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Harry Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Harry Nelson across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Samual & Mahala — first a head (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Nelson |
| Given Name | Harry Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Beech Grove city |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | House Construction |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 1020 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Beech Grove 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Lorna Nelson | Daughter | — | 4 | ~1936 |
| Harry Nelson | Head | — | 30 | ~1910 |
| Dora Nelson | Other | — | 60 | ~1880 |
| Harry Nelson | Son | — | 12 | ~1928 |
| Richard Nelson | Son | — | 8 | ~1932 |
| Edna Nelson | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Marion, Indiana
Son, age 11
Marion, Indiana · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 21
Marion, Indiana · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Harry J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Electrician (Help) |
| Industry | Steam Rail R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 30
Marion-County, Indiana · implied b. ~1910 — 6 household members
| Surname | Nelson |
| Given Name | Harry Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Beech Grove city |
| 1935 Residence (County) | Marion |
| Occupation | Truck Driver |
| Industry | House Construction |
| Class of Worker | PW |
| Hours Worked | 22 |
| Income (1939) | 1020 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Harry Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samual Nelson (~0.92 confidence) and mother Mahala Nelson (~0.92 confidence) and father Thomas Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samual Nelson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Mahala Nelson
b. ~1867
Source mother
● Household
· direct · ~0.92
Father
Thomas Nelson
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harry Nelson
Head · 1940 · age 30 · b. ~1910 · Indiana
★ 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01075-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Harlan | 1 | son | — | Indiana |
| 2 | Harold Steele | 32 | Head | Carman | Virginia |
| 3 | Ruby Steele | 28 | wife | — | Iowa |
| 4 | James Steele | 12 | son | — | W. Virginia |
| 5 | Norma Jean Steele | 6 | daughter | — | W. Virginia |
| 6 | Richard Bennett | 83 | Head | — | Indiana |
| 7 | Sarah Bennett | 75 | wife | — | Nebraska |
| 8 | Lester Bennett | 35 | son | Caretaker | Indiana |
| 9 | Charlotte Bennett | 4 | daughter | — | Indiana |
| 10 | Birch Hunt | 35 | Head | Laborer | Kentucky |
| 11 | Leona Bell Hunt | 30 | wife | — | Kentucky |
| 12 | Mary Jean Hunt | 9 | daughter | — | Kentucky |
| 13 | James Redding | 32 | Head | Carman Helper | Indiana |
| 14 | Margaret Redding | 31 | wife | — | Ohio |
| 15 | Helen Redding | 12 | daughter | — | Indiana |
| 16 | James Redding | 9 | son | — | Indiana |
| 17 | Elizabeth Ann Redding | 4 | daughter | — | Indiana |
| 18 | Sidney Sparks | 34 | Head | — | Kentucky |
| 19 | Beulah Sparks | 32 | wife | — | Kentucky |
| 20 | Walter Sparks | 14 | son | — | Kentucky |
| 21 | Thelma Sparks | 12 | daughter | — | Indiana |
| 22 | Vernon Sparks | 8 | son | — | Indiana |
| 23 | Coleen Sparks | 7 | daughter | — | Indiana |
| 24 | Eugene Sparks | 1 | son | — | Indiana |
| 25 | Harry Jr. Nelson THIS PERSON | 30 | Head | Truck Driver | Indiana |
| 26 | Edna Nelson | 29 | wife | Tipper | Indiana |
| 27 | Harry Iii Nelson | 12 | son | — | Indiana |
| 28 | Richard Nelson | 8 | son | — | Indiana |
| 29 | Lorna Joan Nelson | 4 | daughter | — | Indiana |
| 30 | Dora Nelson | 60 | mother | Practical Nurse | Indiana |
| 31 | Ethel Dillon | 43 | Head | Maid | Indiana |
| 32 | Maurice Dillon | 17 | son | New Worker | Indiana |
| 33 | Billie Dillon | 8 | son | — | Indiana |
| 34 | David Dillon | 7 | son | — | Indiana |
| 35 | Richard Dillon | 5 | son | — | Indiana |
| 36 | William Campbell | 38 | Head | Shipping Clerk | Scotland |
| 37 | Blanch Campbell | 33 | wife | — | Indiana |
| 38 | Laurence Campbell | 11 | son | — | Indiana |
| 39 | Daniel Lee Campbell | 1 | son | — | Indiana |
| 40 | Edward Dux | 62 | Head | Stone Contractor | Indiana |
Pedigree Summary
Harry
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)