MC
Mary Curtis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lauderdale-County, Tennessee
Our Model Tree links this Mary Curtis across the 1930 and 1940 US Censuses in Lauderdale-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lauderdale-County, Tennessee |
| Surname | Curtis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | District 5 |
| 1935 Residence (County) | Lauderdale |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | District 5 |
| 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 |
|---|---|---|---|---|
| Mary Curtis | Daughter | — | 10 | ~1930 |
| Neely Curtis | Daughter | — | 9 | ~1931 |
| Maud Curtis | Daughter | — | 7 | ~1933 |
| Algie Curtis | Head | — | 53 | ~1887 |
| Ollie Curtis | Son | — | 14 | ~1926 |
| Joe Curtis | Son | — | 15 | ~1925 |
| A Curtis | Son | — | 3 | ~1937 |
| Horace Curtis | Son | — | 17 | ~1923 |
| Vann Curtis | Son | — | 12 | ~1928 |
| Martha Curtis | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Lauderdale, Tennessee
Daughter, age
Lauderdale, Tennessee · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Lauderdale-County, Tennessee
Daughter, age 10
Lauderdale-County, Tennessee · implied b. ~1930 — 10 household members
| Surname | Curtis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | District 5 |
| 1935 Residence (County) | Lauderdale |
| Highest Grade | No 2 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Curtis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Curtis
Daughter · 1940 · age 10 · b. ~1930 · Tennessee
★ You are viewing this record
Sibling
Ollie Curtis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maud Curtis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vann Curtis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Curtis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
A Curtis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neely Curtis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horace Curtis
Sibling · 1940 · age 17
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 — Lauderdale-County, Tennessee
Open full size
1940 US Federal Census — Lauderdale-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03911-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Will M Chipman | 48 | Head | Farmer | Tennessee |
| 42 | Ollie L Chipman | 48 | Wife | Farm Laborer | Tennessee |
| 43 | Odell Chipman | 28 | Son | Farm Laborer | Tennessee |
| 44 | Lula Mae Chipman | 25 | Daughter | Farm Laborer | Tennessee |
| 45 | Irene Chipman | 17 | Daughter | Farm Laborer | Tennessee |
| 46 | Ralph S. Chipman | 15 | Son | Farm Laborer | Tennessee |
| 47 | Betty J. Chipman | 1 | Granddaughter | — | Tennessee |
| 48 | Algie Curtis | 53 | Head | Farmer | Tennessee |
| 49 | Martha O Curtis | 39 | Wife | — | Tennessee |
| 50 | Horace Curtis | 17 | Son | Farm Laborer | Tennessee |
| 51 | Joe F. Curtis | 15 | Son | — | Tennessee |
| 52 | Ollie Curtis | 14 | Son | — | Tennessee |
| 53 | Vann Curtis | 12 | Son | — | Tennessee |
| 54 | Mary Curtis THIS PERSON | 10 | Daughter | — | Tennessee |
| 55 | Neely Curtis | 9 | Daughter | — | Tennessee |
| 56 | Maud Curtis | 7 | Daughter | — | Tennessee |
| 57 | A. C. Curtis | 3 | Son | — | Tennessee |
| 58 | Andrew Kirkpatrick | 58 | Head | Farmer | Tennessee |
| 59 | Rosa Kirkpatrick | 53 | Wife | — | Tennessee |
| 60 | Woodrow Kirkpatrick | 21 | Son | Farm Laborer | Tennessee |
| 61 | James Kirkpatrick | 20 | Son | Farm Laborer | Tennessee |
| 62 | Ervin Kirkpatrick | 17 | Son | — | Tennessee |
| 63 | Jessie L. Kirkpatrick | 14 | Daughter | — | Tennessee |
| 64 | Jennie Chipman | 86 | Mother | — | Tennessee |
| 65 | Jessie Chipman | 50 | Sister-in-law | — | Tennessee |
| 66 | Jack Harrell | 40 | Head | Farmer | Tennessee |
| 67 | Irene O Harrell | 36 | Wife | — | Tennessee |
| 68 | Dorothy Harrell | 9 | Daughter | — | Tennessee |
| 69 | Jack Jr. Harrell | 6 | Son | — | Tennessee |
| 70 | Gerald C. Harrell | 1 | Son | — | Tennessee |
| 71 | Luther O Childress | 24 | Head | Farmer | Tennessee |
| 72 | Genevieve L. Childress | 30 | Wife | — | Tennessee |
| 73 | Betty J. Childress | 3 | Daughter | — | Tennessee |
| 74 | George O Ruffin | 53 | Head | Farmer | Tennessee |
| 75 | Sindaella Ruffin | 40 | Wife | — | Tennessee |
| 76 | Dortha M Ruffin | 25 | Daughter | Farm Laborer | Tennessee |
| 77 | Jeff Brooks Ruffin | 22 | Grandson | — | Tennessee |
| 78 | J. C. Wakefield | 23 | Head | Farmer | Tennessee |
| 79 | Billy M. Wakefield | 20 | Wife | — | Tennessee |
| 80 | Billy Jean Wakefield | 2 | Daughter | — | Tennessee |
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)