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John Riley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this John Riley across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Ray & Ray — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Riley |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Murray City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 700 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Laborer |
| Township / Ward | Murray City |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Riley | Daughter | — | 9 | ~1931 |
| Barbara Riley | Daughter | — | 5 | ~1935 |
| Shirley Riley | Daughter | — | 2 | ~1938 |
| John Riley | Head | — | 31 | ~1909 |
| Maggie Riley | Other | — | 52 | ~1888 |
| George Riley | Son | — | 8 | ~1932 |
| Vera Riley | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Salt Lake, …
Son, age 10
Salt Lake, Utah · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 21
Salt Lake, Utah · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| Age at First Marriage | 20 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Paper Sampler |
| Industry | Paper Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Head, age 31
Salt-Lake-County, Utah · implied b. ~1909 — 7 household members
| Surname | Riley |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Murray City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 700 |
| Highest Grade | H 3 |
| 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 Riley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ray Riley (~0.92 confidence) and father Ray Riley (~0.92 confidence) and mother Melba Riley (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ray Riley
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Ray Riley
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Melba Riley
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Riley
Head · 1940 · age 31 · b. ~1909 · 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-t0627-04216-00828)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. Henry Lundquist | 39 | Head | Blast Furnace Tapper | Utah |
| 2 | Hilda Lundquist | 34 | Wife | — | Utah |
| 3 | Farrel Lundquist | 12 | Son | — | Utah |
| 4 | Zina Lou Lundquist | 8 | Daughter | — | Utah |
| 5 | Joseph Sam Lundquist | 4 | Son | — | Utah |
| 6 | Virgil A. Langford | 58 | Head | Laborer General Man | Missouri |
| 7 | Betty Langford | 57 | Wife | — | Missouri |
| 8 | John Panoian | 52 | Head | Laborer Ore Roaster | Armenia |
| 9 | Everett Langford | 24 | Head | Sample Cutter | Iowa |
| 10 | Dorothy Langford | 24 | Wife | — | Utah |
| 11 | Clyde Langford | 2 | Son | — | Utah |
| 12 | John R. Riley THIS PERSON | 31 | Head | Laborer | Utah |
| 13 | Vera Riley | 28 | Wife | — | Utah |
| 14 | Alice Lou Riley | 9 | Daughter | — | Utah |
| 15 | George Riley | 8 | Son | — | Utah |
| 16 | Barbara J. Riley | 5 | Daughter | — | Utah |
| 17 | Shirley Ann Riley | 2 | Daughter | — | Utah |
| 18 | Maggie Riley | 52 | Mother | — | Utah |
| 19 | Antony Reinholt | 26 | Head | Brick Mason | New Mexico |
| 20 | Carlie Reinholt | 23 | Wife | — | Utah |
| 21 | Carlie Ann Reinholt | 1 | Daughter | — | Utah |
| 22 | Adolph G. Holsch | 23 | Head | Bar Tender | Utah |
| 23 | Norma Holsch | 23 | Wife | — | Utah |
| 24 | Normajean Holsch | 2 | Daughter | — | Utah |
| 25 | Eric Wall | 47 | Head | Color Foreman | Sweden |
| 26 | Mammi Wall | 40 | Wife | — | Sweden |
| 27 | Ruby Wall | 20 | Daughter | Assistant | Utah |
| 28 | Ruth Wall | 16 | Daughter | — | Utah |
| 29 | Alice Wall | 12 | Daughter | — | Utah |
| 30 | Laura Wall | 10 | Daughter | — | Utah |
| 31 | Violet Wall | 8 | Daughter | — | Utah |
| 32 | Janet Wall | 4 | Daughter | — | Utah |
| 33 | Ida Sandstrom | 67 | Head | — | Finland |
| 34 | Gustave Engman | 43 | Head | — | Finland |
| 35 | Fannie Engman | 40 | Wife | — | Finland |
| 36 | Arthur Engman | 11 | Son | — | Utah |
| 37 | Beda L. Erickson | 64 | Head | — | Sweden |
| 38 | Gus Bjorklund | 55 | Head | Miner | Finland |
| 39 | Mary Bjorklund | 62 | Wife | — | Denmark |
| 40 | Leroy Healy | 30 | Head | Time Keeper | Utah |
Pedigree Summary
John
Gen 1 · 3 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)