine Bunter | 28 | Wife | — | District of Columbia |
| 50 | William Bunter | 1 | Son | — | District of Columbia |
Pedigree Summary
Mary
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)