JH
James Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this James Harmon across the 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | Harmon |
| Given Name | James E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Flint |
| 1935 Residence (County) | Genesee |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Burton Township |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Beverly Harmon | Daughter | — | 13 | ~1927 |
| Edwin Harmon | Son | — | 11 | ~1929 |
| Roy Harmon | Head | — | 34 | ~1906 |
| Patricia Harmon | Daughter | — | 7 | ~1933 |
| Phyllis Harmon | Daughter | — | 6 | ~1934 |
| James Harmon | Son | — | 10 | ~1930 |
| Donald Harmon | Son | — | 14 | ~1926 |
| Margaret Harmon | Spouse | — | 35 | ~1905 |
| Shirley Harmon | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Genesee, Michigan
Son, age
Genesee, Michigan · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Son, age 10
Genesee-County, Michigan · implied b. ~1930 — 9 household members
| Surname | Harmon |
| Given Name | James E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Flint |
| 1935 Residence (County) | Genesee |
| Highest Grade | No 3 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Harmon
Son · 1940 · age 10 · b. ~1930 · Michigan
★ You are viewing this record
Sibling
Phyllis Harmon
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Harmon
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Harmon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Harmon
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Harmon
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Harmon
Sibling · 1940 · age 14
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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01749-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret A. Smith | 29 | wife | — | Michigan |
| 2 | Charles H. Smith | 11 | son | — | Michigan |
| 3 | Anita A. Smith | 9 | daughter | — | Michigan |
| 4 | Donald L. Smith | 7 | son | — | Michigan |
| 5 | Carol E. Smith | 5 | daughter | — | Michigan |
| 6 | Janice A. Smith | 0 | daughter | — | Michigan |
| 7 | Emery A. Taylor | 28 | head | Machine Operator | Michigan |
| 8 | Mary R. Taylor | 19 | wife | — | Wisconsin |
| 9 | Rudy E. Hopper | 36 | head | Drill Presser | Arkansas |
| 10 | Maud C. Hopper | 31 | wife | — | Arkansas |
| 11 | Charlene N. Hopper | 15 | daughter | — | Arkansas |
| 12 | Thelma M. Hopper | 11 | daughter | — | Michigan |
| 13 | Lyle O. Hopper | 8 | son | — | Michigan |
| 14 | Robert D. Hopper | 0 | son | — | Michigan |
| 15 | William B. Atkin | 31 | head | Skilled Laborer | Michigan |
| 16 | Virginia M. Atkin | 22 | wife | — | Michigan |
| 17 | Floyd A. Van Steenburg | 53 | head | Driver | Michigan |
| 18 | Clara R. Van Steenburg | 53 | wife | — | Minnesota |
| 19 | Alice M. Van Steenburg | 20 | daughter | Waitress | Michigan |
| 20 | Glenn O. Van Steenburg | 18 | son | Laborer | Michigan |
| 21 | Robert B. Van Steenburg | 14 | son | — | Michigan |
| 22 | Clair B. Meade | 40 | head | Welder | Michigan |
| 23 | Grace O. Meade | 42 | wife | — | Michigan |
| 24 | Arthur H. Meade | 16 | son | — | Michigan |
| 25 | William Meade | 12 | son | — | Michigan |
| 27 | Roy E. Harmon | 34 | head | Sheet Metal | Iowa |
| 28 | Margaret A. Harmon | 35 | wife | — | Michigan |
| 29 | Donald E. Harmon | 14 | son | — | Michigan |
| 30 | Beverly L. Harmon | 13 | daughter | — | Michigan |
| 31 | Edwin J. Harmon | 11 | son | — | Michigan |
| 32 | James E. Harmon THIS PERSON | 10 | son | — | Michigan |
| 33 | Shirley I. Harmon | 9 | daughter | — | Michigan |
| 34 | Patricia A. Harmon | 7 | daughter | — | Michigan |
| 35 | Phyllis G. Harmon | 6 | daughter | — | Michigan |
| 36 | Ervin N. Holloway | 32 | head | Body Assembly | Michigan |
| 37 | Pearl E. Holloway | 31 | wife | — | Canada-English |
| 38 | Betty J. Holloway | 5 | daughter | — | Michigan |
| 39 | Marjorie M. Holloway | 4 | daughter | — | Michigan |
| 40 | Thomas C. Hartley | 30 | head | Key Checker | England |
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)