JM
John Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this John Mason across the 1910, 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 6-person household.
Age 66
b. ~1874
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1874 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Irene Turvile | Daughter | — | 31 | ~1909 |
| John Mason | Head | — | 66 | ~1874 |
| Gaynell Turvile | Other | — | 9 | ~1931 |
| Vitzgerald Turvile | Other | — | 34 | ~1906 |
| Gerald Turvile | Son | — | 11 | ~1929 |
| Annie Mason | Spouse | — | 64 | ~1876 |
Census Appearances
1910
Salt Lake, …
Head, age 36
Salt Lake, Utah · implied b. ~1874 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 16 |
| Year of Immigration | 1902 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Gas Co |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Salt Lake, …
Head, age 46
Salt Lake, Utah · implied b. ~1874 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1904 |
| Naturalization Status | First papers filed |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Gas Worker |
| Industry | Utah Gas Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Salt Lake, …
Head, age 57
Salt Lake, Utah · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Salt-Lake-County, Utah
Head, age 66
Salt-Lake-County, Utah · implied b. ~1874 — 6 household members
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Highest Grade | 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 John Mason across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mason
Head · 1940 · age 66 · b. ~1874 · 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 — 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-t0627-04226-00079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jo Anne Conith | 8 | Daughter | — | Utah |
| 2 | Desmond L. Thomas | 27 | Head | Machinist | Idaho |
| 3 | Margaret Thomas | 37 | Wife | — | Utah |
| 4 | Desmond Thomas | 16 | Son | — | Idaho |
| 5 | Kenneth Thomas | 11 | Son | — | Idaho |
| 6 | Keith Thomas | 11 | Son | — | Idaho |
| 7 | Edward Thomas | 3 | Son | — | Utah |
| 8 | Lyman W. Anderson | 37 | Head | Dispatcher | Utah |
| 9 | Gwinnette Anderson | 35 | Wife | — | Utah |
| 10 | Richard L. Anderson | 11 | Son | — | Utah |
| 11 | Gloria G. Anderson | 9 | Daughter | — | Utah |
| 12 | Vesta M. Kelsey | 35 | Head | Housekeeper | Utah |
| 13 | Marlin W. Kelsey | 10 | Son | — | Utah |
| 14 | Dale M. Kelsey | 8 | Son | — | Utah |
| 15 | R. B. Maxfield | 66 | Sister | — | Utah |
| 16 | Wallace Baneil | 26 | Head | Cleaner | Utah |
| 17 | Viola Baneil | 24 | Wife | — | Wyoming |
| 18 | Gerald C. Baneil | 6 | Son | — | Utah |
| 19 | Beverly Jean Baneil | 2 | Daughter | — | Utah |
| 20 | Ted Strike | 34 | Head | Miner | Colorado |
| 21 | Leanor Strike | 26 | Wife | — | Wyoming |
| 22 | Lenna Strike | 7 | Daughter | — | Utah |
| 23 | Jackie Strike | 2 | Son | — | Utah |
| 24 | Wallace B. Poles | 60 | Head | Laborer | Utah |
| 25 | Daisy Poles | 54 | Wife | — | Utah |
| 26 | Sarah Poles | 30 | Son | Shoe Shiner | Utah |
| 27 | Stella Poles | 15 | Daughter | — | Utah |
| 28 | Lavern Poles | 11 | Daughter | — | Utah |
| 29 | Edward A. Burns | 51 | Head | — | Ill. |
| 30 | Gertrude Burns | 47 | Wife | — | Utah |
| 31 | John Burns | 16 | Son | — | Utah |
| 32 | George Burns | 14 | Son | — | Utah |
| 33 | Florence Burns | 12 | Daughter | — | Utah |
| 34 | Lawrence Burns | 9 | Son | — | Utah |
| 35 | John Mason THIS PERSON | 66 | Head | — | England |
| 36 | Annie V. Mason | 64 | Wife | — | England |
| 37 | Vitzgerald Turvile | 34 | Son-in-law | Laborer | Utah |
| 38 | Irene Turvile | 31 | Daughter | — | Utah |
| 39 | Gerald Turvile | 11 | Son | — | Utah |
| 40 | Gaynell Turvile | 9 | Granddaughter | — | 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)