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Harold Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Harold Anderson across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Gustave & Gustaf — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Anderson |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Brockton City |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Gustave Anderson | Head | — | 66 | ~1874 |
| Wallace Anderson | Son | — | 38 | ~1902 |
| Carl Anderson | Son | — | 28 | ~1912 |
| Harold Anderson | Son | — | 23 | ~1917 |
| Hilda Anderson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Plymouth, Massachusetts
Son, age 3
Plymouth, Massachusetts · implied b. ~1917 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Son, age 13
Plymouth, Massachusetts · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Son, age 23
Plymouth-County, Massachusetts · implied b. ~1917 — 5 household members
| Surname | Anderson |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brockton City |
| 1935 Residence (County) | Plymouth |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| 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 Harold Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gustave Anderson (~0.92 confidence) and father Gustaf Anderson (~0.92 confidence) and father Gustav Anderson (~0.92 confidence) and mother Hulda Anderson (~0.92 confidence) and mother Hilda Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gustave Anderson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Gustaf Anderson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Gustav Anderson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Hulda Anderson
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Hilda Anderson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Anderson
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Carl Anderson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Anderson
Sibling · 1940 · age 38
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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01636-00118)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Callahan | 23 | Head | Baker | Massachusetts |
| 2 | Hulda O. Callahan | 25 | Wife | Clerk | Massachusetts |
| 3 | Eric Yordeen | 34 | Head | Fireman | Massachusetts |
| 4 | Ethel S. Yordeen | 27 | Wife | — | Massachusetts |
| 5 | Selma Nelson | 66 | Head | — | Sweden |
| 6 | James O. Macmann | 34 | Boarder | Laborer Drainage | Scotland |
| 7 | Ebba L. S. Macmann | 37 | Wife | — | Massachusetts |
| 8 | Charles M. Turner | 64 | Head | Laster | Massachusetts |
| 9 | Olive C. Turner | 62 | Wife | — | Massachusetts |
| 10 | Irene J. Turner | 33 | Daughter | Telephone Operator | Massachusetts |
| 11 | James Cruise | 28 | Head | Salesman | Massachusetts |
| 12 | Gertrude O. Cruise | 29 | Wife | — | Massachusetts |
| 13 | Priscilla Cruise | 5 | Daughter | — | Massachusetts |
| 14 | Maureen Cruise | 4 | Daughter | — | Massachusetts |
| 15 | Margaret A. Cruise | 4 | Daughter | — | Massachusetts |
| 16 | Kieran O. Flaherty | 24 | Head | Salesman | Massachusetts |
| 17 | Mildred Flaherty | 23 | Wife | Office Clerk | Massachusetts |
| 18 | Jennie C. Jensen | 55 | Head | Stitcher | Massachusetts |
| 19 | Gustave E. Jensen | 53 | Brother | — | Massachusetts |
| 20 | Gustave H. Anderson | 66 | Head | Owner | Sweden |
| 21 | Hilda E. Anderson | 64 | Wife | — | Sweden |
| 22 | Wallace C. O. Anderson | 38 | Son | Buyer | Massachusetts |
| 23 | Carl E. Anderson | 28 | Son | Salesman | Massachusetts |
| 24 | Harold E. Anderson THIS PERSON | 23 | Son | Clerk | Massachusetts |
| 25 | Agusta O. Nelson | 65 | Head | — | Sweden |
| 26 | Harold E. Smith | 45 | Head | Trucking | Massachusetts |
| 27 | Hildur L. O. Smith | 40 | Wife | — | Vermont |
| 28 | Harold E. Jr. Smith | 16 | Son | — | Massachusetts |
| 29 | Robert C. O'Brien | 44 | Head | Salesman | New York |
| 30 | Hazel O. O'Brien | 45 | Wife | — | Massachusetts |
| 31 | Betty O'Brien | 16 | Daughter | — | Massachusetts |
| 32 | Dolores O'Brien | 9 | Daughter | — | Massachusetts |
| 33 | George Lind | 51 | Head | Mechanic | Massachusetts |
| 34 | Hazel O. Lind | 47 | Wife | — | Massachusetts |
| 35 | Grace Lind | 17 | Daughter | — | Massachusetts |
| 36 | Ruth Lind | 14 | Daughter | — | Massachusetts |
| 37 | Harry M. Thomas | 58 | Head | Shoe Cutter | Massachusetts |
| 38 | Nora T. Thomas | 60 | Wife | — | Massachusetts |
| 39 | Hulda O. Nelson | 49 | Head | — | Sweden |
| 40 | Jeannette R. M. Nelson | 13 | Daughter | — | Massachusetts |
Related Census Records
Pedigree Summary
Harold + 2 siblings
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)