IR
Ida Roberts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Ida Roberts across the 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Roberts |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Class of Worker | H |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1910 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Wallace Roberts | Head | — | 33 | ~1907 |
| Ida Roberts | Spouse | — | 30 | ~1910 |
| Gloria Roberts | Daughter | — | 10 | ~1930 |
| Joan Roberts | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Salt Lake, …
Spouse, age 20
Salt Lake, Utah · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Ila |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 18 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Spouse, age 30
Salt-Lake-County, Utah · implied b. ~1910 — 4 household members
| Surname | Roberts |
| Given Name | Ida |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Class of Worker | H |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 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 Ida Roberts across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ida Roberts
Spouse · 1940 · age 30 · b. ~1910 · Utah
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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
39 people indexed on this census page (nara:1940:m-t0627-04226-00089)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles D. Mclean | 28 | Head | Plasterer | Utah |
| 2 | Martha Mclean | 26 | Wife | — | El Salvador |
| 3 | Charles Mclean | 5 | Son | — | El Salvador |
| 4 | Franklin L. Mclean | 51 | Head | Agent | Utah |
| 5 | Cora Mclean | 49 | Wife | — | Holland |
| 6 | Afton Mclean | 25 | Daughter | Clerk | Utah |
| 7 | Franklin Jr. Mclean | 19 | Son | — | Utah |
| 8 | Thomas Mclean | 17 | Son | — | Utah |
| 9 | Barbara Mclean | 12 | Daughter | — | Utah |
| 11 | M. Dean Catmull | 31 | Head | Policeman | Calif |
| 12 | Vera Catmull | 32 | Wife | — | Utah |
| 13 | Majorie Catmull | 10 | Daughter | — | Utah |
| 14 | William D. Catmull | 8 | Son | — | Utah |
| 15 | Joyce Catmull | 6 | Daughter | — | Utah |
| 16 | Allen Nelson | 34 | Head | Machinist | Utah |
| 17 | Ruby Nelson | 24 | Wife | — | Utah |
| 18 | Bruce Nelson | 10 | Son | — | Utah |
| 19 | Homer Black | 44 | Head | Mail Carrier | Utah |
| 20 | Elaine Black | 18 | Daughter | Typist | Utah |
| 21 | Enid Black | 15 | Daughter | — | Utah |
| 22 | Homer Jr. Black | 12 | Son | — | Utah |
| 23 | Neil Black | 9 | Son | — | Utah |
| 24 | Kent Black | 8 | Son | — | Utah |
| 25 | Willard W. Davis | 30 | Head | Bottler | Utah |
| 26 | Alanson Davis | 26 | Wife | — | Utah |
| 27 | Gary M. Davis | 8 | Son | — | Utah |
| 28 | Ralph M. Davis | 4 | Son | — | Utah |
| 29 | Martha Catmull | 65 | Head | — | Utah |
| 30 | Al Lenzie | 28 | Head | Carpenter | Utah |
| 31 | Ruth Lenzie | 29 | Wife | Telephone Oper. | Utah |
| 32 | Wallace Roberts | 33 | Head | Repairman | Iowa |
| 33 | Ida Roberts THIS PERSON | 30 | Wife | — | Utah |
| 34 | Gloria Roberts | 10 | Daughter | — | Utah |
| 35 | Joan Roberts | 4 | Daughter | — | Utah |
| 36 | Lo Clark | 35 | Head | Lo. Fireman | Utah |
| 37 | Iena Clark | 33 | Wife | — | Utah |
| 38 | Ralph Clark | 5 | Son | — | Utah |
| 39 | Mary B. Sorensen | 31 | Head | — | Utah |
| 40 | Lila Jean Sorensen | 9 | 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)