JH
James Harmon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tompkins-County, New York
Our Model Tree links this James Harmon across the 1920, 1930 and 1940 US Censuses in Tompkins-County, New York (XGBoost, ~Confirmed), with identified parents Edwin & Edwin — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tompkins-County, New York |
| Surname | Harmon |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Groton Village |
| 1935 Residence (County) | Tompkins |
| Additional Details | |
| Occupation | Assembler |
| Industry | Typewriter Factory |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1250 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Assembler |
| Township / Ward | Groton Village |
| Est. Birth Year | ~1908 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Marguerite Harmon | Daughter | — | 29 | ~1911 |
| Paul Harmon | Son | — | 14 | ~1926 |
| James Harmon | Son | — | 32 | ~1908 |
| Harrison Harmon | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Tompkins, New …
Son, age 11
Tompkins, New York · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Tompkins, New …
Son, age 22
Tompkins, New York · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | James E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Tompkins-County, New …
Son, age 32
Tompkins-County, New York · implied b. ~1908 — 4 household members
| Surname | Harmon |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Groton Village |
| 1935 Residence (County) | Tompkins |
| Occupation | Assembler |
| Industry | Typewriter Factory |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1250 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 James Harmon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edwin Harmon (~0.92 confidence) and father Edwin Harmon (~0.92 confidence) and mother Harrison Harmon (~0.92 confidence) and mother Myra Harmon (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edwin Harmon
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Edwin Harmon
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Harrison Harmon
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Myra Harmon
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Harmon
Son · 1940 · age 32 · b. ~1908 · New York
★ You are viewing this record
Sibling
Paul Harmon
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Harmon
Sibling · 1940 · age 29
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 — Tompkins-County, New York
Open full size
1940 US Federal Census — Tompkins-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02792-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harrison, Myra D. Harmon | 55 | Wife | — | New York |
| 42 | James E. Harmon THIS PERSON | 32 | Son | Assembler | New York |
| 43 | Marguerite E. Harmon | 29 | Daughter | Inspector | New York |
| 44 | Paul E. Harmon | 14 | Son | — | New York |
| 45 | Arthur M. Moreland | 26 | Head | Drill Press Operator | New York |
| 46 | Helena E. Moreland | 33 | Wife | — | New York |
| 47 | Edwin N. Moreland | 10 | Son | — | New York |
| 48 | Maud M. Van Den Benten | 46 | Head | Laundress | New York |
| 49 | Le Roy N. Van Den Benten | 24 | Son | Tool Inspector | New York |
| 50 | John E. Hastings | 55 | Head | Metal Polisher | New York |
| 51 | Catherine B. Hastings | 55 | Wife | — | New York |
| 52 | Roger P. Hastings | 15 | Son | — | New York |
| 53 | Eliza W. Scott | 52 | Head | — | New York |
| 54 | Elizabeth G. Wayman | 23 | Daughter | New Worker | New York |
| 55 | John B. Lyman | 44 | Head | Production Clerk | New York |
| 56 | Lena S. Lyman | 43 | Wife | Employment Clerk | New York |
| 57 | C. Edward Ricard | 51 | Head | Aligner | New York |
| 58 | Ida E. Ricard | 53 | Wife | — | New York |
| 59 | Kenneth E. Marsh | 52 | Head | Parts Designer | New York |
| 60 | Florence F. Marsh | 35 | Wife | — | Connecticut |
| 61 | Walter A. Halladay | 52 | Head | Laborer | New York |
| 62 | Della L. Halladay | 47 | Wife | — | New York |
| 63 | Nelson N. Bedell | 75 | Head | — | New York |
| 64 | Winifred L. Bedell | 71 | Wife | — | Pennsylvania |
| 65 | Cecelia E. Connors | 41 | Head | Case Assembly | New York |
| 66 | Josephine E. Connors | 41 | Sister | Parts Inspector | New York |
| 67 | John J. Connors | 36 | Brother | Laborer | New York |
| 68 | Willard B. Slocum | 29 | Head | Assembler | New York |
| 69 | Winifred E. Slocum | 27 | Wife | — | New York |
| 70 | Betty W. Slocum | 6 | Daughter | — | New York |
| 71 | Donald W. Slocum | 2 | Son | — | New York |
| 72 | Walter Searles | 64 | Head | — | New York |
| 73 | Nellie M. Searles | 56 | Wife | Sales Woman | England |
| 74 | George L. Rice | 56 | Head | Roll Thread Screw Machine Operator | New York |
| 75 | Mable G. Rice | 45 | Wife | Power Presser | New York |
| 76 | Le Roy Rice | 18 | Son | — | New York |
| 77 | Evelyn Head | 28 | Lodger | Power Presser | New York |
| 78 | Edward J. Jones | 60 | Head | Automatic Screw Machine Operator | Irish Free State |
| 79 | Kathryn J. Jones | 58 | Wife | — | Irish Free State |
| 80 | William J. Holland | 15 | Ward | — | New York |
Pedigree Summary
James + 2 siblings
Gen 1 · 4 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)