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Mary Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Watauga-County, North Carolina
Our Model Tree links this Mary Harmon across the 1930 and 1940 US Censuses in Watauga-County, North Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Watauga-County, North Carolina |
| Surname | Harmon |
| Given Name | Mary Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Laurel Creek |
| 1935 Residence (County) | Watauga |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Township / Ward | Laurel Creek |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Opal Harmon | Daughter | — | 2 | ~1938 |
| Irine Harmon | Daughter | — | 8 | ~1932 |
| Viola Harmon | Daughter | — | 6 | ~1934 |
| Mary Harmon | Daughter | — | 10 | ~1930 |
| Roccar Harmon | Head | — | 30 | ~1910 |
| Chester Harmon | Son | — | ~1940 | |
| Clifford Harmon | Son | — | 4 | ~1936 |
| Cozzie Harmon | Spouse | — | 30 | ~1910 |
Census Appearances
1930
Watauga, North …
Daughter, age
Watauga, North Carolina · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Watauga-County, North …
Daughter, age 10
Watauga-County, North Carolina · implied b. ~1930 — 8 household members
| Surname | Harmon |
| Given Name | Mary Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Laurel Creek |
| 1935 Residence (County) | Watauga |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Mary Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harmon
Daughter · 1940 · age 10 · b. ~1930 · North Carolina
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Sibling
Opal Harmon
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Harmon
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Harmon
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Harmon
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irine Harmon
Sibling · 1940 · age 8
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 — Watauga-County, North Carolina
Open full size
1940 US Federal Census — Watauga-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02985-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Polly Fletcher | 53 | Wife | — | North Carolina |
| 2 | Corby B. Fletcher | 55 | Head | Operator | North Carolina |
| 3 | Mary Ann Fletcher | 65 | Wife | — | North Carolina |
| 4 | Clark Trivett | 44 | Head | Operator | North Carolina |
| 5 | Grace Trivett | 33 | Wife | — | North Carolina |
| 6 | Fred Trivett | 12 | Son | — | North Carolina |
| 7 | Vada Trivett | 10 | Daughter | — | North Carolina |
| 8 | Ira Trivett | 8 | Son | — | North Carolina |
| 9 | Roy Trivett | 6 | Son | — | North Carolina |
| 10 | Georgia Trivett | 4 | Daughter | — | North Carolina |
| 11 | Gordon Hagaman | 36 | Head | Operator | North Carolina |
| 12 | Ina Hagaman | 35 | Wife | — | North Carolina |
| 13 | Loyd Hagaman | 12 | Son | — | North Carolina |
| 14 | Donald Hagaman | 9 | Son | — | North Carolina |
| 15 | Victor Lee Tester | 29 | Head | Laborer | North Carolina |
| 16 | Pearl Tester | 29 | Wife | — | North Carolina |
| 17 | Violet Lee Tester | 9 | Daughter | — | North Carolina |
| 18 | Mildred Tester | 3 | Daughter | — | North Carolina |
| 19 | James Fletcher | 25 | Head | Laborer | North Carolina |
| 20 | Lucille Fletcher | 19 | Wife | — | North Carolina |
| 21 | Jimmy Fletcher | 1 | Son | — | North Carolina |
| 22 | A. G. Johnson | 37 | Head | Operator | North Carolina |
| 23 | Lexie Johnson | 36 | Wife | — | North Carolina |
| 24 | Bennie Johnson | 18 | Son | Laborer | North Carolina |
| 25 | Mae Johnson | 12 | Daughter | — | North Carolina |
| 26 | Zola Johnson | 10 | Daughter | — | North Carolina |
| 27 | Murral Johnson | 8 | Daughter | — | North Carolina |
| 28 | Shirley Johnson | 6 | Daughter | — | North Carolina |
| 29 | Peggy Johnson | 4 | Daughter | — | North Carolina |
| 30 | A. G. Johnson | 2 | Son | — | North Carolina |
| 31 | Lane Johnson | 0 | Son | — | North Carolina |
| 32 | Roccar C. Harmon | 30 | Head | Operator | North Carolina |
| 33 | Cozzie Harmon | 30 | Wife | — | North Carolina |
| 34 | Mary Katherine Harmon THIS PERSON | 10 | Daughter | — | North Carolina |
| 35 | Irine Harmon | 8 | Daughter | — | North Carolina |
| 36 | Viola Harmon | 6 | Daughter | — | North Carolina |
| 37 | Clifford Harmon | 4 | Son | — | North Carolina |
| 38 | Opal Harmon | 2 | Daughter | — | North Carolina |
| 39 | Chester Harmon | 0 | Son | — | North Carolina |
| 40 | Ben Tester | 35 | Head | Operator | North Carolina |
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)