JG
John Greene — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Greene across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 12-person household.
Age 19
b. ~1921
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Greene |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Bottler |
| Industry | Soft drink mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 550 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Bottler |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1921 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Greene | Son | — | 7 | ~1933 |
| John Greene | Son | — | 19 | ~1921 |
| Thomas Greene | Son | — | 20 | ~1920 |
| Estelle Washington | Other | — | 30 | ~1910 |
| Mary Greene | Daughter | — | 12 | ~1928 |
| Emily Greene | Spouse | — | 39 | ~1901 |
| Emily Greene | Head | — | 41 | ~1899 |
| Louis Greene | Son | — | 10 | ~1930 |
| Anna Greene | Daughter | — | 16 | ~1924 |
| Augusta Greene | Daughter | — | 14 | ~1926 |
| Wirt Greene | Son | — | 5 | ~1935 |
| Harold Greene | Son | — | 13 | ~1927 |
Census Appearances
1930
Baltimore, Maryland
Son, age 9
Baltimore, Maryland · implied b. ~1921 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grooms |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 19
Baltimore-City-County, Maryland · implied b. ~1921 — 12 household members
| Surname | Greene |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Bottler |
| Industry | Soft drink mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 550 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 John Greene across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Greene
Son · 1940 · age 19 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Harold Greene
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Greene
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Greene
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Greene
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Greene
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Augusta Greene
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wirt Greene
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Greene
Sibling · 1940 · age 16
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
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01518-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Madison | 43 | Head | Blast Furnace Worker | Maryland |
| 2 | Lorraine Madison | 37 | Wife | — | Maryland |
| 3 | Ellen Madison | 20 | Daughter | New Worker | Virginia |
| 4 | Jasper Madison | 25 | Nephew | Ladle Loader | Virginia |
| 5 | Lockett Madison | 29 | Nephew | Nozzle Setter | Virginia |
| 6 | Wyeth P. Johnson | 60 | Head | Express Driver | Maryland |
| 7 | Louis Barksdale | 28 | Head | Car Washer | Virginia |
| 8 | Mary Barksdale | 30 | Wife | Houseworker | North Carolina |
| 9 | Alice G. Henderson | 48 | Head | Domestic Servant | District of Columbia |
| 10 | Carl Goffney | 37 | Cousin | Attendant And Car Washer | Virginia |
| 11 | Rose Taylor | 65 | Head | Cook | Virginia |
| 12 | James Taylor | 33 | Son | Janitor | Maryland |
| 13 | Floyd Taylor | 27 | Son | Janitor | Maryland |
| 14 | Nannie Taylor | 23 | Daughter-in-law | — | North Carolina |
| 15 | Emily Thomas Greene | 41 | Head | Laborer | Virginia |
| 16 | Emily Greene | 39 | Wife | — | Virginia |
| 17 | Thomas Greene | 20 | Son | Bottler | Maryland |
| 18 | John Greene THIS PERSON | 19 | Son | Bottler | Maryland |
| 19 | Anna Greene | 16 | Daughter | — | Maryland |
| 20 | Augusta Greene | 14 | Daughter | — | Maryland |
| 21 | Harold Greene | 13 | Son | — | Maryland |
| 22 | Mary Greene | 12 | Daughter | — | Maryland |
| 23 | Louis Greene | 10 | Son | — | Maryland |
| 24 | Lawrence Greene | 7 | Son | — | Maryland |
| 25 | Wirt Greene | 5 | Son | — | Maryland |
| 26 | Estelle Washington | 30 | Lodger | Kitchen Helper | Maryland |
| 27 | John Boyd | 40 | Head | Laborer | South Carolina |
| 28 | Jessie Boyd | 36 | Wife | — | South Carolina |
| 29 | Peggy Boyd | 23 | Son | Ship Wrecker | South Carolina |
| 30 | James Boyd | 19 | Son | Attendant | South Carolina |
| 31 | Mathew Boyd | 15 | Son | — | South Carolina |
| 32 | Julius Boyd | 12 | Son | — | South Carolina |
| 33 | Lillie Mae Boyd | 9 | Step-daughter | — | Maryland |
| 34 | Robert Boyd | 4 | Step-son | — | Maryland |
| 35 | Anna Elvira Jones | 35 | Head | Dress Sales Lady | North Carolina |
| 36 | Ethel Askew | 21 | Daughter | House Servant | North Carolina |
| 37 | Dorothy L. Askew | 1 | Daughter | — | North Carolina |
| 38 | Zuline Oakley | 35 | Lodger | Domestic Work | North Carolina |
| 39 | Elizabeth Williams | 50 | Lodger | Cooking & Housework | Virginia |
| 40 | Samuel Powell | 62 | Lodger | Car Washer & Simonizer | Maryland |
Related Census Records
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)