MC
Mary Carson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Carson across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Edward & Margaret — first a spouse (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Carson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carson | Spouse | — | 21 | ~1919 |
| Charlotte Carson | Daughter | — | 1 | ~1939 |
| George Carson | Head | — | 23 | ~1917 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 1
Jefferson, Kentucky · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carson |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 11
Jefferson, Kentucky · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carson |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 21
Jefferson-County, Kentucky · implied b. ~1919 — 3 household members
| Surname | Carson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | C 2 |
| 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 Carson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Carson (~0.92 confidence) and mother Margaret Carson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Carson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Margaret Carson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Carson
Spouse · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-01376-00707)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martha L. Thornton | 13 | Daughter | — | Kentucky |
| 42 | Delois C. Thornton | 9 | Daughter | — | Kentucky |
| 43 | Martha Sharrod | 70 | Mother-in-law | — | Kentucky |
| 44 | John W. Forbush | 25 | Head | Chauffeur | Kentucky |
| 45 | Anna M. Forbush | 24 | Wife | Maid | Kentucky |
| 46 | Mattie Roberts | 55 | Head | Domestic | Kentucky |
| 47 | Mattie Roberts | 15 | Daughter | — | Kentucky |
| 48 | Henry C. Roberts | 28 | Son | Laborer | Kentucky |
| 49 | John Willis | 47 | Son-in-law | Laborer | Kentucky |
| 50 | Catherine Willis | 35 | Daughter | Re-Tyer | Kentucky |
| 51 | Robert Hays | 28 | Head | — | Kentucky |
| 52 | Ella Hays | 22 | Wife | — | Kentucky |
| 53 | George Carson | 23 | Head | Truck Driver | North Carolina |
| 54 | Mary E. Carson THIS PERSON | 21 | Wife | — | Kentucky |
| 55 | Charlotte Y. Carson | 1 | Daughter | — | Kentucky |
| 56 | Percy Jr. Lively | 25 | Head | Letter Carrier | Kentucky |
| 57 | Marie Lively | 25 | Wife | — | Kentucky |
| 58 | Jacqueline Lively | 5 | Daughter | — | Kentucky |
| 59 | Esther M. Lively | 2 | Daughter | — | Kentucky |
| 60 | June Lively | 16 | Daughter | — | Kentucky |
| 61 | Joseph M. Yancey | 66 | Head | Janitor | Kentucky |
| 62 | Anna Yancey | 63 | Wife | — | Kentucky |
| 63 | Charles C. Yancey | 25 | Son | Laborer | Kentucky |
| 64 | Melville Yancey | 23 | Son | — | Kentucky |
| 65 | Robert M. Yancey | 20 | Son | Laborer | Kentucky |
| 66 | Margaret Yancey | 18 | Daughter | — | Kentucky |
| 67 | Melville C. Morris | 48 | Head | Spray Painter | Kentucky |
| 68 | Emma J. Morris | 47 | Wife | — | Kentucky |
| 69 | John E. Nelson | 36 | Head | Plater | Tennessee |
| 70 | Edith Nelson | 28 | Wife | — | Tennessee |
| 71 | John Jr. Nelson | 8 | Son | — | Kentucky |
| 72 | William T. Nelson | 6 | Son | — | Kentucky |
| 73 | James E. Nelson | 3 | Son | — | Kentucky |
| 74 | Lawyer Nelson | 73 | Father | — | Tennessee |
| 75 | John R. Moody | 47 | Head | Laborer | Kentucky |
| 76 | Mary M. Moody | 45 | Wife | — | Kentucky |
| 77 | John R. Jr. Moody | 22 | Son | Porter | Kentucky |
| 78 | Cecil R. Moody | 20 | Son | Nailer | Kentucky |
| 79 | Alfonso Moody | 18 | Son | New Worker | Kentucky |
| 80 | Imogene Moody | 15 | Daughter | — | Kentucky |
Pedigree Summary
Mary
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)