MC
Mary Coffey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Augusta-County, Virginia
Our Model Tree links this Mary Coffey across the 1920, 1930 and 1940 US Censuses in Augusta-County, Virginia (XGBoost, ~Confirmed), with identified parents Duane & Harry — first a daughter (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Augusta-County, Virginia |
| Surname | Coffey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (County) | Augusta |
| Additional Details | |
| Highest Grade | G 5 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | South River District |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Harry Coffey | Head | — | 45 | ~1895 |
| Winifred Coffey | Son | — | 22 | ~1918 |
| Minnie Coffey | Spouse | — | 42 | ~1898 |
| Mary Coffey | Daughter | — | 20 | ~1920 |
Census Appearances
1920
Augusta, Virginia
Daughter, age 1
Augusta, Virginia · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coffey |
| Given Name | Mary Rosa |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Augusta, Virginia
Daughter, age 11
Augusta, Virginia · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coffey |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Augusta-County, Virginia
Daughter, age 20
Augusta-County, Virginia · implied b. ~1920 — 4 household members
| Surname | Coffey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (County) | Augusta |
| Highest Grade | G 5 |
| 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 Coffey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Duane Coffey (~0.92 confidence) and father Harry Coffey (~0.92 confidence) and father Massie Coffey (~0.92 confidence) and mother Minnie Coffey (~0.92 confidence) and mother Nettie Coffey (~0.92 confidence) and mother Nettie Coffey (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Duane Coffey
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Harry Coffey
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Massie Coffey
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Minnie Coffey
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Nettie Coffey
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Nettie Coffey
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Coffey
Daughter · 1940 · age 20 · b. ~1920 · Virginia
★ You are viewing this record
Sibling
Winifred Coffey
Sibling · 1940 · age 22
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 — Augusta-County, Virginia
Open full size
1940 US Federal Census — Augusta-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04247-01175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dennis Campbell | 12 | nephew | — | Virginia |
| 2 | Elizabeth Halter | 78 | mother | — | Virginia |
| 3 | Carl Hewitt | 27 | Head | School Bus Driver | Virginia |
| 4 | Virginia Hewitt | 22 | Wife | — | Virginia |
| 5 | Marvin Hewitt | 7 | Son | — | Virginia |
| 6 | Junior Hewitt | 5 | Son | — | Virginia |
| 7 | Earl Hewitt | 1 | Son | — | Virginia |
| 8 | James H. Henderson | 27 | Head | Farmer | Virginia |
| 9 | Nattie Henderson | 18 | Wife | — | Virginia |
| 10 | Hattie Henderson | 22 | Daughter | — | Virginia |
| 11 | Vernie Henderson | 30 | Son | — | Virginia |
| 12 | Harmon Henderson | 24 | Son | — | Virginia |
| 13 | Robert Henderson | 22 | Son | Laborer | Virginia |
| 14 | Hobart Coffey | 37 | Head | Laborer | Virginia |
| 15 | Marie Coffey | 28 | Wife | — | Virginia |
| 16 | Eunice Coffey | 8 | Daughter | — | Virginia |
| 17 | Billy Coffey | 6 | Son | — | Virginia |
| 18 | Nanetta Coffey | 4 | Daughter | — | Virginia |
| 19 | Louise Coffey | 2 | Daughter | — | Virginia |
| 20 | Harry Coffey | 45 | Head | Truck Driver | Virginia |
| 21 | Minnie Coffey | 42 | Wife | — | Virginia |
| 22 | Winifred Coffey | 22 | Son | Truck Driver | Virginia |
| 23 | Mary Coffey THIS PERSON | 20 | Daughter | — | Virginia |
| 24 | Harry Henderson | 34 | Head | — | Virginia |
| 25 | Alda Henderson | 32 | Wife | — | Virginia |
| 26 | Earl Henderson | 9 | Son | — | Virginia |
| 27 | Clayton Henderson | 1 | Son | — | Virginia |
| 28 | Maphis Henderson | 3 | Son | — | Virginia |
| 29 | Otie Henderson | 32 | Head | Road Laborer | Virginia |
| 30 | Hallie Henderson | 30 | Wife | — | Virginia |
| 31 | Josephe Henderson | 12 | Son | — | Virginia |
| 32 | Melvin Henderson | 3 | Son | — | Virginia |
| 33 | Lena Henderson | 59 | Head | — | Virginia |
| 34 | Aaron Henderson | 21 | Son | Spinner | Virginia |
| 35 | Nicholas Henderson | 16 | Son | — | Virginia |
| 36 | David Henderson | 14 | Son | — | Virginia |
| 37 | William Grant | 42 | Head | Laborer | Virginia |
| 38 | Lena Grant | 43 | Wife | — | Virginia |
| 39 | Pelston Grant | 22 | Son | Truck Driver | Virginia |
| 40 | Carlton Grant | 20 | Son | Laborer | Virginia |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 6 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)