JE
John Ellis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Davis-County, Utah
Our Model Tree links this John Ellis across the 1920, 1930 and 1940 US Censuses in Davis-County, Utah (XGBoost, ~Confirmed), with identified parents Stephen & Nephi — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Davis-County, Utah |
| Surname | Ellis |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Farmington |
| 1935 Residence (County) | Davis |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Farmer |
| Township / Ward | Farmington |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Nephi Ellis | Head | — | 61 | ~1879 |
| Gordon Ellis | Son | — | 17 | ~1923 |
| John Ellis | Son | — | 29 | ~1911 |
| Gertrude Ellis | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Davis, Utah
Son, age 9
Davis, Utah · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Davis, Utah
Son, age 19
Davis, Utah · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Davis-County, Utah
Son, age 29
Davis-County, Utah · implied b. ~1911 — 4 household members
| Surname | Ellis |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Farmington |
| 1935 Residence (County) | Davis |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 30 |
| 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 John Ellis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Stephen Ellis (~0.92 confidence) and father Nephi Ellis (~0.92 confidence) and mother Gertrude Ellis (~0.92 confidence) and mother Gertrude Ellis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Stephen Ellis
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Nephi Ellis
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Gertrude Ellis
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Ellis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Ellis
Son · 1940 · age 29 · b. ~1911 · Utah
★ You are viewing this record
Sibling
Gordon Ellis
Sibling · 1940 · age 17
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 — Davis-County, Utah
Open full size
1940 US Federal Census — Davis-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04212-00226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kate Manous | 49 | Wife | — | Greece |
| 42 | George Manous | 21 | Son | Farm Helper | Utah |
| 43 | Helen Manous | 14 | Daughter | — | Florida |
| 44 | Katherine Manous | 13 | Daughter | — | Utah |
| 45 | Vernal Johnson | 27 | Head | Service Manager | Utah |
| 46 | Tressa Johnson | 26 | Wife | Beauty Instructor | Utah |
| 47 | Lucile Johnson | 2 | Daughter | — | Utah |
| 48 | William A. Smith | 51 | Head | Electrician | Utah |
| 49 | Jeanettem Smith | 52 | Wife | Postmistress | Utah |
| 50 | Helen Smith | 27 | Daughter | Sales Clerk | Utah |
| 51 | Lowell M. Smith | 18 | Son | Summer Work | Utah |
| 52 | Stuart R. Smith | 16 | Son | — | Utah |
| 53 | Emerson K. Smith | 14 | Son | — | Utah |
| 54 | Effie Turner | 54 | Head | Record Keeper | Utah |
| 55 | G. Leland Hess | 34 | Head | Farmer | Utah |
| 56 | Ruth I. Hess | 31 | Wife | — | Utah |
| 57 | Charlene Hess | 11 | Daughter | — | Utah |
| 58 | La Nell Hess | 8 | Daughter | — | Utah |
| 59 | Joyce Hess | 6 | Daughter | — | Utah |
| 60 | Ellen Mansell | 88 | Head | — | England |
| 61 | Nephi B. Ellis | 61 | Head | Fireman | Utah |
| 62 | Gertrude Ellis | 59 | Wife | — | Utah |
| 63 | John H. Ellis THIS PERSON | 29 | Son | Farmer | Utah |
| 64 | Gordon Ellis | 17 | Son | — | Utah |
| 65 | Henry Pierce | 51 | Head | Disabled Vet. | Utah |
| 66 | Sarah J. Pierce | 46 | Wife | — | Utah |
| 67 | Rex O. Pierce | 19 | Son | — | Utah |
| 68 | Ruth Pierce | 18 | Daughter | — | Utah |
| 69 | Bertha Pierce | 16 | Daughter | — | Utah |
| 70 | Arthur Pierce | 14 | Son | — | Utah |
| 71 | Margaret Pierce | 12 | Daughter | — | Utah |
| 72 | Ilean Pierce | 9 | Son | — | Utah |
| 73 | Elden Pierce | 7 | Son | — | Utah |
| 74 | Aliene Pierce | 3 | Daughter | — | Utah |
| 75 | Uella Rounds | 32 | Sister-in-law | House Keeper | Utah |
| 76 | Alma Kynaston | 56 | Head | Laborer | Utah |
| 77 | Pearl Kynaston | 54 | Wife | — | Utah |
| 78 | Sophie Smith | 75 | Mother-in-law | — | Utah |
| 79 | Henry Jr. Smith | 42 | Head | Lineman | Utah |
| 80 | Rosa Smith | 36 | Wife | — | Utah |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 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)