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John Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this John Mitchell across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Rollin & Rollin — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Mitchell |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Civil Engineer |
| Industry | Power & Light |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1250 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Civil Engineer |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1917 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Rollin Mitchell | Head | — | 58 | ~1882 |
| John Mitchell | Son | — | 23 | ~1917 |
| Laura Mitchell | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Salt Lake, …
Son, age 3
Salt Lake, Utah · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Maryland |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 13
Salt Lake, Utah · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Son, age 23
Salt-Lake-County, Utah · implied b. ~1917 — 3 household members
| Surname | Mitchell |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Civil Engineer |
| Industry | Power & Light |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1250 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| 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 John Mitchell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Rollin Mitchell (~0.92 confidence) and father Rollin Mitchell (~0.92 confidence) and father Rollin Mitchell (~0.92 confidence) and mother Laura Mitchell (~0.92 confidence) and mother Laura Mitchell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Rollin Mitchell
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Rollin Mitchell
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Rollin Mitchell
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Laura Mitchell
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Laura Mitchell
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mitchell
Son · 1940 · age 23 · b. ~1917 · 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-t0627-04223-01052)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Dalton | 47 | Head | Cutter | Missouri |
| 2 | Willis S Dalton | 23 | Son | Asst Cutter | Kansas |
| 3 | Nellarmae Dalton | 9 | Daughter | — | Utah |
| 4 | Ralph H Fullerton | 54 | Head | Salesman | Ohio |
| 5 | Mary H Fullerton | 49 | Wife | — | Utah |
| 6 | Mary B Fullerton | 24 | Daughter | Typist | Utah |
| 7 | Alice M Fullerton | 22 | Daughter | Typist | Utah |
| 8 | Ralph H Fullerton | 19 | Son | — | Utah |
| 9 | Wilford Craven | 42 | Head | Printer | England |
| 10 | Mary Craven | 43 | Wife | — | England |
| 11 | Willard G Craven | 15 | Son | — | Utah |
| 12 | Norville Craven | 13 | Son | — | Utah |
| 13 | Yvonne Craven | 9 | Daughter | — | Utah |
| 14 | Rollin M Mitchell | 58 | Head | Purchasing Agent | Pennsylvania |
| 15 | Laura A Mitchell | 51 | Wife | — | Maryland |
| 16 | John F Mitchell THIS PERSON | 23 | Son | Civil Engineer | Utah |
| 17 | Judith Lundquist | 51 | Head | — | Sweden |
| 18 | Ruth Lundquist | 19 | Daughter | Waitress | Sweden |
| 19 | Milton Lundquist | 16 | Son | — | Utah |
| 20 | William Lundquist | 12 | Son | — | Utah |
| 21 | Judy Lundquist | 10 | Daughter | — | Utah |
| 22 | Harold E Troyer | 47 | Head | Salesman | Michigan |
| 23 | La Vergne Troyer | 36 | Wife | — | Iowa |
| 24 | Lawton Clark | 15 | Step Son | — | Colorado |
| 25 | Carol Clark | 14 | Step Daughter | — | Colorado |
| 26 | Orrin Fisher | 51 | Head | Assayer | Utah |
| 27 | Isabel W Fisher | 47 | Wife | — | Utah |
| 28 | Calvin W Fisher | 17 | Son | — | Utah |
| 29 | Charles B Luckey | 65 | Head | Grocer | Missouri |
| 30 | Sonona Luckey | 55 | Wife | Clerk | California |
| 31 | Martin Mure | 36 | Head | Attendant | Holland |
| 32 | Allie Mure | 30 | Wife | — | Hawaii |
| 33 | Howard Owen | 40 | Head | Forest Guard | Utah |
| 34 | Creighton Owen | 9 | Son | — | California |
| 35 | Wayne Owen | 4 | Son | — | Utah |
| 36 | Lucille Quayle | 33 | Servant | House Keeper | Utah |
| 37 | George R Bollschweiler | 37 | Head | Salesman | Utah |
| 38 | Verda Bollschweiler | 36 | Wife | — | Utah |
| 39 | Joy Bollschweiler | 10 | Daughter | — | Utah |
| 40 | Robert Bollschweiler | 7 | Son | — | Utah |
Pedigree Summary
John
Gen 1 · 5 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)