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Mary Barr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Saline-County, Missouri
Our Model Tree links this Mary Barr across the 1930 and 1940 US Censuses in Saline-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Saline-County, Missouri |
| Surname | Barr |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Marshall City |
| 1935 Residence (County) | Saline |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Marshall City |
| Est. Birth Year | ~1924 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Waitel Barr | Daughter | — | 11 | ~1929 |
| John Barr | Other | — | 79 | ~1861 |
| Alice Barr | Daughter | — | 3 | ~1937 |
| Mary Barr | Spouse | — | 40 | ~1900 |
| Mary Barr | Daughter | — | 16 | ~1924 |
| John Barr | Son | — | 6 | ~1934 |
| Norma Barr | Daughter | — | 8 | ~1932 |
| John Barr | Head | — | 41 | ~1899 |
| Clarence Barr | Son | — | 18 | ~1922 |
| Doris Pemberton | Other | — | 36 | ~1904 |
Census Appearances
1930
Saline, Missouri
Daughter, age 4
Saline, Missouri · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barr |
| Given Name | Mary Louise |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Saline-County, Missouri
Daughter, age 16
Saline-County, Missouri · implied b. ~1924 — 10 household members
| Surname | Barr |
| Given Name | Mary Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Marshall City |
| 1935 Residence (County) | Saline |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Barr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Barr
Daughter · 1940 · age 16 · b. ~1924 · Missouri
★ You are viewing this record
Sibling
John Barr
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Barr
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Barr
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Waitel Barr
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Barr
Sibling · 1940 · age 8
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 — Saline-County, Missouri
Open full size
1940 US Federal Census — Saline-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02155-00784)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | F. G. Powell | 41 | Head | Mechanic | Missouri |
| 2 | Lorena Powell | 40 | Wife | — | Missouri |
| 3 | Betty Ann Powell | 11 | Daughter | — | Missouri |
| 4 | G. A. Cross | 28 | Brother-in-law | Mechanic | Missouri |
| 5 | Dr. E. E. Sharp | 58 | Head | Dentist | Missouri |
| 6 | Mabel Sharp | 52 | Wife | — | Missouri |
| 7 | Charlie Trussell | 48 | Head | Upholsterer | Missouri |
| 8 | Willie Trussell | 44 | Wife | Stenographer | Missouri |
| 9 | Nora E. Austin | 85 | Head | — | Missouri |
| 10 | Calvin Durnil | 53 | Head | — | Missouri |
| 11 | Bertha Durnil | 44 | Wife | Fitting Room | Missouri |
| 12 | Clifford Landreth | 24 | Head | Laborer | Missouri |
| 13 | Mildred Landreth | 21 | Wife | — | Missouri |
| 14 | Donald Lee Landreth | 3 | Son | — | Missouri |
| 15 | John Wesley Landreth | 1 | Son | — | Missouri |
| 16 | Clara Clark | 42 | Head | Sewing Room | Missouri |
| 17 | James R. Campbell | 74 | Head | — | Canada |
| 18 | Bertha Wolfe | 38 | Head | Sewing Room | Missouri |
| 19 | Julia Cruyer | 69 | Head | — | Missouri |
| 20 | Nicholas Patterson | 20 | Lodger | — | Arkansas |
| 21 | Mary E. Wood | 69 | Mother-in-law | — | Indiana |
| 22 | George C. Wood | 36 | Brother-in-law | Farm Construction | Missouri |
| 23 | Edward Welch | 41 | Head | — | Missouri |
| 24 | Adelia Welch | 30 | Wife | — | Missouri |
| 25 | Charles Williams | 42 | Head | Owner Manager | Missouri |
| 26 | Etta Williams | 32 | Wife | — | Missouri |
| 27 | Reina Williams | 12 | Daughter | — | Missouri |
| 28 | Gloria Williams | 6 | Daughter | — | Missouri |
| 29 | John C. Barr | 41 | Head | Roaster | Missouri |
| 30 | Mary Frances Barr | 40 | Wife | — | Missouri |
| 31 | Clarence A. Barr | 18 | Son | — | Missouri |
| 32 | Mary Louise Barr THIS PERSON | 16 | Daughter | — | Missouri |
| 33 | Waitel Lee Barr | 11 | Daughter | — | Missouri |
| 34 | Norma Jean Barr | 8 | Daughter | — | Missouri |
| 35 | John Francis Barr | 6 | Son | — | Missouri |
| 36 | Alice Ann Barr | 3 | Daughter | — | Missouri |
| 37 | John Barr | 79 | Father | — | Iowa |
| 38 | Doris Pemberton | 36 | Lodger | Teacher | Missouri |
| 39 | W. H. Barnes | 42 | Head | Cook | Missouri |
| 40 | Mable Barnes | 30 | Wife | — | Missouri |
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)