MC
Mary Curtis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Curtis across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Edward & Emma — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Curtis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Assembler |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Assembler |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Curtis | Daughter | — | 21 | ~1919 |
| Juanita Curtis | Daughter | — | 12 | ~1928 |
| Dorothy Curtis | Daughter | — | 7 | ~1933 |
| Emma Curtis | Daughter | — | 9 | ~1931 |
| Edward Curtis | Head | — | 48 | ~1892 |
| William Curtis | Son | — | 10 | ~1930 |
| Emma Curtis | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age
Jefferson, Kentucky · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Mary S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 11
Jefferson, Kentucky · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 21
Jefferson-County, Kentucky · implied b. ~1919 — 7 household members
| Surname | Curtis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Assembler |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Curtis (~0.92 confidence) and mother Emma Curtis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Curtis
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Emma Curtis
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Curtis
Daughter · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
Sibling
William Curtis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Curtis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Curtis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Curtis
Sibling · 1940 · age 12
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01372-00791)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara S. Conway | 42 | Head | School Teacher | Ohio |
| 42 | Julianne L. Conway | 15 | Daughter | — | Kentucky |
| 43 | William Conway | 11 | Son | — | Kentucky |
| 45 | Roy Gray | 29 | Head | Salesman | Illinois |
| 46 | Nellie P. Gray | 24 | Wife | — | Missouri |
| 47 | Barbara Gray | 1 | Daughter | — | Kentucky |
| 48 | Francis Stovall | 25 | Head | Grinder | Kentucky |
| 49 | Ruby P. Stovall | 23 | Wife | — | Tennessee |
| 50 | Bobbie Stovall | 1 | Daughter | — | Kentucky |
| 51 | Oscar Gray | 52 | Head | Collector | Missouri |
| 52 | Florence Gray | 53 | Wife | — | Illinois |
| 53 | Douglas Gray | 21 | Son | Clerk | Kentucky |
| 54 | Frank Ross | 56 | Head | Assistant Cashier | Ohio |
| 55 | Ann Ross | 37 | Wife | Waitress | Kentucky |
| 56 | Edward Curtis | 48 | Head | Sheet Metal Worker | Indiana |
| 57 | Emma Curtis | 43 | Wife | — | Kentucky |
| 58 | Mary Curtis THIS PERSON | 21 | Daughter | Assembler | Kentucky |
| 59 | William Curtis | 10 | Son | — | Kentucky |
| 60 | Juanita Curtis | 12 | Daughter | — | Kentucky |
| 61 | Emma Curtis | 9 | Daughter | — | Kentucky |
| 62 | Dorothy Curtis | 7 | Daughter | — | Kentucky |
| 63 | Jake Stinson | 54 | Head | Clerk | Kentucky |
| 64 | Effie Stinson | 50 | Wife | — | Kentucky |
| 65 | William Stenberg | 54 | Head | Printer | Kentucky |
| 66 | Selma Stenberg | 53 | Wife | — | Kentucky |
| 67 | Robert Stenberg | 19 | Son | Advertising | Kentucky |
| 68 | George Dunn | 46 | Head | Foreman | Kentucky |
| 69 | Clara A. Dunn | 45 | Wife | — | Kentucky |
| 70 | Clara M. Dunn | 25 | Daughter | Stenographer | Kentucky |
| 71 | John Dunn | 12 | Son | — | Kentucky |
| 72 | Harry Dunn | 8 | Son | — | Kentucky |
| 73 | Maggie Colle | 45 | Sister in law | — | Kentucky |
| 74 | Joe Pilkington | 35 | Head | Supervisor | Kentucky |
| 75 | Marie Pilkington | 37 | Wife | — | Kentucky |
| 76 | Joe Jr. Pilkington | 15 | Son | — | Kentucky |
| 77 | Marie Pilkington | 12 | Daughter | — | Kentucky |
| 78 | Elizabeth Pilkington | 6 | Daughter | — | Kentucky |
| 79 | Harry Kuhlman | 32 | Head | Barber | Kentucky |
| 80 | Minnie Kuhlman | 25 | Wife | — | Kentucky |
Pedigree Summary
Mary + 4 siblings
Gen 1 · 2 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)