JH
John Harper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Newton-County, Missouri
Our Model Tree links this John Harper across the 1920, 1930 and 1940 US Censuses in Newton-County, Missouri (XGBoost, ~Confirmed), with identified parents William & J — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Newton-County, Missouri |
| Surname | Harper |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Neosho |
| 1935 Residence (County) | Newton |
| Additional Details | |
| Occupation | General labor |
| Industry | General work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 99 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | General Labor |
| Township / Ward | Neosho |
| 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 |
|---|---|---|---|---|
| J Harper | Head | — | 57 | ~1883 |
| Wester Harper | Son | — | 21 | ~1919 |
| James Harper | Son | — | 16 | ~1924 |
| John Harper | Son | — | 23 | ~1917 |
| Cecil Harper | Son | — | 19 | ~1921 |
Census Appearances
1920
Newton, Missouri
Son, age 2
Newton, Missouri · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Johnnie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Arkansas |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Newton, Missouri
Son, age 13
Newton, Missouri · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Arkansas |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Newton-County, Missouri
Son, age 23
Newton-County, Missouri · implied b. ~1917 — 5 household members
| Surname | Harper |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Neosho |
| 1935 Residence (County) | Newton |
| Occupation | General labor |
| Industry | General work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 99 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Harper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Harper (~0.92 confidence) and father J Harper (~0.92 confidence) and father John Harper (~0.92 confidence) and mother Maggie Harper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Harper
b. ~1881
Source father
● Household
· direct · ~0.92
Father
J Harper
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Harper
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Maggie Harper
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harper
Son · 1940 · age 23 · b. ~1917 · Missouri
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Sibling
Cecil Harper
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Harper
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wester Harper
Sibling · 1940 · age 21
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 — Newton-County, Missouri
Open full size
1940 US Federal Census — Newton-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02133-00460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Snow | 37 | Head | Track Labor | Missouri |
| 42 | Elsie Snow | 34 | Wife | — | Oklahoma |
| 43 | James Snow | 12 | Son | — | Oklahoma |
| 44 | Joy Ann Snow | 3 | Daughter | — | Missouri |
| 45 | J. W. Harper | 57 | Head | Farmer | Missouri |
| 46 | John Harper THIS PERSON | 23 | Son | General Labor | Missouri |
| 47 | Wester Harper | 21 | Son | General Labor | Missouri |
| 48 | Cecil Harper | 19 | Son | New Worker | Missouri |
| 49 | James Harper | 16 | Son | New Worker | Missouri |
| 50 | George Knight | 40 | Head | Janitor | Oklahoma |
| 51 | Alma Knight | 32 | Wife | — | Missouri |
| 52 | Wanda J. Knight | 12 | Daughter | — | Oklahoma |
| 53 | Donald Knight | 11 | Son | — | Oklahoma |
| 54 | George Knight | 9 | Son | — | Oklahoma |
| 55 | Connie Knight | 7 | Daughter | — | Oklahoma |
| 56 | Barbara Knight | 5 | Daughter | — | Oklahoma |
| 57 | Bernell Knight | 3 | Son | — | Missouri |
| 58 | Richard Knight | 1 | Son | — | Missouri |
| 59 | James R. Hooper | 55 | Head | Laborer | Kansas |
| 60 | Nettie Hooper | 31 | Wife | — | Missouri |
| 61 | Mildred Hooper | 6 | Daughter | — | Missouri |
| 62 | Guy Martin | 56 | Head | Farmer | Oklahoma |
| 63 | Elizabeth Martin | 49 | Wife | — | Missouri |
| 64 | Kincaid, Estella Martin | 18 | Step daughter | — | Missouri |
| 65 | Wheeler, Lewis Martin | 25 | Son in law | — | Missouri |
| 66 | Robinson, A. D. Martin | 25 | Nephew | Laborer | Oklahoma |
| 67 | Elizabeth Weaver | 31 | Head | House Helper | Missouri |
| 68 | Sylvester Weaver | 9 | Son | — | Illinois |
| 69 | Lloyd Weaver | 7 | Son | — | Missouri |
| 70 | Ralph Weaver | 4 | Son | — | Missouri |
| 71 | Melvin Weaver | 1 | Son | — | Missouri |
| 72 | Addie Smith | 64 | Mother | — | Missouri |
| 73 | Elizabeth Emory | 76 | Head | — | Kentucky |
| 74 | Dale Birdie Emory | 51 | Daughter | — | Missouri |
| 75 | Iola Smith | 51 | Head | Laundry | Kansas |
| 76 | Brown, Lavina Smith | 31 | Daughter | General Help | Kansas |
| 77 | Brown, Mary E. Smith | 14 | Grand daughter | — | Missouri |
| 78 | Charles Rogers | 77 | Head | — | Missouri |
| 79 | Allie Rogers | 71 | Wife | — | Missouri |
| 80 | Roy Rogers | 54 | Son | House Cleaner | Missouri |
Pedigree Summary
John + 3 siblings
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)