MC
Mary Conley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Giles-County, Virginia
Our Model Tree links this Mary Conley across the 1930 and 1940 US Censuses in Giles-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Giles-County, Virginia |
| Surname | Conley |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Pearisburg District |
| 1935 Residence (County) | Giles |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Pearisburg District |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Albert Conley | Son | — | 18 | ~1922 |
| Mary Conley | Spouse | — | 41 | ~1899 |
| May Conley | Daughter | — | ~1940 | |
| Minnie Conley | Daughter | — | 9 | ~1931 |
| Robert Conley | Son | — | 3 | ~1937 |
| Ike Conley | Head | — | 47 | ~1893 |
| Liza Conley | Daughter | — | 7 | ~1933 |
| William Conley | Son | — | 5 | ~1935 |
| Mary Conley | Daughter | — | 11 | ~1929 |
| Virginia Conley | Daughter | — | 14 | ~1926 |
| George Conley | Son | — | 16 | ~1924 |
Census Appearances
1930
Giles, Virginia
Daughter, age 1
Giles, Virginia · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conley |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| 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
Giles-County, Virginia
Daughter, age 11
Giles-County, Virginia · implied b. ~1929 — 11 household members
| Surname | Conley |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Pearisburg District |
| 1935 Residence (County) | Giles |
| Highest Grade | No 2 |
| 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 Conley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conley
Daughter · 1940 · age 11 · b. ~1929 · Virginia
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Sibling
May Conley
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Conley
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Conley
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Conley
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Liza Conley
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Conley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Conley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Conley
Sibling · 1940 · age 3
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 — Giles-County, Virginia
Open full size
1940 US Federal Census — Giles-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04264-00633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles R. Rock | 40 | Head | Laborer | Virginia |
| 42 | Leona Rock | 21 | Wife | — | Virginia |
| 43 | Kathleen B. Rock | 3 | Daughter | — | Virginia |
| 44 | Anne J. Rock | 0 | Daughter | — | Virginia |
| 45 | William M. Tabor | 37 | Head | Farmer | Virginia |
| 46 | Emma J. Tabor | 39 | Wife | — | Virginia |
| 47 | George Tabor | 24 | Son | New Worker | Virginia |
| 48 | Catherine Tabor | 18 | Daughter | — | Virginia |
| 49 | James F. Tabor | 17 | Son | Laborer | Virginia |
| 50 | Alfred H. Tabor | 10 | Son | — | Virginia |
| 51 | Chester J. Tabor | 5 | Son | — | Virginia |
| 52 | Lawrence C. Tabor | 2 | Son | — | Virginia |
| 53 | Ike E. Conley | 47 | Head | New Worker | Virginia |
| 54 | Mary M. Conley | 41 | Wife | — | Virginia |
| 55 | Albert S. Conley | 18 | Son | New Worker | Virginia |
| 56 | George H. Conley | 16 | Son | New Worker | Virginia |
| 57 | Virginia E. Conley | 14 | Daughter | — | Virginia |
| 58 | Mary L. Conley THIS PERSON | 11 | Daughter | — | Virginia |
| 59 | Minnie C. Conley | 9 | Daughter | — | Virginia |
| 60 | Liza J. Conley | 7 | Daughter | — | Virginia |
| 61 | William J. Conley | 5 | Son | — | Virginia |
| 62 | Robert F. Conley | 3 | Son | — | Virginia |
| 63 | May F. Conley | 0 | Daughter | — | Virginia |
| 64 | Clyde Tabor | 29 | Head | Laborer | Virginia |
| 65 | Laura K. Tabor | 22 | Wife | — | Virginia |
| 66 | Phyllis A. Tabor | 1 | Daughter | — | Virginia |
| 67 | Paul C. Thornhill | 36 | Head | Laborer | Virginia |
| 68 | Gertrude B. Thornhill | 28 | Wife | — | Virginia |
| 69 | Francis B. Thornhill | 11 | Daughter | — | Virginia |
| 70 | Gladys H. Thornhill | 8 | Daughter | — | Virginia |
| 71 | Paul E. Thornhill | 6 | Son | — | Virginia |
| 72 | Litha J. Thornhill | 1 | Daughter | — | Virginia |
| 73 | Basil P. Stafford | 47 | Head | Farmer | Virginia |
| 74 | Nannie R. Stafford | 46 | Wife | — | Virginia |
| 75 | Graham P. Stafford | 45 | Son | Farmer | Virginia |
| 76 | Elizabeth V. Stafford | 38 | Daughter-in-law | — | Virginia |
| 77 | Philip S. Stafford | 4 | Grandson | — | Virginia |
| 78 | Nancy J. Stafford | 2 | Granddaughter | — | Virginia |
| 79 | Virginia S. Burton | 70 | Head | Housekeeper | Virginia |
| 80 | Jean P. Burton | 25 | Daughter | — | Virginia |
Related Census Records
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)