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Mary Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caswell-County, North Carolina
Our Model Tree links this Mary Long across the 1930 and 1940 US Censuses in Caswell-County, North Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 16-person household.
Age 16
b. ~1924
Female
Daughter
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caswell-County, North Carolina |
| Surname | Long |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Dan River |
| 1935 Residence (County) | Caswell |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Township / Ward | Dan River |
| Est. Birth Year | ~1924 |
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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rosnell Long | Daughter | — | 19 | ~1921 |
| Kathleen Long | Daughter | — | 12 | ~1928 |
| Willie Long | Daughter | — | 4 | ~1936 |
| Coraly Long | Daughter | — | 6 | ~1934 |
| Effie Long | Daughter | — | 11 | ~1929 |
| Frances Long | Daughter | — | 18 | ~1922 |
| Mary Long | Daughter | — | 16 | ~1924 |
| Hattie Long | Daughter | — | 15 | ~1925 |
| George Long | Head | — | 44 | ~1896 |
| James Long | Son | — | 2 | ~1938 |
| Herbert Long | Son | — | 10 | ~1930 |
| Sherdo Long | Son | — | 9 | ~1931 |
| Willie Long | Son | — | 17 | ~1923 |
| Clarence Long | Son | — | 7 | ~1933 |
| George Long | Son | — | 21 | ~1919 |
| Idenia Long | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Caswell, North …
Daughter, age 6
Caswell, North Carolina · implied b. ~1924 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| 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
Caswell-County, North …
Daughter, age 16
Caswell-County, North Carolina · implied b. ~1924 — 16 household members
| Surname | Long |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Dan River |
| 1935 Residence (County) | Caswell |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 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 Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Long
Daughter · 1940 · age 16 · b. ~1924 · North Carolina
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Sibling
Willie Long
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Long
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Long
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Long
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Long
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosnell Long
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Long
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Long
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Long
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Effie Long
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherdo Long
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coraly Long
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Long
Sibling · 1940 · age 18
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 — Caswell-County, North Carolina
Open full size
1940 US Federal Census — Caswell-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02885-00096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Allen | 14 | Daughter | — | North Carolina |
| 42 | Louise Allen | 12 | Daughter | — | North Carolina |
| 43 | Oscar Allen | 10 | Son | — | North Carolina |
| 44 | Hazel Allen | 6 | Daughter | — | North Carolina |
| 45 | Sadie Allen | 3 | Daughter | — | N. Carolina |
| 46 | Harvey L. Allen | 2 | Son | — | North Carolina |
| 47 | Mathew Allen | 0 | Daughter | — | North Carolina |
| 48 | Pritchel Ragland | 49 | Head | Farmer | North Carolina |
| 49 | Hubert Wilson | 10 | Nephew | — | North Carolina |
| 50 | George H. Long | 44 | Head | Farmer | North Carolina |
| 51 | Idenia Long | 41 | Wife | — | North Carolina |
| 52 | George S. Long | 21 | Son | Laborer | North Carolina |
| 53 | Rosnell | Rosnell Long | 19 | Daughter | — | North Carolina |
| 54 | Frances Long | 18 | Daughter | — | North Carolina |
| 55 | Willie Long | 17 | Son | Laborer | North Carolina |
| 56 | Mary E. Long THIS PERSON | 16 | Daughter | — | North Carolina |
| 57 | Hattie Long | 15 | Daughter | — | North Carolina |
| 58 | Kathleen Long | 12 | Daughter | — | North Carolina |
| 59 | Effie Long | 11 | Daughter | — | North Carolina |
| 60 | Herbert Long | 10 | Son | — | North Carolina |
| 61 | Sherdo Long | 9 | Son | — | North Carolina |
| 62 | Clarence Long | 7 | Son | — | North Carolina |
| 63 | Coraly Long | 6 | Daughter | — | North Carolina |
| 64 | Willie F. Long | 4 | Daughter | — | North Carolina |
| 65 | James E. Long | 2 | Son | — | North Carolina |
| 66 | Purley Church Road Ends State Road 19 Begins | None | — | — | — |
| 67 | Cornelia P. Long | 57 | Head | — | North Carolina |
| 68 | Alex Jr. Stewart | 14 | Nephew | — | North Carolina |
| 69 | Johnnie Mc Lauchlin | 37 | Head | Milkman | North Carolina |
| 70 | Charlotte Mc Lauchlin | 36 | Wife | — | Virginia |
| 71 | Johnnie Jr. Mc Lauchlin | 11 | Son | — | Virginia |
| 72 | Hillary Carter | 53 | Head | Farmer | Virginia |
| 73 | Mabel Carter | 58 | Wife | — | Virginia |
| 74 | Iris Carter | 16 | Daughter | — | Virginia |
| 75 | Vernell Carter | 14 | Daughter | — | Virginia |
| 76 | Sidney Carter | 12 | Son | — | Virginia |
| 77 | Virginia Carter | 8 | Daughter | — | Virginia |
| 78 | Louise Carter | 4 | Daughter | — | North Carolina |
| 79 | Carolyn Carter | 2 | Daughter | — | North Carolina |
| 80 | Earle Adkins | 19 | Daughter | — | 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)