JH
John Hancock — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Hancock across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Grace & John — first a son (b.~1912), then head of a 2-person household.
Age 28
b. ~1912
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Hancock |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Accountant |
| Industry | Accountant |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 210 |
| Highest Grade | C-4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Accountant |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1912 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Hancock | Head | — | 53 | ~1887 |
| John Hancock | Son | — | 28 | ~1912 |
Census Appearances
1920
Essex, Massachusetts
Son, age 11
Essex, Massachusetts · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 19
Essex, Massachusetts · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 28
Essex-County, Massachusetts · implied b. ~1912 — 2 household members
| Surname | Hancock |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | Accountant |
| Industry | Accountant |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 210 |
| Highest Grade | C-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 John Hancock across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Grace Hancock (~0.92 confidence) and father John Hancock (~0.92 confidence) and father John Hancock (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Grace Hancock
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
John Hancock
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Hancock
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hancock
Son · 1940 · age 28 · b. ~1912 · 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-t0627-01583-00900)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jessie F. Kimball | 55 | Wife | — | Massachusetts |
| 2 | Ralph A. Kimball | 20 | Son | Shipper | Massachusetts |
| 3 | Dan Jackson | 61 | Head | Section Hand | England |
| 4 | Charlotte Jackson | 54 | Wife | — | England |
| 5 | Alexander G. Sutherland | 77 | Head | Buyer | Scotland |
| 6 | Alice M. Sutherland | 73 | Wife | — | England |
| 7 | Samuel Muirhead | 75 | Head | — | Scotland |
| 8 | Margaret H. Muirhead | 77 | Wife | — | Scotland |
| 9 | Isabella O. Muirhead | 52 | Daughter | Teacher | Scotland |
| 10 | Margaret H. Jones | 49 | Daughter | — | Scotland |
| 11 | William A. Jones | 25 | Grandson | Machinist | England |
| 12 | Margaret H. Jones | 24 | Granddaughter | Secretary | England |
| 13 | Nelson Kirkman | 36 | Head | Salesman | Massachusetts |
| 14 | Margaret Kirkman | 29 | Wife | — | Massachusetts |
| 15 | Samuel Cohen | 40 | Head | Proprietor | Massachusetts |
| 16 | Ruth G. Cohen | 34 | Wife | — | Massachusetts |
| 17 | Gerald Cohen | 13 | Son | — | Massachusetts |
| 18 | Evelyn Cohen | 2 | Daughter | — | Massachusetts |
| 19 | Dorothea Bingham | 17 | Servant | Housekeeper | Massachusetts |
| 20 | Rodolphe Lariviere | 43 | Head | Agent | Massachusetts |
| 21 | Marie A. Lariviere | 49 | Sister | Bookkeeper | Massachusetts |
| 22 | Betty Nevins | 29 | Head | Bookkeeper | Massachusetts |
| 23 | Rose Nevins | 72 | Mother | — | Russia |
| 24 | Sidney Westerman | 29 | Head | Manager | New York |
| 25 | Sylvia Westerman | 25 | Wife | — | Russia |
| 26 | Robert Westerman | 12 | Son | — | New York |
| 27 | Joan Westerman | 8 | Daughter | — | New York |
| 28 | John J. Hancock | 53 | Head | Secretary | New Hampshire |
| 29 | John S. Hancock THIS PERSON | 28 | Son | Accountant | Massachusetts |
| 30 | Pearl B. Playdon | 48 | Head | Bookkeeper | Massachusetts |
| 31 | Pauline G. Playdon | 14 | Daughter | — | Massachusetts |
| 32 | Vera Moore | 30 | Lodger | Waitress | Massachusetts |
| 33 | James Wain | 60 | Head | Fireman | Massachusetts |
| 34 | Francesca M. Wain | 60 | Wife | — | Rhode Island |
| 35 | Alice R. Wain | 20 | Daughter | Typist | New Hampshire |
| 36 | Rudolph Chabot | 55 | Head | Salesman | Massachusetts |
| 37 | Katherine C. Chabot | 55 | Wife | — | France |
| 38 | Vacant Dwelling | None | — | — | — |
| 39 | Vacant Dwelling | None | — | — | — |
| 40 | John Liddell | 74 | Head | Machinist | Scotland |
Pedigree Summary
John
Gen 1 · 3 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)