MH
Mary Harper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Weber-County, Utah
Our Model Tree links this Mary Harper across the 1930 and 1940 US Censuses in Weber-County, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 11-person household.
Age 43
b. ~1897
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Weber-County, Utah |
| Surname | Harper |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | OGDEN CITY |
| Additional Details | |
| Occupation | 0 |
| Highest Grade | C 1 |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | 0 |
| Township / Ward | Ogden City |
| Est. Birth Year | ~1897 |
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 |
|---|---|---|---|---|
| Carol Harper | Daughter | — | 7 | ~1933 |
| Parma Harper | Daughter | — | 5 | ~1935 |
| Renaldo Harper | Head | — | 43 | ~1897 |
| Reed Harper | Son | — | 12 | ~1928 |
| Leslie Harper | Son | — | 10 | ~1930 |
| Thomas Harper | Son | — | 14 | ~1926 |
| E Harper | Son | — | 18 | ~1922 |
| Flamm Harper | Son | — | 19 | ~1921 |
| Glen Harper | Son | — | 16 | ~1924 |
| Robt Harper | Son | — | 1 | ~1939 |
| Mary Harper | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Weber, Utah
Other, age 32
Weber, Utah · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Mary Lee |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 21 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Weber-County, Utah
Spouse, age 43
Weber-County, Utah · implied b. ~1897 — 11 household members
| Surname | Harper |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | OGDEN CITY |
| Occupation | 0 |
| Highest Grade | C 1 |
| 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 Harper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harper
Spouse · 1940 · age 43 · b. ~1897 · Utah
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Weber-County, Utah
Open full size
1940 US Federal Census — Weber-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04222-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Memmott | 13 | Grand-son | — | Utah |
| 2 | Evan W. Green | 27 | Head | Car-Icer | Utah |
| 3 | Marjorie F. Green | 24 | Wife | — | Utah |
| 4 | Marcene Green | 4 | Daughter | — | Utah |
| 5 | Infant Green | 0 | Son | — | Utah |
| 6 | Renaldo E. Harper | 43 | Head | 63 | Idaho |
| 7 | Mary E. Harper THIS PERSON | 43 | Wife | 0 | Utah |
| 8 | Flamm D. Harper | 19 | Son | 60 | Idaho |
| 9 | E. Craig Harper | 18 | Son | 0 | Idaho |
| 10 | Glen R. Harper | 16 | Son | 0 | Utah |
| 11 | Thomas D. Harper | 14 | Son | 0 | Utah |
| 12 | Reed L. Harper | 12 | Son | 0 | Utah |
| 13 | Leslie K. Harper | 10 | Son | 0 | Utah |
| 14 | Carol May Harper | 7 | Daughter | 0 | Utah |
| 15 | Parma L. Harper | 5 | Daughter | 0 | Utah |
| 16 | Robt. E. Harper | 1 | Son | 0 | Utah |
| 17 | Peder Jensen | 65 | Head | 4 | Denmark |
| 18 | Ella Marie Jensen | 63 | Wife | 0 | Denmark |
| 19 | Oscar Martinsen | 57 | Head | 46 | Norway |
| 20 | Rose C. Lynch | 40 | Head | 52 | Utah |
| 21 | Carol E. Lynch | 16 | Daughter | 0 | California |
| 22 | John B. Lynch | 15 | Son | 0 | Utah |
| 23 | Robert K. Lynch | 13 | Son | 0 | Utah |
| 24 | Gustave Unander | 46 | Head | 48 | Utah |
| 25 | Emma H. Unander | 47 | Wife | — | Utah |
| 26 | Beverly Jean Unander | 11 | Daughter | 0 | Utah |
| 27 | Delwin Earl Unander | 7 | Son | 0 | Utah |
| 28 | Wilson Burton | 41 | Head | 48 | Utah |
| 29 | Leota Burton | 39 | Wife | 0 | Utah |
| 30 | Dallas Burton | 17 | Son | 0 | Utah |
| 31 | Sylvan Turnblom | 35 | Head | 40 | Norway |
| 32 | Elaine Turnblom | 36 | Wife | 0 | Idaho |
| 33 | Carl Turnblom | 11 | Son | 0 | Utah |
| 34 | Grant Turnblom | 4 | Son | 0 | Utah |
| 35 | Infant Turnblom | 0 | Son | 0 | Utah |
| 36 | Laura B. Smith | 66 | Head | 0 | Utah |
| 37 | Daniel S. Smith | 39 | Son | Laborer | Idaho |
| 38 | Ila P. Smith | 21 | Daughter | 26 | Utah |
| 39 | Earl Hawkins | 40 | Head | 21 | Idaho |
| 40 | Roy Hawkins | 35 | Brother | Hod-Carrier | 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)