AN
Alfred Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this Alfred Nelson across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed), with identified parents Peter & Agusta — first a son (b.~1883), then head of a 2-person household.
Age 57
b. ~1883
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Nelson |
| Given Name | Alfred A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Joint Owner |
| Industry | Lumber Yard |
| Class of Worker | E |
| Hours Worked | 48 |
| Income (1939) | 73 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Joint Owner |
| Township / Ward | Boone City |
| Est. Birth Year | ~1883 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alfred | Age | Birth yr |
|---|---|---|---|---|
| Alfred Nelson | Son | — | 57 | ~1883 |
| Augusta Nelson | Head | — | 80 | ~1860 |
Census Appearances
1920
Boone, Iowa
Son, age 36
Boone, Iowa · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Alfred G. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Merchant |
| Industry | Grocery Store |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Son, age 49
Boone, Iowa · implied b. ~1881 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Alfred E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Merchant |
| Industry | Lumber |
| Class of Worker | E |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Boone-County, Iowa
Son, age 57
Boone-County, Iowa · implied b. ~1883 — 2 household members
| Surname | Nelson |
| Given Name | Alfred A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Occupation | Joint Owner |
| Industry | Lumber Yard |
| Class of Worker | E |
| Hours Worked | 48 |
| Income (1939) | 73 |
| Highest Grade | No 8 |
| 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 Alfred Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Nelson (~0.92 confidence) and mother Agusta Nelson (~0.92 confidence) and mother Augusta Nelson (~0.92 confidence) and mother Caroline Nelson (~0.55 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.83
Father
Peter Nelson
b. ~1849
Source father
● Household
· direct · ~0.92
Mother
Agusta Nelson
b. ~1858
Source mother
● Household
· direct · ~0.92
Mother
Augusta Nelson
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Caroline Nelson
b. ~1849
Source mother>mother
● Household
· direct · ~0.55
This person
Anchor record
Alfred Nelson
Son · 1940 · age 57 · b. ~1883 · Iowa
★ 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 — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01141-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles F. Morgan | 64 | Head | Electrician | Iowa |
| 42 | Agnes Morgan | 61 | Wife | — | Iowa |
| 43 | Martin Davis | 36 | Son-in-law | Owner | Iowa |
| 44 | Fay Morgan Davis | 39 | Daughter | Waitress | Iowa |
| 46 | Hilma Ahlin | 57 | Head | — | Iowa |
| 47 | Paul Ahlin | 37 | Son | Bookkeeper | Iowa |
| 48 | Mary Bork | 45 | Lodger | Secretary | Iowa |
| 49 | Lloyd Wilson | 45 | Head | Manager | Iowa |
| 50 | Mabel Wilson | 44 | Wife | — | Illinois |
| 51 | Roger Wilson | 6 | Son | — | Iowa |
| 52 | John W. Erickson | 52 | Head | Manager | Iowa |
| 53 | Robert D. Erickson | 16 | Son | — | Iowa |
| 54 | James W. Erickson | 11 | Son | — | Iowa |
| 55 | Daisy Piper | 62 | Lodger | Housekeeper | Iowa |
| 56 | Verna Shaw | 59 | Lodger | — | Iowa |
| 57 | Andrew G. Olson | 76 | Head | — | Sweden |
| 58 | Hannah Olson | 75 | Wife | — | Sweden |
| 59 | Mary Anderson | 62 | Head | Baker | Iowa |
| 60 | Robert Anderson | 30 | Son | Manager | Iowa |
| 61 | Emirine Anderson | 26 | Daughter | Switch Board Operator | Iowa |
| 62 | Louise Anderson | 21 | Daughter | Waitress | Iowa |
| 63 | Elizabeth Nowee | 31 | Lodger | Teacher | Wisconsin |
| 64 | R. Stella Weeks | 55 | Head | Dress Making | Iowa |
| 65 | Helen Weeks | 25 | Daughter | News Reporter | Iowa |
| 66 | Robert A. Weeks | 21 | Son | Clerk | Kansas |
| 67 | George A. Johnson | 70 | Lodger | Justice Of Peace | Indiana |
| 68 | Saidee D. Ballou | 63 | Head | — | Maryland |
| 69 | Mina Willock | 56 | Lodger | Principal | Iowa |
| 70 | Augusta Nelson | 80 | Head | — | Sweden |
| 71 | Alfred A. Nelson THIS PERSON | 57 | Son | Joint Owner | Iowa |
| 72 | Charles Hiltz | 25 | Head | Brakeman | Iowa |
| 73 | Maege Hiltz | 25 | Wife | — | Minnesota |
| 74 | Joan Hiltz | 5 | Daughter | — | Iowa |
| 75 | Robert D. Sublett | 47 | Head | Dispatcher | Kentucky |
| 76 | Clara Sublett | 47 | Wife | — | Kentucky |
| 77 | Robert Sublett | 23 | Son | — | Iowa |
| 78 | Cecil Sublett | 20 | Son | — | Iowa |
| 79 | Helen Sublett | 18 | Daughter | Clerk | Iowa |
| 80 | Ejner Ford | 46 | Head | Conductor | Illinois |
Pedigree Summary
Alfred
Gen 1 · 3 parents
~0.92
Gen 2 · 1 grandparents
~0.55
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)