MM
Mary Marsh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Box-Elder-County, Utah
Our Model Tree links this Mary Marsh across the 1930 and 1940 US Censuses in Box-Elder-County, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Box-Elder-County, Utah |
| Surname | Marsh |
| Given Name | Mary P. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Penrose Precinct |
| 1935 Residence (County) | Box Elder |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Penrose Precinct |
| Est. Birth Year | ~1888 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| J Marsh | Son | — | 13 | ~1927 |
| George Marsh | Head | — | 57 | ~1883 |
| Leland Marsh | Son | — | 25 | ~1915 |
| Mary Marsh | Spouse | — | 52 | ~1888 |
| George Marsh | Son | — | 23 | ~1917 |
Census Appearances
1930
Box Elder, …
Other, age 42
Box Elder, Utah · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marsh |
| Given Name | Mary P. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 30 |
| Father's Birthplace | Utah |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Box-Elder-County, Utah
Spouse, age 52
Box-Elder-County, Utah · implied b. ~1888 — 5 household members
| Surname | Marsh |
| Given Name | Mary P. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Penrose Precinct |
| 1935 Residence (County) | Box Elder |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Marsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Marsh
Spouse · 1940 · age 52 · b. ~1888 · 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 — Box-Elder-County, Utah
Open full size
1940 US Federal Census — Box-Elder-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04209-00613)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty Schuman | 13 | daughter | — | Utah |
| 42 | Lowell Reed Schuman | 12 | son | — | Utah |
| 43 | Virginia Schuman | 9 | daughter | — | Utah |
| 44 | Curtis Schuman | 8 | son | — | Utah |
| 45 | Patricia Schuman | 6 | daughter | — | Utah |
| 46 | Franklin Schuman | 4 | son | — | Utah |
| 47 | C. Earl Miller | 46 | head | Farmer | Utah |
| 48 | Ida O. Miller | 42 | wife | — | Colorado |
| 49 | Merle Miller | 18 | daughter | Housekeeper | Utah |
| 50 | Oletta Miller | 15 | daughter | — | Utah |
| 51 | Carma Miller | 12 | daughter | — | Utah |
| 52 | Lois Miller | 7 | daughter | — | Utah |
| 53 | George Marsh | 57 | head | Bus Driver | Utah |
| 54 | Mary P. Marsh THIS PERSON | 52 | wife | — | Utah |
| 55 | Leland F. Marsh | 25 | son | Salesman | Utah |
| 56 | George Jr. Marsh | 23 | son | Laborer | Utah |
| 57 | J. W. Marsh | 13 | son | — | Utah |
| 58 | Engvar Petersen | 50 | head | Farmer | Norway |
| 59 | Anna Petersen | 43 | wife | — | Kentucky |
| 60 | Preston Petersen | 22 | son | Laborer | Utah |
| 61 | Bill Petersen | 19 | son | Laborer | Utah |
| 62 | William Jr. Barely | 42 | head | Farmer | Utah |
| 63 | Aurelia Barely | 37 | wife | — | Utah |
| 64 | William Grant Barely | 17 | son | Laborer | Utah |
| 65 | Olive Barely | 15 | daughter | — | Utah |
| 66 | Cleo Mae Barely | 11 | daughter | — | Utah |
| 67 | Keith M. Barely | 6 | son | — | Utah |
| 68 | Kenneth Barely | 4 | son | — | Utah |
| 69 | Starlin Stanfill | 36 | head | Farmer | Kansas |
| 70 | Beulah Stanfill | 31 | wife | — | Georgia |
| 71 | Rhea Stanfill | 12 | daughter | — | Utah |
| 72 | Dayle Stanfill | 10 | son | — | Utah |
| 73 | Galene Stanfill | 5 | daughter | — | Utah |
| 74 | Shirley Stanfill | 1 | daughter | — | Utah |
| 75 | William M. Miller | 79 | head | — | Utah |
| 76 | Ellen S. Miller | 76 | wife | — | Utah |
| 77 | Althea Miller | 29 | daughter | — | Utah |
| 78 | Henry J. Colby | 29 | head | Laborer | Utah |
| 79 | Bessie Colby | 24 | wife | — | Utah |
| 80 | Edwin J. Colby | 3 | son | — | Utah |
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)