JC
John Cunningham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Utah-County, Utah
Our Model Tree links this John Cunningham across the 1910, 1920, 1930 and 1940 US Censuses in Utah-County, Utah (XGBoost, ~Confirmed), with identified parents James & Mary — first a head (b.~1899), then head of a 4-person household.
Age 41
b. ~1899
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Utah-County, Utah |
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | American Fork |
| 1935 Residence (County) | Utah |
| Additional Details | |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 500 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Laborer |
| Township / Ward | American Fork |
| Est. Birth Year | ~1899 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Darlene Cunningham | Daughter | — | 14 | ~1926 |
| Idona Cunningham | Daughter | — | 9 | ~1931 |
| John Cunningham | Head | — | 41 | ~1899 |
| Linnie Cunningham | Spouse | — | 36 | ~1904 |
Census Appearances
1910
Utah, Utah
Son, age 11
Utah, Utah · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1920
Utah, Utah
Son, age 21
Utah, Utah · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Denmark |
| Occupation | Farm laborer |
| Industry | At Home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Utah, Utah
Head, age 31
Utah, Utah · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 25 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Cement Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 6.00 |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Utah-County, Utah
Head, age 41
Utah-County, Utah · implied b. ~1899 — 4 household members
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | American Fork |
| 1935 Residence (County) | Utah |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 500 |
| Highest Grade | Hs 1 |
| 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 Cunningham across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Cunningham (~0.92 confidence) and mother Mary Cunningham (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Cunningham
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Mary Cunningham
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cunningham
Head · 1940 · age 41 · b. ~1899 · 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 — Utah-County, Utah
Open full size
1940 US Federal Census — Utah-County, Utah
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04219-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Philips | 3 | Son | — | Utah |
| 2 | Glen Philips | 1 | Son | — | Utah |
| 4 | Lew Cunningham | 52 | Head | Laborer | Utah |
| 5 | Ruby Carlson | 43 | Sister | New House | Utah |
| 6 | Richard Carlson | 20 | Nephew | Laborer | Utah |
| 7 | John Cunningham THIS PERSON | 41 | Head | Laborer | Utah |
| 8 | Linnie Cunningham | 36 | Wife | — | Utah |
| 9 | Darlene Cunningham | 14 | Daughter | — | Utah |
| 10 | Idona Cunningham | 9 | Daughter | — | Utah |
| 11 | Dell Fox | 32 | Head | Lineman | Canada |
| 12 | Beatrice Fox | 26 | Wife | — | Utah |
| 13 | Joy Fox | 6 | Daughter | — | Utah |
| 14 | Peggy Fox | 4 | Daughter | — | Utah |
| 15 | Daughter Fox | 1 | Daughter | — | Utah |
| 16 | Leonard Robinson | 43 | Head | Egg Candler | Utah |
| 17 | Vera Robinson | 35 | Wife | — | Utah |
| 18 | Lois Robinson | 17 | Daughter | — | Utah |
| 19 | Lorraine Robinson | 14 | Daughter | — | Utah |
| 20 | Alvin Robinson | 48 | Head | Carpenter | Utah |
| 21 | Verna Robinson | 39 | Wife | — | Utah |
| 22 | Paul Robinson | 17 | Son | — | Utah |
| 23 | Shirley Robinson | 13 | Daughter | — | Utah |
| 24 | Mary Ann Robinson | 11 | Daughter | — | Utah |
| 25 | Coralene Robinson | 4 | Daughter | — | Utah |
| 26 | Ross Cunningham | 42 | Head | Laborer | Utah |
| 27 | Lilla Cunningham | 40 | Wife | Cook | Utah |
| 28 | James Cunningham | 16 | Son | — | Utah |
| 29 | Leona Cunningham | 12 | Daughter | — | Utah |
| 30 | Beth Cunningham | 8 | Daughter | — | Utah |
| 32 | Jacob J. Brown | 51 | Head | Laborer | Wyoming |
| 33 | Gertrude Brown | 48 | Wife | — | California |
| 34 | Ernest C. Dewitt | 53 | Head | Attendant | Canada |
| 35 | Russell E. Dewitt | 24 | Son | Brakeman | Canada |
| 36 | Harvey Mcneil | 43 | Head | Chicken Man | New Mexico |
| 37 | Mabel Mcneil | 44 | Wife | — | Wyoming |
| 38 | Alfra Mcneil | 20 | Daughter | — | Utah |
| 39 | Allan T. Mcneil | 4 | Son | — | Utah |
| 40 | Matilda Edwards | 53 | Head | — | Utah |
Pedigree Summary
John
Gen 1 · 2 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)