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Mary Mullins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Mullins across the 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 12-person household.
Age 18
b. ~1922
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Mullins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1922 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Mullins | Son | — | 14 | ~1926 |
| Thelma Mullins | Daughter | — | 11 | ~1929 |
| Martha Start | Other | — | 59 | ~1881 |
| Mary Mullins | Daughter | — | 18 | ~1922 |
| Jackson Mullins | Head | — | 58 | ~1882 |
| Jack Mullins | Son | — | 16 | ~1924 |
| Martha Mullins | Daughter | — | 8 | ~1932 |
| Joseph Start | Other | — | 62 | ~1878 |
| Nellie Mullins | Spouse | — | 48 | ~1892 |
| Frank Mullins | Son | — | 13 | ~1927 |
| Robert Mullins | Son | — | 9 | ~1931 |
| Nellie Mullins | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Jefferson, Kentucky
Daughter, age 8
Jefferson, Kentucky · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullins |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| 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 18
Jefferson-County, Kentucky · implied b. ~1922 — 12 household members
| Surname | Mullins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Class of Worker | 0 |
| Highest Grade | H 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 Mullins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mullins
Daughter · 1940 · age 18 · b. ~1922 · Kentucky
★ You are viewing this record
Sibling
Jack Mullins
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Mullins
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mullins
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Mullins
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Mullins
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Mullins
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mullins
Sibling · 1940 · age 9
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-t0627-01372-00699)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John T Brandenburg | 18 | Son | Spring Maker | Kentucky |
| 42 | Douglas N Brandenburg | 16 | Son | New Worker | Kentucky |
| 43 | Eugene Brandenburg | 59 | Head | Plumber | Kentucky |
| 44 | Adela Brandenburg | 60 | Wife | — | Georgia |
| 45 | William A Skaggs | 33 | Head | Soldierer | Kentucky |
| 46 | Nelle Skaggs | 27 | Wife | — | Kentucky |
| 47 | William A Jr Skaggs | 3 | Son | — | Kentucky |
| 48 | Kenneth A Skaggs | 1 | Son | — | Kentucky |
| 50 | Frank A Greenert | 37 | Head | Proprietor | Kentucky |
| 51 | Latta Greenert | 32 | Wife | — | Kentucky |
| 52 | Frank T Greenert | 13 | Son | — | Kentucky |
| 53 | Doris L Greenert | 10 | Daughter | — | Kentucky |
| 54 | Robert L Greenert | 6 | Son | — | Kentucky |
| 55 | Lon Whitfill | 36 | Head | Insurance Agent | Kentucky |
| 56 | Mary Whitfill | 36 | Wife | — | Kentucky |
| 57 | Lujean Whitfill | 9 | Daughter | — | Kentucky |
| 58 | Lon Jr Whitfill | 4 | Son | — | Kentucky |
| 59 | Ann R Whitfill | 2 | Daughter | — | Kentucky |
| 60 | Leroy Orwick | 26 | Head | Time Keeper | Kentucky |
| 61 | Mildred Orwick | 29 | Wife | — | Kentucky |
| 62 | Marlene Orwick | 3 | Daughter | — | Kentucky |
| 63 | Leroy Jr Orwick | 1 | Son | — | Kentucky |
| 64 | Darlene Orwick | 5 | Daughter | — | Kentucky |
| 65 | Capitola Derolph | 54 | Head | — | Missouri |
| 66 | Owen Faust | 19 | Son-in-law | Apprentice Plumber | Kentucky |
| 67 | Phoebe Faust | 17 | Daughter | — | Ohio |
| 68 | Diana Faust | 0 | Daughter | — | Kentucky |
| 69 | Jackson Mullins | 58 | Head | Yard Master | Kentucky |
| 70 | Nellie Mullins | 48 | Wife | — | Kentucky |
| 71 | Mary Mullins THIS PERSON | 18 | Daughter | — | Kentucky |
| 72 | Jack Mullins | 16 | Son | — | Kentucky |
| 73 | William Mullins | 14 | Son | — | Kentucky |
| 74 | Frank Mullins | 13 | Son | — | Kentucky |
| 75 | Thelma D Mullins | 11 | Daughter | — | Kentucky |
| 76 | Robert Mullins | 9 | Son | — | Kentucky |
| 77 | Martha Mullins | 8 | Daughter | — | Kentucky |
| 78 | Nellie Mullins | 4 | Daughter | — | Kentucky |
| 79 | Joseph Start | 62 | Boarder | — | Kentucky |
| 80 | Martha Start | 59 | Sister-in-law | Clerk | Kentucky |
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)