MC
Mary Cochran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Mary Cochran across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Female
Spouse
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Cochran |
| Given Name | Mary S. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Highest Grade | C 2 |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1891 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Cochran | Daughter | — | 22 | ~1918 |
| George Cochran | Head | — | 52 | ~1888 |
| Mary Cochran | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Salt Lake, …
Spouse, age 32
Salt Lake, Utah · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Idaho |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Salt Lake, …
Other, age 41
Salt Lake, Utah · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochrane |
| Given Name | Mary |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Idaho |
| Age at First Marriage | W |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Salt-Lake-County, Utah
Spouse, age 49
Salt-Lake-County, Utah · implied b. ~1891 — 3 household members
| Surname | Cochran |
| Given Name | Mary S. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (County) | Salt Lake |
| Highest Grade | C 2 |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Cochran across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cochran
Spouse · 1940 · age 49 · b. ~1891 · Utah
★ You are viewing this record
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-t0627-04223-00575)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jill Chase | 3 | daughter | — | Utah |
| 42 | James H. Crabtree | 52 | head | Retail Paint & Glass Co | Utah |
| 43 | Della S. Crabtree | 49 | wife | — | Utah |
| 44 | Arden Shepherd | 36 | head | Hotel | Utah |
| 45 | Ruby P. Shepherd | 29 | wife | — | Utah |
| 46 | Charlene Shepherd | 5 | daughter | — | Utah |
| 47 | Ardith Shepherd | 3 | daughter | — | Utah |
| 48 | Raymond Gallacher | 25 | head | Light & Traction Co | Utah |
| 49 | Elnora S. Gallacher | 22 | wife | — | Utah |
| 50 | Harry Goldberg | 33 | head | Oa | Russia |
| 51 | Ruth P. Goldberg | 22 | wife | 40 | New York |
| 52 | Lynne Goldberg | 1 | daughter | — | Utah |
| 53 | Flora Ann Medlin | 18 | servant | 48 | Utah |
| 54 | Daniel D. Grundemann | 29 | head | Oil Refinery | Utah |
| 55 | Lenore Grundemann | 26 | wife | — | Utah |
| 56 | Katherine Grundemann | 1 | daughter | — | Utah |
| 57 | William H. Timmerman | 29 | head | State Road Commission | Utah |
| 58 | Alta S. Timmerman | 25 | wife | — | Utah |
| 59 | William Jr. Timmerman | 2 | son | — | Utah |
| 60 | Monroe Neal | 36 | head | 40 | Idaho |
| 61 | Margaret R. Neal | 36 | wife | — | Idaho |
| 62 | Leon Neal | 12 | son | — | California |
| 63 | Patsy Neal | 7 | daughter | — | California |
| 64 | Melinda Neal | 0 | daughter | — | Utah |
| 65 | Bara Stoddard | 18 | servant | 48 | Utah |
| 66 | George Cochran | 52 | head | Private Practice | Utah |
| 67 | Mary S. Cochran THIS PERSON | 49 | wife | — | Idaho |
| 68 | Dorothy Cochran | 22 | daughter | — | Idaho |
| 69 | James Wise | 40 | head | 40 | Utah |
| 70 | Helen S. Wise | 36 | wife | — | Utah |
| 71 | Donna Wise | 13 | daughter | — | Utah |
| 72 | Shirley Wise | 12 | daughter | — | Utah |
| 73 | Betty Wise | 9 | daughter | — | Utah |
| 74 | James Jr. Wise | 7 | son | — | Utah |
| 75 | Extra Line | None | — | — | — |
| 76 | Extra Line | None | — | — | — |
| 77 | Newton A. Tuttle | 47 | head | Building Construction | Utah |
| 78 | Alta S. Tuttle | 45 | wife | — | Utah |
| 79 | June Tuttle | 22 | daughter | Private Home | Utah |
| 80 | Newton Son Tuttle | 17 | son | Newspapers | Utah |
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)