MK
Mary Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Johnson-County, Indiana
Our Model Tree links this Mary Kerr across the 1930 and 1940 US Censuses in Johnson-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 4-person household.
Age 11
b. ~1929
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Indiana |
| Surname | Kerr |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Franklin city |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Franklin 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Kerr | Head | — | 53 | ~1887 |
| Evelyn Kerr | Daughter | — | 6 | ~1934 |
| Mary Kerr | Daughter | — | 11 | ~1929 |
| Mertie Kerr | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Johnson, Indiana
Daughter, age 1
Johnson, Indiana · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Johnson-County, Indiana
Daughter, age 11
Johnson-County, Indiana · implied b. ~1929 — 4 household members
| Surname | Kerr |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Franklin city |
| 1935 Residence (County) | Johnson |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| 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 Kerr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kerr
Daughter · 1940 · age 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Evelyn Kerr
Sibling · 1940 · age 6
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 — Johnson-County, Indiana
Open full size
1940 US Federal Census — Johnson-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01059-00196)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Buchanan | 57 | Head | Machine Hand | Virginia |
| 2 | Anna Buchanan | 48 | Wife | Repair Work | Illinois |
| 3 | Raymond Brown | 26 | Head | Salesman | Indiana |
| 4 | Sarah E Brown | 19 | Wife | — | Indiana |
| 5 | Gordon R Brown | 1 | Son | — | Indiana |
| 6 | James Leon Parker | 43 | Head | Salesman | Indiana |
| 7 | Alice Parker | 40 | Wife | — | Illinois |
| 8 | Rosemary I Parker | 18 | Daughter | — | Illinois |
| 9 | Roscoe C Perkins | 58 | Head | Carpenter | Indiana |
| 10 | Cordelia Perkins | 56 | Wife | — | Indiana |
| 11 | Harry H Hudson | 38 | Head | Laborer | Indiana |
| 12 | Daisy I Hudson | 37 | Wife | — | Indiana |
| 13 | Clarice A Hudson | 2 | Daughter | — | Indiana |
| 14 | George Hudson | 77 | Father | — | Kentucky |
| 15 | William Bert Kerr | 53 | Head | Laborer | Indiana |
| 16 | Mertie Ray Kerr | 34 | Wife | 63 | Kentucky |
| 17 | Mary Alice Kerr THIS PERSON | 11 | Daughter | — | Indiana |
| 18 | Evelyn Lucille Kerr | 6 | Daughter | — | Kentucky |
| 19 | Fredrick Haymaker | 61 | Head | Laborer | Indiana |
| 20 | Minnie E Haymaker | 60 | Wife | — | Indiana |
| 21 | Pendley Virginia Haymaker | 22 | Daughter | — | Indiana |
| 22 | Willard J Harley | 32 | Head | Truck Driver | Indiana |
| 23 | Margaret A Harley | 26 | Wife | — | Indiana |
| 24 | Josephine Harley | 9 | Daughter | — | Indiana |
| 25 | Arthur J Spencer | 17 | Brother-in-law | Truck Driver | Indiana |
| 26 | Mattie Elder | 70 | Grandmother | — | Illinois |
| 27 | Dale Campbell | 29 | Head | Cutter | Indiana |
| 28 | Mabel Campbell | 27 | Wife | Machine Operator | Indiana |
| 29 | Earl Alexander | 43 | Head | Salesman | Indiana |
| 30 | Gladys L Alexander | 44 | Wife | — | Illinois |
| 31 | Earl Edward Alexander | 16 | Son | — | Illinois |
| 32 | Robert Brennan Alexander | 14 | Son | — | Illinois |
| 33 | Milton Eugene Alexander | 6 | Son | — | Indiana |
| 34 | Marguerite Campbell | 43 | Head | Clerk | Indiana |
| 35 | Mayme Campbell | 45 | Sister | Teacher | Indiana |
| 36 | H Brother Thomas | 48 | Brother | Teacher | Indiana |
| 37 | Emma Thomas | 37 | Sister-in-law | — | Indiana |
| 38 | Alice Ann Thomas | 5 | Niece | — | Indiana |
| 39 | B. H. Devour | 49 | Head | Proprietor | Indiana |
| 40 | Olive M Devour | 46 | Wife | — | Indiana |
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)