JH
John Hopkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this John Hopkins across the 1920, 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Hopkins |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Norwood |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Norwood |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Hopkins | Head | — | 65 | ~1875 |
| Margaret Hopkins | Other | — | 24 | ~1916 |
| John Hopkins | Son | — | 21 | ~1919 |
| Matthew Hopkins | Son | — | 25 | ~1915 |
| Thomas Hopkins | Son | — | 22 | ~1918 |
| Delia Hopkins | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Norfolk, Massachusetts
Son, age
Norfolk, Massachusetts · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Norfolk, Massachusetts
Son, age 11
Norfolk, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Son, age 21
Norfolk-County, Massachusetts · implied b. ~1919 — 6 household members
| Surname | Hopkins |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Norwood |
| 1935 Residence (County) | Norfolk |
| Highest Grade | Hs 2 |
| 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 John Hopkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Hopkins (~0.92 confidence) and father Thomas Hopkins (~0.92 confidence) and mother Delia Hopkins (~0.92 confidence) and father Thomas Hopkins (~0.92 confidence) and mother Delia Hopkins (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Hopkins
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Thomas Hopkins
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Delia Hopkins
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Thomas Hopkins
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Delia Hopkins
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hopkins
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Thomas Hopkins
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Hopkins
Sibling · 1940 · age 25
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01629-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles A Novick | 30 | Head | Winder | Massachusetts |
| 2 | Helen A Novick | 31 | Wife | — | Massachusetts |
| 3 | Eleanor A Novick | 9 | Daughter | — | Massachusetts |
| 4 | Charles A Novick | 8 | Son | — | Massachusetts |
| 5 | Francis P Novick | 6 | Son | — | Massachusetts |
| 6 | Michael Kelley | 42 | Head | Laborer | Syria |
| 7 | Mary Kelley | 42 | Wife | — | Syria |
| 8 | Harry Kelley | 21 | Son | — | Massachusetts |
| 9 | William Kelley | 20 | Son | Short Order Cook | Massachusetts |
| 10 | Margaret Kelley | 14 | Daughter | — | Massachusetts |
| 11 | Nathan Chyzman | 39 | Head | Shoe Repairer | Lithuania |
| 12 | Naome Chyzman | 34 | Wife | — | Russia |
| 13 | Martin Chyzman | 9 | Son | — | Massachusetts |
| 14 | Shirley Chyzman | 5 | Daughter | — | Massachusetts |
| 15 | Barbara Chyzman | 2 | Daughter | — | Massachusetts |
| 16 | Thomas Hopkins | 65 | Head | Shipper | Ireland |
| 17 | Delia Hopkins | 62 | Wife | Chemist | Ireland |
| 18 | Matthew Hopkins | 25 | Son | Chauffeur | Massachusetts |
| 19 | Thomas Hopkins | 22 | Son | Shipper | Massachusetts |
| 20 | John Hopkins THIS PERSON | 21 | Son | — | Massachusetts |
| 21 | Margaret Hopkins | 24 | Daughter-in-law | — | Massachusetts |
| 22 | Joseph Sinkevitch | 54 | Head | Oiler | Russia |
| 23 | Sophie Sinkevitch | 43 | Wife | — | Austria |
| 24 | Sophie Sinkevitch | 33 | Daughter | Box Folder | Massachusetts |
| 25 | Mary Sinkevitch | 22 | Daughter | Maid | Massachusetts |
| 26 | Joseph Sinkevitch | 18 | Son | — | Massachusetts |
| 27 | Francis Sinkevitch | 4 | Son | — | Massachusetts |
| 28 | Edil Cushing | 58 | Head | Proprietor | Russia |
| 29 | Bessie Cushing | 54 | Wife | — | Russia |
| 30 | Bertha Cushing | 26 | Daughter | Salesgirl | Russia |
| 31 | Anthony Paduck | 52 | Head | Laborer | Poland |
| 32 | Annie Paduck | 47 | Wife | — | Poland |
| 33 | Edward Paduck | 25 | Son | Laborer | Massachusetts |
| 34 | Michael Minkavitch | 58 | Head | Laborer | Lithuania |
| 35 | Caroline Minkavitch | 43 | Wife | — | Lithuania |
| 36 | Frederick Minkavitch | 24 | Son | Wool Puller | Massachusetts |
| 37 | Michael Minkavitch | 22 | Son | Wool Puller | Massachusetts |
| 38 | Gertrude Minkavitch | 20 | Daughter | — | Massachusetts |
| 39 | John Minkavitch | 18 | Son | — | Massachusetts |
| 40 | Jennie Minkavitch | 10 | Daughter | — | Massachusetts |
Pedigree Summary
John + 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)