JH
James Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Acadia-County, Louisiana
Our Model Tree links this James Harmon across the 1930 and 1940 US Censuses in Acadia-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 10-person household.
Age 20
b. ~1920
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Acadia-County, Louisiana |
| Surname | Harmon |
| Given Name | James Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Rayne town |
| 1935 Residence (County) | Acadia |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Rayne Town |
| Est. Birth Year | ~1920 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mathial Harmon | Daughter | — | 12 | ~1928 |
| Emma Harmon | Daughter | — | 10 | ~1930 |
| Ada Harmon | Spouse | — | 40 | ~1900 |
| James Harmon | Son | — | 20 | ~1920 |
| Laura Harmon | Daughter | — | 13 | ~1927 |
| Mable Harmon | Daughter | — | 17 | ~1923 |
| James Harmon | Head | — | 41 | ~1899 |
| Lula Harmon | Daughter | — | 8 | ~1932 |
| Louis Harmon | Daughter | — | 16 | ~1924 |
| Marion Harmon | Son | — | 18 | ~1922 |
Census Appearances
1930
Acadia, Louisiana
Son, age 9
Acadia, Louisiana · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Acadia-County, Louisiana
Son, age 20
Acadia-County, Louisiana · implied b. ~1920 — 10 household members
| Surname | Harmon |
| Given Name | James Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Rayne town |
| 1935 Residence (County) | Acadia |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 20 · b. ~1920 · Louisiana
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Sibling
Lula Harmon
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Harmon
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Harmon
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Harmon
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Harmon
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Harmon
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mathial Harmon
Sibling · 1940 · age 12
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 — Acadia-County, Louisiana
Open full size
1940 US Federal Census — Acadia-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01377-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luciana Bouligny | 60 | Wife | — | Louisiana |
| 2 | Louis Jr. Bouligny | 23 | Son | — | Louisiana |
| 3 | Alex Pitre | 58 | Head | Cook | Louisiana |
| 4 | Richard H. Pitre | 14 | Grandson | — | Louisiana |
| 5 | E. Myron Louchette | 42 | Head | — | Louisiana |
| 6 | Lawrence Bouthier | 16 | Son | — | Louisiana |
| 7 | Maurice Bouthier | 14 | Son | — | Louisiana |
| 8 | — | None | — | — | — |
| 9 | James Harmon | 41 | Head | — | Louisiana |
| 10 | Ada Arush Harmon | 40 | Wife | Labor | Louisiana |
| 11 | James Paul Harmon THIS PERSON | 20 | Son | — | Louisiana |
| 12 | Marion Harmon | 18 | Son | — | Louisiana |
| 13 | Louis Harmon | 16 | Daughter | — | Louisiana |
| 14 | Mable Harmon | 17 | Daughter | Cook | Louisiana |
| 15 | Laura Harmon | 13 | Daughter | — | Louisiana |
| 16 | Mathial Harmon | 12 | Daughter | — | Louisiana |
| 17 | Emma Harmon | 10 | Daughter | — | Louisiana |
| 18 | Lula Mae Harmon | 8 | Daughter | — | Louisiana |
| 19 | Mary Vid. Armstrong | 22 | Head | Nurse | Louisiana |
| 20 | Charles Hobby Alex Armstrong | 16 | Son | — | Louisiana |
| 21 | Joseph Lyon | 46 | Head | Labor | Louisiana |
| 22 | Lilly Lyon | 43 | Wife | — | Louisiana |
| 23 | Emily Lyon | 13 | Daughter | Cooking | Louisiana |
| 24 | Ethel Mae Lyon | 8 | Daughter | — | Louisiana |
| 25 | Nickey John | 43 | Head | Labor | Louisiana |
| 26 | Iris John | 35 | Wife | Cook | Louisiana |
| 27 | Wallace John | 9 | Son | — | Louisiana |
| 28 | Amos John | 7 | Son | — | Louisiana |
| 29 | Wilton John | 4 | Son | — | Louisiana |
| 30 | Wesley John | 3 | Son | — | Louisiana |
| 31 | Arthur Moore John | 1 | Son | — | Louisiana |
| 32 | Arthur Mae John | 1 | Daughter | — | Louisiana |
| 33 | Eva Berger | 45 | Head | Washing | Louisiana |
| 34 | Domenic | 54 | Head | — | Louisiana |
| 35 | Mary Louise | 15 | Daughter | — | Louisiana |
| 36 | Milton | 12 | Son | — | Louisiana |
| 37 | Luke Monah | 35 | Head | — | Louisiana |
| 38 | Victoria Monah | 20 | Wife | Labor | Louisiana |
| 39 | Ken Monah | 1 | Son | — | Louisiana |
| 40 | Wallace Manuel | 26 | Head | Trucking | Louisiana |
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)