MP
Mary Pollock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Garfield-County, Utah
Our Model Tree links this Mary Pollock across the 1930 and 1940 US Censuses in Garfield-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Garfield-County, Utah |
| Surname | Pollock |
| Given Name | Mary Betty |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Tropic Town |
| 1935 Residence (County) | Garfield |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Tropic Town |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| D Pollock | Son | — | 10 | ~1930 |
| Maggie Pollock | Spouse | — | 46 | ~1894 |
| Sherrell Pollock | Son | — | 7 | ~1933 |
| Otha Pollock | Daughter | — | 15 | ~1925 |
| Mary Pollock | Daughter | — | 13 | ~1927 |
| Loran Pollock | Head | — | 45 | ~1895 |
| Nelson Pollock | Son | — | 12 | ~1928 |
| Maggie Pollock | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Garfield, Utah
Daughter, age 3
Garfield, Utah · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pollock |
| Given Name | Mary Ella |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Garfield-County, Utah
Daughter, age 13
Garfield-County, Utah · implied b. ~1927 — 8 household members
| Surname | Pollock |
| Given Name | Mary Betty |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Tropic Town |
| 1935 Residence (County) | Garfield |
| Highest Grade | 6 |
| 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 Pollock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Pollock
Daughter · 1940 · age 13 · b. ~1927 · Utah
★ You are viewing this record
Sibling
Maggie Pollock
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
D Pollock
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otha Pollock
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelson Pollock
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherrell Pollock
Sibling · 1940 · age 7
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 — Garfield-County, Utah
Open full size
1940 US Federal Census — Garfield-County, Utah
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04213-00178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | H. Elaine Richards | 5 | daughter | — | Utah |
| 43 | Loran A. Pollock | 45 | Head | — | Utah |
| 44 | Maggie Pollock | 46 | wife | — | Utah |
| 45 | Maggie Pollock | 20 | daughter | Dancing Teacher | Utah |
| 46 | Otha Pollock | 15 | daughter | — | Utah |
| 47 | Mary Betty Pollock THIS PERSON | 13 | daughter | — | Utah |
| 48 | Nelson J. Pollock | 12 | son | — | Utah |
| 49 | D. Milton Pollock | 10 | son | — | Utah |
| 50 | Sherrell Pollock | 7 | son | — | Utah |
| 51 | Leslie D. Le Fevre | 35 | Head | Farmer | Utah |
| 52 | Floa Le Fevre | 36 | wife | — | Utah |
| 53 | Ellis J. Le Fevre | 15 | son | — | Utah |
| 54 | Lamar R. Le Fevre | 14 | son | — | Utah |
| 55 | John Lyle Le Fevre | 11 | son | — | Utah |
| 56 | Leslie Von Le Fevre | 9 | daughter | — | Utah |
| 57 | Dale Le Fevre | 7 | son | — | Utah |
| 58 | Velma Le Fevre | 5 | daughter | — | Utah |
| 59 | Sherman Baugh | 34 | Head | Laborer | Utah |
| 60 | Rozne Baugh | 25 | wife | — | Utah |
| 61 | Lillie Baugh | 3 | daughter | — | Utah |
| 62 | S. Matlon Baugh | 1 | son | — | Utah |
| 64 | Leona Combs | 40 | Head | — | Utah |
| 65 | Lloyd J. Combs | 8 | son | — | Utah |
| 66 | Rosa Simonds | 32 | sister | — | Utah |
| 67 | Clinton Simonds | 8 | Nephew | — | Utah |
| 68 | William E. Richins | 32 | Head | Engine Operator | Utah |
| 69 | Dee W. Richins | 32 | wife | — | Utah |
| 70 | Vorell Richins | 7 | daughter | — | Utah |
| 71 | The Neil Richins | 5 | son | — | Utah |
| 72 | Alda Richins | 4 | daughter | — | Utah |
| 73 | Jon D. Richins | 2 | son | — | Utah |
| 74 | Lola Richins | 0 | daughter | — | Utah |
| 75 | Dellis Spencer | 36 | Head | Laborer | Utah |
| 76 | Nita Spencer | 30 | wife | — | Utah |
| 77 | Shirley Spencer | 9 | daughter | — | Utah |
| 78 | L. Leon Spencer | 6 | son | — | Utah |
| 79 | June K. Spencer | 4 | daughter | — | Utah |
| 80 | Sherrill D. Spencer | 2 | daughter | — | 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)