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Mary Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Accomack-County, Virginia
Our Model Tree links this Mary Harmon across the 1930 and 1940 US Censuses in Accomack-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Accomack-County, Virginia |
| Surname | Harmon |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Accomack |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Atlantic District |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Harmon | Daughter | — | 10 | ~1930 |
| Jeanette Harmon | Daughter | — | 16 | ~1924 |
| Virginia Harmon | Daughter | — | 14 | ~1926 |
| Hezek Harmon | Head | — | 45 | ~1895 |
| Leon Harmon | Son | — | 13 | ~1927 |
| Walter Harmon | Son | — | 9 | ~1931 |
| Elizabeth Harmon | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Accomack, Virginia
Daughter, age 1
Accomack, Virginia · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Accomack-County, Virginia
Daughter, age 10
Accomack-County, Virginia · implied b. ~1930 — 7 household members
| Surname | Harmon |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Accomack |
| Highest Grade | No 0 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 · Virginia
★ You are viewing this record
Sibling
Walter Harmon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Harmon
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Harmon
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Harmon
Sibling · 1940 · age 16
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 — Accomack-County, Virginia
Open full size
1940 US Federal Census — Accomack-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04241-00171)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Savage | 19 | Cousin | Farm Laborer | Virginia |
| 2 | Calvin L. Bundick | 65 | Head | Farmer | Virginia |
| 3 | Sadie E. Bundick | 61 | Wife | — | Virginia |
| 4 | Charles H. Bundick | 29 | Head | Farmer | Virginia |
| 5 | Marie J. Bundick | 30 | Wife | — | Virginia |
| 6 | Patsy A. Bundick | 8 | Daughter | — | Virginia |
| 7 | Shirley A. Bundick | 3 | Daughter | — | Virginia |
| 8 | Annie Mears | 49 | Mother-in-law | — | Virginia |
| 9 | James Lewis | 47 | Head | Farmer | Virginia |
| 10 | Susie M. Lewis | 47 | Wife | Farm Laborer | Virginia |
| 11 | William H. Lewis | 16 | Son | Farm Laborer | Virginia |
| 12 | James Jr. Lewis | 14 | Son | Farm Laborer | Virginia |
| 13 | Hezek Harmon | 45 | Head | Farm Laborer | Virginia |
| 14 | Elizabeth Harmon | 35 | Wife | Farm Laborer | Virginia |
| 15 | Jeanette Harmon | 16 | Daughter | Farm Laborer | Virginia |
| 16 | Virginia Harmon | 14 | Daughter | Farm Laborer | Virginia |
| 17 | Leon Harmon | 13 | Son | — | Virginia |
| 18 | Mary L. Harmon THIS PERSON | 10 | Daughter | — | Virginia |
| 19 | Walter H. Harmon | 9 | Son | — | Virginia |
| 20 | Henry Cropper | 48 | Head | Farm Laborer | Virginia |
| 21 | Mamie Cropper | 52 | Wife | Farm Laborer | Virginia |
| 22 | Milton Cropper | 23 | Son | Farm Laborer | Virginia |
| 23 | Theodore Cropper | 21 | Son | Farm Laborer | Virginia |
| 24 | Jessie Cropper | 21 | Son | Farm Laborer | Virginia |
| 25 | Evelyn P. Cropper | 14 | Daughter | Farm Laborer | Virginia |
| 26 | Mable Cropper | 12 | Daughter | — | Virginia |
| 27 | Henry Jr. Cropper | 8 | Son | — | Virginia |
| 28 | Lonnie Drummond | 38 | Head | Farm Laborer | Virginia |
| 29 | Alonza Drummond | 17 | Son | Farm Laborer | Virginia |
| 30 | Jackie Drummond | 16 | Son | Farm Laborer | Virginia |
| 31 | William Drummond | 14 | Son | Farm Laborer | Virginia |
| 32 | James Savage | 22 | Son-in-law | Farm Laborer | Virginia |
| 33 | Helen Savage | 19 | Daughter | — | Virginia |
| 34 | Marvin J. Savage | 1 | Son | — | Virginia |
| 35 | John T. Marshall | 52 | Head | Farmer | Virginia |
| 36 | Olive Marshall | 50 | Wife | — | Virginia |
| 37 | Milton Marshall | 18 | Son | Farm Laborer | Virginia |
| 38 | Katheryn Marshall | 15 | Daughter | — | Virginia |
| 39 | James Dowing | 56 | Head | Farm Laborer | Virginia |
| 40 | Lena Dowing | 41 | Wife | — | Virginia |
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)