MP
Mary Powell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Uintah-County, Utah
Our Model Tree links this Mary Powell across the 1930 and 1940 US Censuses in Uintah-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Uintah-County, Utah |
| Surname | Powell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | North Vernal Precinct 14, Ashley |
| 1935 Residence (County) | Uintah |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Same house |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | North Vernal Precinct 14 Ashley |
| Est. Birth Year | ~1930 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Powell | Daughter | — | 5 | ~1935 |
| Alice Powell | Daughter | — | 2 | ~1938 |
| Mary Powell | Daughter | — | 10 | ~1930 |
| Dorothy Powell | Daughter | — | 17 | ~1923 |
| John Powell | Head | — | 42 | ~1898 |
| Keith Powell | Son | — | 14 | ~1926 |
| Robert Powell | Son | — | 7 | ~1933 |
| Bert Powell | Son | — | 12 | ~1928 |
| John Powell | Son | — | 21 | ~1919 |
| Ruth Powell | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Uintah, Utah
Daughter, age
Uintah, Utah · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Uintah-County, Utah
Daughter, age 10
Uintah-County, Utah · implied b. ~1930 — 10 household members
| Surname | Powell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | North Vernal Precinct 14, Ashley |
| 1935 Residence (County) | Uintah |
| Highest Grade | G 3 |
| 1935 Residence | Same house |
| 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 Powell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Powell
Daughter · 1940 · age 10 · b. ~1930 · Utah
★ You are viewing this record
Sibling
Bert Powell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Keith Powell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Powell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Powell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Powell
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Powell
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Powell
Sibling · 1940 · age 2
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 — Uintah-County, Utah
Open full size
1940 US Federal Census — Uintah-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04218-00807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter H Long | 11 | Son | — | Utah |
| 2 | Jerry W Long | 3 | Son | — | Utah |
| 3 | Foster Long | 39 | Head | Farmer | Missouri |
| 4 | Minnie S Long | 31 | Wife | — | Utah |
| 5 | Eugene Long | 15 | Son | Sheep Herder | Utah |
| 6 | George Long | 13 | Son | — | Utah |
| 7 | Willard Rasmussen | 31 | Head | Labour | Utah |
| 8 | Nora D Rasmussen | 30 | Wife | — | Utah |
| 9 | Willard H Rasmussen | 10 | Son | — | Utah |
| 10 | Daniel B Rasmussen | 5 | Son | — | Utah |
| 11 | Elizabeth A Long | 49 | Head | — | Utah |
| 12 | Sylvia Long | 16 | Daughter | — | Utah |
| 13 | Verner Long | 14 | Son | — | Utah |
| 14 | John Powell | 42 | Head | Farmer | Utah |
| 15 | Ruth X Powell | 39 | Wife | — | Utah |
| 16 | John Jr Powell | 21 | Son | New Worker | Utah |
| 17 | Dorothy Powell | 17 | Daughter | — | Utah |
| 18 | Keith Powell | 14 | Son | — | Utah |
| 19 | Bert Powell | 12 | Son | — | Utah |
| 20 | Mary Powell THIS PERSON | 10 | Daughter | — | Utah |
| 21 | Robert Powell | 7 | Son | — | Utah |
| 22 | Betty Powell | 5 | Daughter | — | Utah |
| 23 | Alice Powell | 2 | Daughter | — | Utah |
| 24 | William S Powell | 44 | Head | Butter Maker | Utah |
| 25 | Iva D Powell | 32 | Wife | — | Utah |
| 26 | Gay Powell | 13 | Daughter | — | Utah |
| 27 | Neta Powell | 12 | Daughter | — | Utah |
| 28 | William Powell | 10 | Son | — | Utah |
| 29 | Stephen Powell | 7 | Son | — | Utah |
| 30 | Rayne Powell | 1 | Daughter | — | Utah |
| 31 | William Hansen | 26 | Head | Farmer | Utah |
| 32 | Balustra A Hansen | 25 | Wife | — | Utah |
| 33 | David A Hansen | 2 | Son | — | Montana |
| 34 | Henry Rhoads | 74 | Head | — | Illinois |
| 35 | Slanda Rhoads | 69 | Wife | — | Utah |
| 36 | Roy Rhoads | 30 | Son | Labour | Utah |
| 37 | Nellie Rhoads | 30 | In law | — | Oregon |
| 38 | Wilbert Rhoads | 27 | Son | Sheepherder | Utah |
| 39 | James K Long | 22 | Head | Labour | Utah |
| 40 | Theresa H Long | 21 | Wife | — | 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)