MG
Mary Green — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Green across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Phyllis & William — first a daughter (b.~1913), then head of a 3-person household.
Age 17
b. ~1913
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Green |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Servant |
| Township / Ward | Baltimore |
| 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Green | Daughter | — | 17 | ~1913 |
| Phyllis Green | Head | — | 42 | ~1888 |
| Eliza Green | Spouse | — | 34 | ~1896 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1914 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 17
Baltimore, Maryland · implied b. ~1913 — 3 household members
| Surname | Green |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 28
Baltimore-City-County, Maryland · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 520 |
| Highest Grade | H 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 Mary Green across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Phyllis Green (~0.92 confidence) and father William Green (~0.92 confidence) and mother Emma Green (~0.92 confidence) and mother Eliza Green (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Phyllis Green
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Green
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Emma Green
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Eliza Green
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Green
Daughter · 1930 · age 17 · 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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus858unit:1000)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Sarah Land | 70 | Serv | Laundress | Virginia |
| 52 | Frank Smith | 51 | Head | Laborer | Maryland |
| 53 | Nannie Smith | 51 | Wife | Cook | Maryland |
| 54 | Jackson Smith | 15 | Son | — | Maryland |
| 55 | Moses Jones | 35 | Head | Mechanic | North Carolina |
| 56 | Ester Jones | 29 | Wife | Housework | Virginia |
| 57 | H. Williams Baptist | 27 | Head | Laborer | Maryland |
| 58 | Marie Baptist | 27 | Wife | — | Virginia |
| 59 | William, Jr Baptist | 7 | Son | — | Maryland |
| 60 | Louise Baptist | 5 | Daughter | — | Maryland |
| 61 | Bertha Baptist | 3 | Daughter | — | Maryland |
| 62 | Annie Baptist | 2 | Daughter | — | Maryland |
| 63 | Louisa Baptist | 0 | Daughter | — | Maryland |
| 64 | Robert Parrott | 43 | Boarder | Laborer | South Carolina |
| 65 | Ordary Parrott | 37 | Boarder | — | Maryland |
| 66 | Phyllis Green | 42 | Head | Laborer | Maryland |
| 67 | Eliza Green | 34 | Wife | — | Maryland |
| 68 | Mary Green THIS PERSON | 17 | Daughter | Servant | Maryland |
| 69 | Green | 15 | Daughter | — | Maryland |
| 70 | Green | 12 | Daughter | — | Maryland |
| 71 | Price | 24 | Head | Laborer | Virginia |
| 72 | Ethel Price | 23 | Wife | — | Maryland |
| 73 | Jerome Price | 5 | Son | — | Maryland |
| 74 | Rosie Price | 4 | Daughter | — | Maryland |
| 75 | Helen Price | 2 | Daughter | — | Maryland |
| 76 | Mildred Price | 0 | Daughter | — | Maryland |
| 77 | Hester Freeman | 49 | Mother-in-law | Servant | Maryland |
| 78 | Harriette Moults | 47 | Mother | Cook | Virginia |
| 79 | Herbert Hart | 49 | Head | Longshoreman | Maryland |
| 80 | Lillian Hart | 42 | Wife | — | Maryland |
| 81 | Alfred Butts | 55 | Head | Laborer | Virginia |
| 82 | Julia Butts | 45 | Wife | — | Maryland |
| 83 | Ruth Butts | 15 | Daughter | — | Maryland |
| 84 | Naomi Butts | 11 | Daughter | — | Maryland |
| 85 | George Williams | 30 | Boarder | Laundress | Pennsylvania |
| 86 | Noah Harris | 29 | Head | Chauffeur | Virginia |
| 87 | Elsie Harris | 20 | Wife | — | Virginia |
| 88 | Alvin Harris | 4 | Son | — | Virginia |
| 89 | Robert Harris | 2 | Son | — | Maryland |
| 90 | La Ruth Harris | 0 | Daughter | — | Maryland |
| 91 | James Harris | 59 | Uncle | Laborer | Virginia |
| 92 | Elizabeth Washington | 51 | Head | Cook | Maryland |
| 93 | Annie Banks | 49 | Sister | Cook | Maryland |
| 94 | John Gladstone | 30 | Boarder | Longshoreman | Virginia |
| 95 | William Sreder | 10 | Boarder | Janitor | Maryland |
| 96 | Junius Hill | 28 | Head | — | Maryland |
| 97 | Martha Hill | 10 | Daughter | — | Maryland |
| 98 | Geraldine Hill | 9 | Daughter | — | Maryland |
| 99 | Edna Hill | 5 | Daughter | — | Maryland |
| 100 | Flora Hill | 3 | Daughter | — | Maryland |
Pedigree Summary
Mary
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)