GJ
Grace Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Grace Jackson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Alfred & Harrison — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1916 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Ruth Jackson | Daughter | — | 20 | ~1920 |
| Douglas Jackson | Son | — | 15 | ~1925 |
| Harrison Jackson | Head | — | 62 | ~1878 |
| Grace Jackson | Daughter | — | 24 | ~1916 |
Census Appearances
1920
Salt Lake, …
Daughter, age 4
Salt Lake, Utah · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Grace A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 14
Salt Lake, Utah · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 24
Salt-Lake-County, Utah · implied b. ~1916 — 4 household members
| Surname | Jackson |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Income (1939) | 0 |
| Highest Grade | Hs 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 Grace Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Jackson (~0.92 confidence) and father Harrison Jackson (~0.92 confidence) and mother Lillian Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Jackson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Harrison Jackson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Lillian Jackson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Jackson
Daughter · 1940 · age 24 · b. ~1916 · Utah
★ You are viewing this record
Sibling
Douglas Jackson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Jackson
Sibling · 1940 · age 20
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
40 people indexed on this census page (nara:1940:m-t0627-04226-00117)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Tomlinson | 63 | Head | — | Utah |
| 2 | Edward Tomlinson | 34 | Son | Butcher | Utah |
| 3 | Evelyn Tomlinson | 30 | Daughter | Beauty Operator | Utah |
| 4 | Marjorie Moffat | 21 | Daughter | — | Utah |
| 5 | De Witt Moffat | 24 | Son-in-law | Labor | Utah |
| 6 | Harrison Jackson | 62 | Head | Railroad Engineer | England |
| 7 | Grace Jackson THIS PERSON | 24 | Daughter | — | Utah |
| 8 | Ruth Jackson | 20 | Daughter | Policy Writer | Utah |
| 9 | Douglas Jackson | 15 | Son | — | Utah |
| 10 | George Marsh | 39 | Head | Fireman | Utah |
| 11 | Amy Marsh | 35 | Wife | — | Utah |
| 12 | Adalell Marsh | 17 | Daughter | — | Utah |
| 13 | Carol Marsh | 15 | Daughter | — | Utah |
| 14 | Jane Marsh | 13 | Daughter | — | Idaho |
| 15 | John Grace | 57 | Head | Labor | Utah |
| 16 | Mary Grace | 55 | Wife | — | Utah |
| 17 | Ray Gibbs | 24 | Head | Switch Fireman | Utah |
| 18 | Clare Gibbs | 22 | Wife | — | Utah |
| 19 | Clara Gibbs | 2 | Daughter | — | Utah |
| 20 | Infant Gibbs | 0 | Son | — | Utah |
| 21 | James O Roakes | 39 | Head | Taxi Driver | Idaho |
| 22 | Ruth Roakes | 30 | Wife | — | Utah |
| 23 | Renee Roakes | 9 | Daughter | — | Utah |
| 24 | William Barnes | 46 | Head | Locomotive Fireman | Arkansas |
| 25 | Sylvia Barnes | 38 | Wife | — | Utah |
| 26 | Richard Barnes | 17 | Son | — | Utah |
| 27 | Bernice Barnes | 13 | Daughter | — | Utah |
| 28 | Howard Fisher | 30 | Head | Truck Driver | Utah |
| 29 | Hazel Fisher | 26 | Wife | — | Utah |
| 30 | Don Fisher | 8 | Son | — | Utah |
| 31 | Jack Fisher | 7 | Son | — | Utah |
| 32 | Wayne Fisher | 5 | Son | — | Utah |
| 33 | Sharon Fisher | 2 | Daughter | — | Utah |
| 34 | Emma Williams | 87 | Head | — | Utah |
| 35 | James B Williams | 48 | Husband | Electrician | Utah |
| 36 | Clara Williams | 26 | Daughter | Waitress | Utah |
| 37 | James Williams | 20 | Son | Waiter | Utah |
| 38 | Darlene Williams | 11 | Daughter | — | Utah |
| 39 | Barbara Bodner | 6 | Grandchild | — | Utah |
| 40 | Oren Davis | 28 | Head | Cement Finisher | Wyoming |
Pedigree Summary
Grace + 2 siblings
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)