HG
Helen Green — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Helen Green across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Robert & Albert — first a daughter (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Green |
| Given Name | Helen F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | clerk |
| Industry | wholesale grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 660 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Clerk |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Green | Daughter | — | 25 | ~1915 |
| Henry Green | Son | — | 26 | ~1914 |
| Harry Green | Head | — | 44 | ~1896 |
| Nora Green | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 6
Baltimore, Maryland · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Helen R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 16
Baltimore, Maryland · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 25
Baltimore-City-County, Maryland · implied b. ~1915 — 4 household members
| Surname | Green |
| Given Name | Helen F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore |
| Occupation | clerk |
| Industry | wholesale grocery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 660 |
| Highest Grade | Hs 4 |
| 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 Helen Green across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Green (~0.92 confidence) and father Albert Green (~0.92 confidence) and mother Hattie Green (~0.92 confidence) and father Harry Green (~0.92 confidence) and mother Nora Green (~0.92 confidence) and mother Mollie Green (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Green
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Albert Green
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Hattie Green
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Harry Green
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Nora Green
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Mollie Green
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Green
Daughter · 1940 · age 25 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Henry Green
Sibling · 1940 · age 26
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
38 people indexed on this census page (nara:1940:m-t0627-01525-00613)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice L. Gollery | 50 | Head | — | Maryland |
| 42 | William A. Hayes | 42 | Head | Supervisor | Pennsylvania |
| 43 | Elsie P. Hayes | 44 | Wife | Alteration Hand | Minnesota |
| 44 | Jeanne H. Hayes | 20 | Daughter | Clerk | Maryland |
| 45 | Gloria W. Hayes | 17 | Daughter | — | Maryland |
| 46 | Frederick L. Dewberry | 44 | Head | Sales Supervisor | Maryland |
| 47 | Dorothea A. Dewberry | 42 | Wife | — | Maryland |
| 48 | Frederick Jr. Dewberry | 18 | Son | New Worker | Maryland |
| 49 | Xavier Dewberry | 14 | Son | — | Maryland |
| 50 | Jerome Dewberry | 8 | Son | — | Maryland |
| 51 | Edward Campbell | 69 | Head | Retired | Kentucky |
| 52 | Eugene Swann | 22 | Nephew-in-law | Shade Maker | Virginia |
| 53 | Rose Swann | 19 | Niece | — | Maryland |
| 54 | James E. Wood | 26 | Nephew-in-law | Operator | Maryland |
| 55 | Matilda Wood | 21 | Niece | Seamstress | Virginia |
| 56 | Bertha S. Claggett | 44 | Head | Musician | New York |
| 57 | Lester A. Stagge | 35 | Head | — | Maryland |
| 58 | Charles Jones | 50 | Head | Carpenter | Maryland |
| 59 | Estelle A. Jones | 47 | Wife | — | Maryland |
| 60 | Dorine M. Jones | 18 | Daughter | Stenographer | Maryland |
| 61 | Carl Jones | 16 | Son | — | Maryland |
| 62 | Harry G. Green | 44 | Head | Chauffeur | Maryland |
| 63 | Nora F. Green | 44 | Wife | — | Maryland |
| 64 | Henry H. Green | 26 | Son | Chauffeur | Maryland |
| 65 | Helen F. Green THIS PERSON | 25 | Daughter | Clerk | Maryland |
| 66 | Leo C. Geraghty | 45 | Head | Lawyer | Maryland |
| 67 | Mary E. Geraghty | 44 | Wife | — | Maryland |
| 68 | Leo C. Jr. Geraghty | 14 | Son | — | Maryland |
| 69 | Mary C. Geraghty | 8 | Daughter | — | Maryland |
| 70 | William Tenbusch | 27 | Head | Sheet Metal Worker | Maryland |
| 71 | Lillian S. Tenbusch | 27 | Wife | — | Pennsylvania |
| 72 | William, Jr. Tenbusch | 3 | Son | — | Maryland |
| 73 | Frank M. Cochrane | 34 | Head | Stevedore And Longshoreman | North Carolina |
| 74 | Mabel L. Cochrane | 36 | Sister | — | North Carolina |
| 75 | Arthur Szymczewski | 52 | Head | Machinist | Austria |
| 76 | Stephanie S. Szymczewski | 47 | Wife | — | Austria |
| 77 | Walter Szymczewski | 24 | Son | Floor Scraper | Maryland |
| 78 | Geraldine Szymczewski | 20 | Daughter | Stenographer | Michigan |
Related Census Records
Pedigree Summary
Helen + 1 sibling
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)