MC
Mary Cunningham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Daviess-County, Indiana
Our Model Tree links this Mary Cunningham across the 1930 and 1940 US Censuses in Daviess-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Daviess-County, Indiana |
| Surname | Cunningham |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Daviess |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Washington City |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Emma Cunningham | Daughter | — | 9 | ~1931 |
| Eupa Cunningham | Daughter | — | 14 | ~1926 |
| Iva Cunningham | Daughter | — | 7 | ~1933 |
| Joella Cunningham | Daughter | — | 3 | ~1937 |
| Alice Cunningham | Daughter | — | 1 | ~1939 |
| Mary Cunningham | Daughter | — | 11 | ~1929 |
| John Cunningham | Head | — | 47 | ~1893 |
| Tommy Cunningham | Son | — | 17 | ~1923 |
| Charles Cunningham | Son | — | 22 | ~1918 |
| George Cunningham | Son | — | 15 | ~1925 |
| Mary Cunningham | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Daviess, Indiana
Daughter, age
Daviess, Indiana · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Daviess-County, Indiana
Daughter, age 11
Daviess-County, Indiana · implied b. ~1929 — 11 household members
| Surname | Cunningham |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Daviess |
| Highest Grade | No 4 |
| 1935 Residence | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Cunningham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cunningham
Daughter · 1940 · age 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Charles Cunningham
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Cunningham
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cunningham
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Cunningham
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joella Cunningham
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tommy Cunningham
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iva Cunningham
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eupa Cunningham
Sibling · 1940 · age 14
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 — Daviess-County, Indiana
Open full size
1940 US Federal Census — Daviess-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01034-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John D Cunningham | 47 | Head | Carrier | Indiana |
| 2 | Mary E Cunningham | 37 | Wife | — | Indiana |
| 3 | Charles A Cunningham | 22 | Son | New Worker | Indiana |
| 4 | Tommy Cunningham | 17 | Son | — | Indiana |
| 5 | George Cunningham | 15 | Son | — | Indiana |
| 6 | Eupa May Cunningham | 14 | Daughter | — | Indiana |
| 7 | Mary M Cunningham THIS PERSON | 11 | Daughter | — | Indiana |
| 8 | Emma L Cunningham | 9 | Daughter | — | Indiana |
| 9 | Iva L Cunningham | 7 | Daughter | — | Indiana |
| 10 | Joella Cunningham | 3 | Daughter | — | Indiana |
| 11 | Alice Cunningham | 1 | Daughter | — | Indiana |
| 12 | James Stephenson | 25 | Head | — | Kentucky |
| 13 | Clida Stephenson | 69 | Wife | — | Indiana |
| 14 | Owen Orr | 59 | Head | Passenger Conductor | Illinois |
| 15 | Sylva C Orr | 27 | Daughter | History Teacher | Indiana |
| 16 | Robert E Orr | 24 | Son | Solderer | Indiana |
| 17 | Sarah E Orr | 21 | Daughter | — | Indiana |
| 18 | Davis F Orr | 17 | Son | — | Indiana |
| 19 | Fred Mitchell | 52 | Head | Laborer | Indiana |
| 20 | Pearl Mitchell | 52 | Wife | — | Indiana |
| 21 | Wayne P Mitchell | 26 | Son | Hotel Porter | Illinois |
| 22 | Eadin N Brown | 54 | Head | Freight Conductor | Illinois |
| 23 | Grace B Brown | 53 | Wife | — | Kansas |
| 24 | Grace M Brown | 17 | Daughter | — | Indiana |
| 25 | Walter R Brown | 13 | Son | — | Indiana |
| 26 | Fredrick Toiliver | 59 | Head | Freight Brakeman | Illinois |
| 27 | Mae Toiliver | 60 | Wife | — | Indiana |
| 28 | Arnold Conrad | 62 | Head | — | Indiana |
| 29 | Anna Conrad | 62 | Wife | — | Indiana |
| 30 | William Sturgeon | 45 | Head | Machinist Helper | Indiana |
| 31 | Una Sturgeon | 41 | Wife | — | Indiana |
| 32 | Vinton Sturgeon | 16 | Son | — | Indiana |
| 33 | Juanita Sturgeon | 13 | Daughter | — | Indiana |
| 34 | Zelma Sturgeon | 10 | Daughter | — | Indiana |
| 35 | Eli G Greenwood | 72 | Head | — | Indiana |
| 36 | Bridget Mullen | 44 | Head | — | Indiana |
| 37 | William H Mullen | 23 | Son | Furniture Builder | Indiana |
| 38 | Frances A Mullen | 17 | Daughter | — | Indiana |
| 39 | Maurice Mullen | 16 | Son | — | Indiana |
| 40 | Eloise Mullen | 13 | Daughter | — | Indiana |
Related Census Records
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)