HG
Harry Green — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Harry Green across the 1910, 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Carl & Elias — first a son (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Green |
| Given Name | Harry S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Rockport |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Gardener |
| Industry | Summer Estate |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 650 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Gardener |
| Township / Ward | Rockport |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Carl Green | Head | — | 52 | ~1888 |
| Harry Green | Son | — | 30 | ~1910 |
| Sigrid Green | Spouse | — | 52 | ~1888 |
Census Appearances
1910
Essex, Massachusetts
Son, age
Essex, Massachusetts · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Swed Swedish |
| Mother's Birthplace | Swed Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 10
Essex, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Harry B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 20
Essex, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Harry S. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 30
Essex-County, Massachusetts · implied b. ~1910 — 3 household members
| Surname | Green |
| Given Name | Harry S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Rockport |
| 1935 Residence (County) | Essex |
| Occupation | Gardener |
| Industry | Summer Estate |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 650 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Harry Green across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Green (~0.92 confidence) and father Elias Green (~0.92 confidence) and mother Olga Green (~0.92 confidence) and father Carl Green (~0.92 confidence) and mother Sigrid Green (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Green
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Elias Green
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Olga Green
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Carl Green
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Sigrid Green
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Green
Son · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01588-00610)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Kallioaama | 72 | Head | Quarryman | Finland |
| 42 | Hilja Kallioaama | 62 | Wife | — | Finland |
| 43 | Emil C. Niemi | 66 | Head | Quarryman | Finland |
| 44 | Jacob Holso | 59 | Head | Quarryman | Finland |
| 45 | Annie N. Johnson | 48 | Head | Housework | Finland |
| 46 | Leo A. Johnson | 26 | Son | Salesman | Massachusetts |
| 47 | Everett Elso | 48 | Head | Mason Tender | Finland |
| 48 | Josephine Elso | 45 | Wife | — | Massachusetts |
| 49 | Robert Elso | 24 | Son | Truck Driver | Massachusetts |
| 50 | Katherine Koivisto | 80 | Mother-in-law | — | Finland |
| 51 | John Herlihy | 67 | Head | — | Massachusetts |
| 52 | Jacob A. Inkman | 39 | Head | Plasterer | Massachusetts |
| 53 | Edla C. Inkman | 59 | Mother | Laundress | Finland |
| 54 | Frank J. Leo | 59 | Head | W. P. A. | Finland |
| 55 | Mary E. Leo | 56 | Wife | — | Finland |
| 56 | Albinus E. Leo | 28 | Son | Mason Tender | Massachusetts |
| 57 | Ada M. Mattson | 32 | Head | Secretary | Massachusetts |
| 58 | Anna C. Mattson | 25 | Wife | — | Gloucester |
| 59 | Mathilda Mattson | 55 | Mother | — | Finland |
| 60 | Catherine Wood | 76 | Head | — | Scotland |
| 61 | Mabel Wood | 45 | Daughter | Bookkeeping | Vermont |
| 62 | Donald M. Babcock | 21 | Grandson | W. P. A. | Massachusetts |
| 63 | Evert W. Thoreman | 39 | Head | Drop Forger | Sweden |
| 64 | Esther V. Thoreman | 31 | Wife | — | Massachusetts |
| 65 | Evelyn Thoreman | 16 | Daughter | — | Massachusetts |
| 66 | Carl F. Norberg | 49 | Head | Lobsterman | Sweden |
| 67 | Cora V. Norberg | 46 | Wife | — | Sweden |
| 68 | Carl J. Green | 52 | Head | Lobsterman | Sweden |
| 69 | Sigrid A. Green | 52 | Wife | — | Sweden |
| 70 | Harry S. Green THIS PERSON | 30 | Son | Gardener | Massachusetts |
| 71 | Thomas W. Nelson | 33 | Head | Secretary | Massachusetts |
| 72 | Anna W. Nelson | 33 | Wife | — | Massachusetts |
| 73 | Thomas W. Jr. Nelson | 12 | Son | — | Massachusetts |
| 74 | Elizabeth A. Nelson | 8 | Daughter | — | Massachusetts |
| 75 | Mary Nelson | 3 | Daughter | — | Massachusetts |
| 76 | Gerard W. Quinn | 33 | Head | Truck Driver | Massachusetts |
| 77 | Anna G. Quinn | 33 | Wife | — | Massachusetts |
| 78 | G. Faye Quinn | 9 | Daughter | — | Massachusetts |
| 79 | Nancy A. Quinn | 8 | Daughter | — | Massachusetts |
| 80 | Charles H. Quimby | 22 | Head | Fishing | Massachusetts |
Pedigree Summary
Harry
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 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)