JN
John Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Iowa
Our Model Tree links this John Nelson across the 1920, 1930 and 1940 US Censuses in Linn-County, Iowa (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Iowa |
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Delivery Boy |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 64 |
| Income (1939) | 820 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Delivery Boy |
| Township / Ward | Marion |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elsie Nelson | Daughter | — | 27 | ~1913 |
| Eleanor Nelson | Daughter | — | 25 | ~1915 |
| Fred Nelson | Head | — | 58 | ~1882 |
| John Nelson | Son | — | 23 | ~1917 |
| Esther Nelson | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Linn, Iowa
Son, age 3
Linn, Iowa · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Son, age 13
Linn, Iowa · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Linn-County, Iowa
Son, age 23
Linn-County, Iowa · implied b. ~1917 — 5 household members
| Surname | Nelson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Linn |
| Occupation | Delivery Boy |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 64 |
| Income (1939) | 820 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Nelson (~0.92 confidence) and father Fred Nelson (~0.92 confidence) and father Fred Nelson (~0.92 confidence) and mother Esther Nelson (~0.92 confidence) and mother Esther Nelson (~0.92 confidence) and mother Esther Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Nelson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Fred Nelson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Fred Nelson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Esther Nelson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Esther Nelson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Esther Nelson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Nelson
Son · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
Eleanor Nelson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Nelson
Sibling · 1940 · age 27
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 — Linn-County, Iowa
Open full size
1940 US Federal Census — Linn-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01175-00523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter Louis Coon | 11 | Son | — | Iowa |
| 42 | Alfred E. Pantel | 25 | Head | Teacher | Iowa |
| 43 | Marjorie Pantel | 26 | Wife | — | Iowa |
| 44 | Alfred E. Iii Pantel | 3 | Son | — | Iowa |
| 45 | William Jack Pantel | 2 | Son | — | Iowa |
| 46 | O. W. Lundquist | 41 | Head | Civil Engineer | Minnesota |
| 47 | Ann Marie Lundquist | 39 | Wife | — | Illinois |
| 48 | William Allen Lundquist | 5 | Son | — | Illinois |
| 49 | Enid Bessie Lundquist | 1 | Daughter | — | Iowa |
| 50 | Gertrude Elson | 44 | Head | Clerk | Iowa |
| 51 | William H. Domer | 64 | Head | Painter | Iowa |
| 52 | Kenneth Domer | 36 | Son | Clerk | Iowa |
| 53 | Ruth H. Domer | 35 | Daughter-in-law | Telephone Operator | Iowa |
| 54 | Thomas Allen Domer | 9 | Grandson | — | Iowa |
| 55 | Ruth Engstrom | 41 | Head | Music Teacher | Iowa |
| 56 | C. F. Daggers | 60 | Head | Proprietor | Iowa |
| 57 | Helen Daggers | 39 | Wife | — | Iowa |
| 58 | Melvin Daggers | 17 | Son | Labor | Iowa |
| 59 | Darlene Daggers | 15 | Daughter | — | Iowa |
| 60 | Enid Blood Daggers | 45 | Sister-in-law | — | Iowa |
| 61 | Fred Nelson | 58 | Head | Car Inspector | Sweden |
| 62 | Esther N. Nelson | 53 | Wife | — | Sweden |
| 63 | Elsie Nelson | 27 | Daughter | — | Iowa |
| 64 | Eleanor Nelson | 25 | Daughter | Operator | Iowa |
| 65 | John Nelson THIS PERSON | 23 | Son | Delivery Boy | Iowa |
| 66 | William L. Dye | 80 | Head | — | Iowa |
| 67 | Hannah Carlberg | 61 | Head | — | Sweden |
| 68 | Alice Carlberg | 27 | Daughter | Office Girl | Iowa |
| 69 | Ira Dye Minor | 64 | Head | — | Iowa |
| 70 | Harlan A. Minor | 40 | Son | Salesman | Iowa |
| 71 | Dye Jeanne Minor | 17 | Granddaughter | — | Iowa |
| 72 | June Fuller | 24 | Head | Waitress | Iowa |
| 73 | Waneta Fuller | 7 | Daughter | — | Iowa |
| 74 | Lula May Fuller | 5 | Daughter | — | Iowa |
| 75 | Fountain Covington | 62 | Father | — | Tennessee |
| 76 | Nora Covington | 61 | Mother | — | Pennsylvania |
| 77 | Hubert Covington | 24 | Brother | Roller Man | Arkansas |
| 78 | Walter G. Hall | 45 | Head | Partner Manager | Illinois |
| 79 | Myrtle Hall | 48 | Wife | — | Iowa |
| 80 | Richard Hall | 17 | Son | — | Illinois |
Pedigree Summary
John + 2 siblings
Gen 1 · 6 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)