MC
Mary Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Giles-County, Virginia
Our Model Tree links this Mary Caldwell across the 1930 and 1940 US Censuses in Giles-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Giles-County, Virginia |
| Surname | Caldwell |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Giles |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Newport 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Phillis Caldwell | Daughter | — | 4 | ~1936 |
| Joan Caldwell | Daughter | — | 1 | ~1939 |
| Edith Caldwell | Daughter | — | 13 | ~1927 |
| Elvis Caldwell | Daughter | — | 3 | ~1937 |
| Mary Caldwell | Daughter | — | 10 | ~1930 |
| William Caldwell | Head | — | 36 | ~1904 |
| Ray Long | Other | — | 31 | ~1909 |
| Charles Caldwell | Son | — | 12 | ~1928 |
| Stanley Caldwell | Son | — | 5 | ~1935 |
| Eliza Caldwell | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Giles, Virginia
Daughter, age 1
Giles, Virginia · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Mary S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Giles-County, Virginia
Daughter, age 10
Giles-County, Virginia · implied b. ~1930 — 10 household members
| Surname | Caldwell |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Giles |
| Highest Grade | No 1 |
| 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 Caldwell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Caldwell
Daughter · 1940 · age 10 · b. ~1930 · Virginia
★ You are viewing this record
Sibling
Joan Caldwell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elvis Caldwell
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillis Caldwell
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Caldwell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Caldwell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Caldwell
Sibling · 1940 · age 5
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-t0627-04264-00401)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nat M. Hutchison | 61 | Head | Farmer | Virginia |
| 42 | Annie D. Hutchison | 50 | Wife | — | Virginia |
| 43 | Gordon Ross Hutchison | 16 | Lodger | — | Virginia |
| 44 | Crockett H. Sarver | 55 | Head | Farm Laborer | Virginia |
| 45 | Grant George W. Sarver | 63 | Brother | Farmer | Virginia |
| 46 | Marie L. Sarver | 60 | Sister | — | Virginia |
| 47 | Bleveins, Beulah Sarver | 23 | Lodger | — | West Va |
| 48 | Ray B. Tabor | 27 | Head | Farm Laborer | Virginia |
| 49 | Elva N. Tabor | 20 | Wife | — | Virginia |
| 50 | Elva V. Tabor | 3 | Daughter | — | Virginia |
| 51 | Stella J. Tabor | 1 | Daughter | — | Virginia |
| 52 | Mattie Neff | 58 | Mother in law | — | Virginia |
| 53 | Clyde L. Carter | 26 | Head | Farmer | Virginia |
| 54 | Hallie P. Carter | 31 | Wife | — | Virginia |
| 55 | John W. Martin | 64 | Head | Farmer | Virginia |
| 56 | Lillie L. Martin | 56 | Wife | — | Virginia |
| 57 | Watson Martin | 27 | Son | Laborer | Virginia |
| 58 | Carl F. Martin | 18 | Son | Laborer | Virginia |
| 59 | Virgie Sliger | 23 | Daughter | — | Virginia |
| 60 | Lillie F. Martin | 15 | Daughter | — | Virginia |
| 61 | William T. Caldwell | 36 | Head | Laborer | Virginia |
| 62 | Eliza M. Caldwell | 33 | Wife | — | Virginia |
| 63 | Edith O. Caldwell | 13 | Daughter | — | Virginia |
| 64 | Charles E. Caldwell | 12 | Son | — | Virginia |
| 65 | Mary F. Caldwell THIS PERSON | 10 | Daughter | — | Virginia |
| 66 | Stanley E. Caldwell | 5 | Son | — | Virginia |
| 67 | Phillis R. Caldwell | 4 | Daughter | — | Virginia |
| 68 | Elvis V. Caldwell | 3 | Daughter | — | Virginia |
| 69 | Joan Caldwell | 1 | Daughter | — | Virginia |
| 70 | Ray C. Long | 31 | Lodger | Farm Laborer | Virginia |
| 71 | Luther F. Martin | 43 | Head | Farmer | Virginia |
| 72 | Maggie S. Martin | 42 | Wife | — | Virginia |
| 73 | William J. Martin | 20 | Son | Farm Laborer | Virginia |
| 74 | Sam R. Martin | 19 | Son | Farm Laborer | Virginia |
| 75 | Mario L. Martin | 18 | Son | Laborer | Virginia |
| 76 | Ella D. Martin | 16 | Daughter | — | Virginia |
| 77 | Albert Martin | 13 | Son | — | Virginia |
| 78 | Ruben S. Martin | 8 | Daughter | — | Virginia |
| 79 | Mary C. Martin | 6 | Daughter | — | Virginia |
| 80 | J. Hal Martin | 58 | Head | Farmer | 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)