RE
Ruth Evans — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Ruth Evans across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Evans |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Electrical Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Stenographer |
| Township / Ward | Salt Lake |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Evans | Daughter | — | 21 | ~1919 |
| Laurence Evans | Head | — | 49 | ~1891 |
| Joseph Evans | Son | — | 19 | ~1921 |
| Mamie Evans | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Salt Lake, …
Daughter, age 1
Salt Lake, Utah · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 12
Salt Lake, Utah · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 21
Salt-Lake-County, Utah · implied b. ~1919 — 4 household members
| Surname | Evans |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake |
| 1935 Residence (County) | Salt Lake |
| Occupation | Stenographer |
| Industry | Electrical Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | H-4 |
| 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 Ruth Evans across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Evans (~0.92 confidence) and mother Mary Evans (~0.92 confidence) and father Laurence Evans (~0.92 confidence) and mother Mamie Evans (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Evans
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Mary Evans
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Laurence Evans
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Mamie Evans
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Evans
Daughter · 1940 · age 21 · b. ~1919 · Utah
★ You are viewing this record
Sibling
Joseph Evans
Sibling · 1940 · age 19
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
36 people indexed on this census page (nara:1940:m-t0627-04223-00047)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola G Curtis | 34 | Wife | — | Utah |
| 42 | Barbara Curtis | 12 | Daughter | — | Utah |
| 43 | Katherine Johnsen | 68 | Head | — | Denmark |
| 44 | Emma Johnsen | 38 | Daughter | Cosmetician | Utah |
| 45 | Drucilla Kenney | 59 | Head | — | Utah |
| 46 | Marjorie Kenney | 29 | Daughter | Packing Candy | Utah |
| 47 | Morris Cundick | 32 | Son-in-law | Carpenter | Utah |
| 48 | Bertha Cundick | 25 | Daughter | — | Utah |
| 49 | Carolyn Cundick | 0 | Granddaughter | — | Utah |
| 50 | George Ludwig | 25 | Head | Printer | Utah |
| 51 | Joyce Ludwig | 23 | Wife | — | Utah |
| 52 | Janet Ludwig | 3 | Daughter | — | Utah |
| 53 | Paul Ludwig | 18 | Brother | Office Work | Utah |
| 54 | Leone Morgan | 30 | Head | Office Work | Utah |
| 55 | Robert Morgan | 10 | Son | — | Utah |
| 56 | Jack Morgan | 6 | Son | — | Utah |
| 57 | John Atkinson | 47 | Head | Ware House | England |
| 58 | Myrtle Atkinson | 50 | Wife | — | Utah |
| 59 | Ruth Atkinson | 27 | Daughter | Stenographer | Utah |
| 60 | Lois Atkinson | 23 | Daughter | General Office Work | Utah |
| 61 | Jack Atkinson | 8 | Son | — | Utah |
| 62 | David H Fullmer | 22 | Head | Electrician | Idaho |
| 63 | Audrey Fullmer | 22 | Wife | — | Utah |
| 64 | Sharon B Fullmer | 2 | Daughter | — | Utah |
| 65 | Herbert Emery Pasek | 23 | Head | Furrier | Utah |
| 66 | Edna Pasek | 21 | Wife | — | Utah |
| 67 | Larry Herbert Pasek | 0 | Son | — | Utah |
| 71 | Laurence S Evans | 49 | Head | Book Keeping | Utah |
| 72 | Mamie Evans | 47 | Wife | — | Utah |
| 73 | Ruth Evans THIS PERSON | 21 | Daughter | Stenographer | Utah |
| 74 | Joseph Evans | 19 | Son | Delivery Work | Utah |
| 75 | Francis Fred Porter | 28 | Head | Fireman For Team | Utah |
| 76 | Florine Porter | 33 | Wife | — | Utah |
| 77 | Iris Louise Porter | 9 | Daughter | — | Utah |
| 78 | Francis Clifford Porter | 2 | Son | — | Utah |
| 79 | James Lorin Porter | 0 | Son | — | Utah |
Related Census Records
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)