JH
John Hess — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Hess across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Hess & Charles — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hess |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Melrose |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Automobiles |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Office Clerk |
| Township / Ward | Melrose |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Priscilla Hess | Daughter | — | 19 | ~1921 |
| Charles Hess | Head | — | 34 | ~1906 |
| John Hess | Son | — | 22 | ~1918 |
| Catherine Hess | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hess |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hess |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 4 household members
| Surname | Hess |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Melrose |
| 1935 Residence (County) | Middlesex |
| Occupation | Office Clerk |
| Industry | Automobiles |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 266 |
| Highest Grade | Hs 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 Hess across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hess 100 (~0.92 confidence) and father Charles Hess (~0.92 confidence) and mother Katherine Hess (~0.92 confidence) and mother Catherine Hess (~0.92 confidence) and father Charles Hess (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Hess 100
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Charles Hess
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Katherine Hess
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Catherine Hess
b. ~1898
Source mother
● Household
· direct · ~0.92
Father
Charles Hess
b. ~1906
Source father
● Household
· direct · ~0.6
This person
Anchor record
John Hess
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Priscilla Hess
Sibling · 1940 · age 19
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01613-00335)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margery C. White | 47 | Wife | — | Massachusetts |
| 42 | Laurence C. White | 20 | Son | — | Massachusetts |
| 43 | Edith F. White | 13 | Daughter | — | Massachusetts |
| 44 | Clarence W. Biber | 46 | Head | Division Superintendent | New Jersey |
| 45 | Marion V. Biber | 33 | Wife | — | Pennsylvania |
| 46 | M. Louise Biber | 19 | Daughter | Office Clerk | New Jersey |
| 47 | Clarence W. Jr. Biber | 17 | Son | — | Pennsylvania |
| 48 | John L. Biber | 15 | Son | — | Rhode Island |
| 49 | Edwin M. Biber | 11 | Son | — | Massachusetts |
| 50 | Arthur B. Marsh | 34 | Head | Patent Lawyer | Massachusetts |
| 51 | Mabel C. Marsh | 30 | Wife | — | Washington D.C. |
| 52 | Harold B. Marsh | 8 | Son | — | Canada-English |
| 53 | Barbara A. Marsh | 5 | Daughter | — | Massachusetts |
| 54 | Theora H. Everett | 20 | Maid | Maid | Maine |
| 55 | Joseph F. Ferguson | 41 | Head | Office Clerical | Montana |
| 56 | Rosamond M. Ferguson | 43 | Wife | — | Massachusetts |
| 57 | Dana M. Ferguson | 10 | Son | — | Massachusetts |
| 58 | Charles B. Hess | 34 | Head | Traveling Salesman | New York |
| 59 | Catherine P. Hess | 42 | Wife | Dancing Teacher | New York |
| 60 | John W. Hess THIS PERSON | 22 | Son | Office Clerk | Massachusetts |
| 61 | Priscilla Hess | 19 | Daughter | — | Massachusetts |
| 62 | Charles E. Kelley | 42 | Head | District Manager | Massachusetts |
| 63 | Nora M. Kelley | 47 | Wife | — | Massachusetts |
| 64 | John F. Kelley | 15 | Son | — | Massachusetts |
| 65 | Eleanor M. Kelley | 11 | Daughter | — | Massachusetts |
| 66 | James L. Kelley | 6 | Son | — | Massachusetts |
| 67 | Rose Collins | 32 | Maid | Maid | Massachusetts |
| 68 | Grace E. Torrey | 28 | Head | — | Massachusetts |
| 69 | Marion E. Torrey | 6 | Daughter | — | Massachusetts |
| 70 | Delia Barry | 35 | Maid | Maid | Prince Edward Island |
| 71 | Frank A. Munroe | 58 | Head | Proprietor Owner | Maine |
| 72 | Mae G. Munroe | 50 | Wife | — | Massachusetts |
| 73 | Helen E. Munroe | 30 | Daughter | History Teacher | Massachusetts |
| 74 | Ruth Munroe | 27 | Daughter | Bookkeeper | Massachusetts |
| 75 | Richard A. Munroe | 22 | Son | Secretary | Massachusetts |
| 76 | Robert E. Ab Munroe | 13 | Son | — | Massachusetts |
| 77 | Florence M. Brazier | 66 | Head | — | Massachusetts |
| 78 | (Error In Reserving) | None | — | — | — |
| 79 | Mary J. Lockwood | 83 | Head | — | Canada-English |
| 80 | Catherine B. Stanley | 58 | Head | — | Massachusetts |
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.86
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)