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Mary Middleton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Mary Middleton across the 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Middleton |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Fannie Middleton | Daughter | — | 5 | ~1935 |
| Jane Middleton | Daughter | — | 10 | ~1930 |
| Allen Middleton | Son | — | 3 | ~1937 |
| Richard Middleton | Son | — | 15 | ~1925 |
| Anna Middleton | Spouse | — | 46 | ~1894 |
| Mary Middleton | Daughter | — | 12 | ~1928 |
| Ralph Middleton | Son | — | 13 | ~1927 |
| Vernal Middleton | Son | — | 14 | ~1926 |
| Oliver Middleton | Son | — | 16 | ~1924 |
| Donald Middleton | Son | — | 8 | ~1932 |
| William Middleton | Head | — | 70 | ~1870 |
Census Appearances
1930
Salt Lake, …
Daughter, age 1
Salt Lake, Utah · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Middleton |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Holland |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Salt-Lake-County, Utah
Daughter, age 12
Salt-Lake-County, Utah · implied b. ~1928 — 11 household members
| Surname | Middleton |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Middleton across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Middleton
Daughter · 1940 · age 12 · b. ~1928 · Utah
★ You are viewing this record
Sibling
Donald Middleton
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Middleton
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Middleton
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Middleton
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Middleton
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernal Middleton
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Middleton
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fannie Middleton
Sibling · 1940 · age 5
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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04223-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jay Walter Frazier | 77 | Head | — | Kansas |
| 42 | Fannie R. Frazier | 63 | Wife | — | England |
| 43 | Ivie Frazier | 35 | Daughter | Steno. | Utah |
| 44 | James E. Whitney | 32 | Head | Bookman | Utah |
| 45 | Edwina Whitney | 26 | Wife | — | Utah |
| 46 | James E. Sr. Cheney | 68 | Head | — | Kansas |
| 47 | Elda Cheney | 67 | Wife | Supt. | Missouri |
| 48 | Aaron Peterson | 64 | Head | Laborer | Sweden |
| 49 | Amelia M. Peterson | 51 | Wife | — | Utah |
| 50 | William O. Middleton | 70 | Head | Lumber Jack | Indiana |
| 51 | Anna Middleton | 46 | Wife | — | Holland |
| 52 | Oliver Middleton | 16 | Son | — | Calif |
| 53 | Richard Middleton | 15 | Son | — | Calif |
| 54 | Vernal Middleton | 14 | Son | — | Oregon |
| 55 | Ralph Middleton | 13 | Son | — | Oregon |
| 56 | Mary Ann Middleton THIS PERSON | 12 | Daughter | — | Oregon |
| 57 | Jane Middleton | 10 | Daughter | — | Salt Lake |
| 58 | Donald Middleton | 8 | Son | — | Utah |
| 59 | Fannie May Middleton | 5 | Daughter | — | Utah |
| 60 | Allen Middleton | 3 | Son | — | Utah |
| 61 | Margaret R. Park | 54 | Head | Nurse | Utah |
| 62 | Lorene Park | 29 | Daughter | X-Ray Tech. | Utah |
| 63 | Robert E. Sadler | 26 | Head | Machinist | Utah |
| 64 | Ruth V. Sadler | 21 | Wife | — | Utah |
| 65 | John F. Magnusson | 37 | Head | Manager | Utah |
| 66 | Lucile W. Magnusson | 33 | Wife | Secretary | Utah |
| 67 | Russell J. Magnusson | 13 | Son | — | Utah |
| 68 | Ray Farland | 57 | Head | Part Owner | Utah |
| 69 | Fay Farland | 47 | Wife | — | Utah |
| 70 | Richard B. Ball | 18 | Daughter | — | Utah |
| 71 | Bill B. Ball | 19 | Son | — | Utah |
| 72 | N. E. Sanders | 42 | Head | Carman Helper | Sweden |
| 73 | Martha Sanders | 32 | Wife | — | Sweden |
| 74 | Anna May Sanders | 11 | Daughter | — | Utah |
| 75 | Clifton R. Bennett | 42 | Head | Salesman | Utah |
| 76 | Birdie R. Bennett | 41 | Wife | — | Utah |
| 77 | Joseph B. Bond | 54 | Head | Teller | Utah |
| 78 | Irene Bond | 50 | Wife | — | New York |
| 79 | Robert Bond | 21 | Son | Laborer | Utah |
| 80 | Cecil E. Crawford | 54 | Head | Mechanic | 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)