MS
Martha Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Martha Smith across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 3-person household.
Age 65
b. ~1875
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1875 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| John Smith | Head | — | 79 | ~1861 |
| Arthur Smith | Son | — | 24 | ~1916 |
| Martha Smith | Spouse | — | 65 | ~1875 |
Census Appearances
1900
Salt Lake, …
Spouse, age 26
Salt Lake, Utah · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | England |
| Birth Month | Aug |
| Birth Year | 1874 |
| Year of Immigration | 1877 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1910
Salt Lake, …
Spouse, age 36
Salt Lake, Utah · implied b. ~1874 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 17 |
| Children Born | 8 |
| Children Living | 6 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Salt Lake, …
Spouse, age 46
Salt Lake, Utah · implied b. ~1874 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1893 |
| Birthplace (normalized) | england |
1930
Salt Lake, …
Spouse, age 56
Salt Lake, Utah · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1876 |
| Age at First Marriage | 19 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Salt-Lake-County, Utah
Spouse, age 65
Salt-Lake-County, Utah · implied b. ~1875 — 3 household members
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 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 Martha Smith across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Smith
Spouse · 1940 · age 65 · b. ~1875 · Utah
★ You are viewing this record
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-t0627-04223-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sanford R. Leverton | 27 | Head | Dispatcher | Washington |
| 42 | Marie R. Leverton | 28 | Wife | Stenographer | Chicago |
| 43 | Janet D. Leverton | 5 | Daughter | — | Nevada |
| 44 | Karen M. Leverton | 2 | Daughter | — | Utah |
| 45 | Florence A. Carrick | 64 | Head | — | Utah |
| 46 | Extra Line Carrick | None | — | — | — |
| 47 | Warner Tschaggeny | 26 | Head | Projectionist | Switzerland |
| 48 | Gladys E. Tschaggeny | 29 | Wife | — | Utah |
| 49 | Joyce V. Tschaggeny | 1 | Daughter | — | Utah |
| 50 | Karl Tschaggeny | 60 | Head | Cabinet Maker Manager | Switzerland |
| 51 | Louise E. Tschaggeny | 60 | Wife | Manager | Switzerland |
| 52 | Cora E. Westoby | 55 | Head | — | Utah |
| 53 | Sidney Westoby | 56 | Husband | Laborer | England |
| 54 | William L. Barber | 7 | Son | Salesman | Utah |
| 55 | Bernard D. Pelsma | 41 | Head | Clerk | Chicago |
| 56 | Norma S. Pelsma | 38 | Wife | — | Utah |
| 57 | Bernard D. Pelsma | 10 | Son | — | Utah |
| 58 | James M. Pelsma | 4 | Son | — | Utah |
| 59 | James E. Mccarthy | 42 | Head | Traveling Freight Agent | Montana |
| 60 | Wilma C. Mccarthy | 39 | Wife | — | Utah |
| 61 | James E. Mccarthy | 9 | Son | — | Utah |
| 62 | Bernard B. Mccarthy | 4 | Son | — | Utah |
| 63 | Arthur J. Selander | 57 | Head | Accountant | Utah |
| 64 | Rachel V. Selander | 56 | Wife | — | Utah |
| 65 | Vaughn P. Selander | 23 | Son | — | Utah |
| 66 | Warren G. Dunn | 38 | Head | Salesman | California |
| 67 | Thelma D. Dunn | 36 | Wife | — | California |
| 68 | Maxine J. Dunn | 14 | Daughter | — | California |
| 69 | George Konnight | 64 | Head | Claim Adjuster | Wisconsin |
| 70 | Adelene Konnight | 42 | Wife | — | Texas |
| 71 | Claude Wells | 30 | Head | Money Guard | Wisconsin |
| 72 | Helen S. Wells | 23 | Wife | — | Connecticut |
| 73 | Claude Jr. Wells | 5 | Son | — | Utah |
| 74 | Helen C. Wells | 1 | Daughter | — | Utah |
| 75 | John H. Smith | 79 | Head | Watchman | Utah |
| 76 | Martha Smith THIS PERSON | 65 | Wife | — | England |
| 77 | Arthur C. Smith | 24 | Son | — | Utah |
| 78 | Harry W. Madsen | 50 | Head | Salesman | Idaho |
| 79 | Edith A. Madsen | 48 | Wife | — | Utah |
| 80 | Agnes Madsen | 21 | 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)