AM
Alice Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Alice Mason across the 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Mason |
| Given Name | Alice A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Murray |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Precinct 6 |
| Est. Birth Year | ~1924 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| William Mason | Son | — | 21 | ~1919 |
| Alice Mason | Daughter | — | 16 | ~1924 |
| William Mason | Head | — | 76 | ~1864 |
| Charlene Mason | Daughter | — | 14 | ~1926 |
| Lawrence Mason | Son | — | 2 | ~1938 |
| Alice Mason | Spouse | — | 70 | ~1870 |
Census Appearances
1930
Salt Lake, …
Daughter, age 6
Salt Lake, Utah · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Alice R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Utah |
| Age at First Marriage | 6 |
| Father's Birthplace | England |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 16
Salt-Lake-County, Utah · implied b. ~1924 — 6 household members
| Surname | Mason |
| Given Name | Alice A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Murray |
| 1935 Residence (County) | Salt Lake |
| Highest Grade | H 2 |
| 1935 Residence | Utah |
| 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 Alice Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Mason
Daughter · 1940 · age 16 · b. ~1924 · Utah
★ You are viewing this record
Sibling
Lawrence Mason
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mason
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlene Mason
Sibling · 1940 · age 14
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 — 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-t0627-04216-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Beverly Howard | 7 | Daughter | — | Utah |
| 42 | Janiel Howard | 2 | Daughter | — | Utah |
| 43 | William C. Mason | 76 | Head | Painter | England |
| 44 | Alice J. Mason | 70 | Wife | — | Idaho |
| 45 | """William M. """"Al""""""" Mason | 21 | Son | — | Utah |
| 46 | Alice A. Mason THIS PERSON | 16 | Daughter | — | Utah |
| 47 | Charlene R. Mason | 14 | Daughter | — | Utah |
| 48 | Lawrence H. Mason | 2 | Son | — | Utah |
| 49 | Lawrence H. Hale | 45 | Head | Hammer Operator | Utah |
| 50 | Estella Hale | 44 | Wife | — | Utah |
| 51 | Mervin @ Naylor | 42 | Head | Sample Bucker | Utah |
| 52 | Lottie A. Naylor | 36 | Wife | — | Utah |
| 53 | Mervin G. Naylor | 16 | Son | — | Utah |
| 54 | Nadine Naylor | 8 | Daughter | — | Utah |
| 55 | Howard V. Richards | 24 | Head | Carpenter | Utah |
| 56 | Roma E. @ Richards | 22 | Wife | — | Idaho |
| 57 | James J. Richards | 2 | Son | — | Utah |
| 58 | Ray Christensen | 27 | Head | Electrician | Utah |
| 59 | Alzada @ Christensen | 22 | Wife | — | Utah |
| 60 | Colin H. Wood | 37 | Head | Bookkeeper | Utah |
| 61 | Robert C. Wood | 14 | Son | — | Utah |
| 62 | Lois N. Wood | 10 | Daughter | — | Utah |
| 63 | Neal C. Wood | 2 | Son | — | Utah |
| 64 | Arthur K. Murphy | 39 | Brother-in-law | Salesman | Utah |
| 65 | E. La Preal @ Murphy | 36 | Sister | — | Utah |
| 66 | Carol L. Murphy | 6 | Niece | — | Utah |
| 67 | Joy Ann Murphy | 5 | Niece | — | Utah |
| 68 | Glen L. @ Simpson | 28 | Head | Truck Driver | Utah |
| 69 | Evalina V. Simpson | 32 | Wife | — | Utah |
| 70 | Luven E. Simpson | 7 | Daughter | — | Utah |
| 71 | Gail J. Simpson | 0 | Daughter | — | Utah |
| 72 | George E. Carrigan | 61 | Head | Lineman | Utah |
| 73 | Ida R. @ Carrigan | 60 | Wife | — | Utah |
| 74 | Grant Carrigan | 22 | Son | Plow Operator | Utah |
| 75 | Merrill @ Henry | 44 | Head | Teamster | Utah |
| 76 | Violet Henry | 42 | Wife | — | Nevada |
| 77 | """Maurice """"Al""""""" Henry | 21 | Son | Miner | Utah |
| 78 | Mildred Henry | 17 | Daughter | Typist | Utah |
| 79 | """Lawrence L. """"Al""""""" Henry | 17 | Son | Laborer | Utah |
| 80 | Leora Henry | 12 | Daughter | — | 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)