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Harold Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sumner-County, Kansas
Our Model Tree links this Harold Martin across the 1920, 1930 and 1940 US Censuses in Sumner-County, Kansas (XGBoost, ~Confirmed), with identified parents Frank & Faye — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumner-County, Kansas |
| Surname | Martin |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Palestine |
| 1935 Residence (County) | Sumner |
| Additional Details | |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Palestine |
| Est. Birth Year | ~1918 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Wheeler Martin | Son | — | 10 | ~1930 |
| Frank Martin | Head | — | 55 | ~1885 |
| Harold Martin | Son | — | 22 | ~1918 |
| Mabel Martin | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Sumner, Kansas
Son, age 2
Sumner, Kansas · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harold H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Sumner, Kansas
Son, age 12
Sumner, Kansas · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Harold D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Sumner-County, Kansas
Son, age 22
Sumner-County, Kansas · implied b. ~1918 — 4 household members
| Surname | Martin |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Palestine |
| 1935 Residence (County) | Sumner |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Harold Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Martin (~0.92 confidence) and mother Faye Martin (~0.92 confidence) and mother Mabel Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Martin
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Faye Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mabel Martin
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Martin
Son · 1940 · age 22 · b. ~1918 · Kansas
★ You are viewing this record
Sibling
Wheeler Martin
Sibling · 1940 · age 10
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 — Sumner-County, Kansas
Open full size
1940 US Federal Census — Sumner-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01263-00605)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J. C. Davidson | 67 | Head | Farmer | Kentucky |
| 42 | Sally Davidson | 55 | Wife | — | Kentucky |
| 43 | Frank Martin | 55 | Head | Farmer | Kansas |
| 44 | Mabel Martin | 49 | Wife | — | Illinois |
| 45 | Harold Martin THIS PERSON | 22 | Son | — | Kansas |
| 46 | Wheeler Eugene Martin | 10 | Son | — | Kansas |
| 47 | Wm J. Kersey | 52 | Head | Farmer | Kansas |
| 48 | Blanche Kersey | 48 | Wife | — | Kansas |
| 49 | Frank Downing | 60 | Head | Farmer | Kansas |
| 50 | Edna Downing | 62 | Wife | — | Ohio |
| 51 | Leslie Richardson | 37 | Head | Farmer | Kansas |
| 52 | Thelma Richardson | 28 | Wife | — | Kansas |
| 53 | Billy Don Richardson | 7 | Son | — | Kansas |
| 54 | Bobby Dean Richardson | 3 | Son | — | Kansas |
| 55 | Eymon Harper | 30 | Head | Farmer | Kansas |
| 56 | Ruby Harper | 24 | Wife | — | Arkansas |
| 57 | Eymon Jr Harper | 4 | Son | — | Kansas |
| 58 | Dora Harper | 3 | Daughter | — | Kansas |
| 59 | Gary Harper | 2 | Son | — | Kansas |
| 60 | Paul Brooks | 31 | Head | Farmer | Kansas |
| 61 | Wilma Brooks | 31 | Wife | — | Kansas |
| 62 | Larry Brooks | 1 | Son | — | Kansas |
| 63 | Wiley Hornbeek | 51 | Head | Farmer | Kansas |
| 64 | Mae Hornbeek | 47 | Wife | — | Illinois |
| 65 | Ernestine Hornbeek | 15 | Daughter | — | Kansas |
| 66 | Ralph Hornbeek | 12 | Son | — | Kansas |
| 67 | Arthur A. Shade | 71 | Head | Farmer | Virginia |
| 68 | Ella M. Shade | 66 | Wife | — | Kentucky |
| 69 | Guy Griffith | 51 | Head | Farmer | Kansas |
| 70 | Lutie Griffith | 45 | Wife | — | Kentucky |
| 71 | Ladene Griffith | 19 | Daughter | — | Kansas |
| 72 | Thos D. Gray | 62 | Head | Farmer | Kansas |
| 73 | Stuckel Helen Gray | 31 | Daughter | — | Kansas |
| 74 | Varda Gray | 26 | Daughter | — | Kansas |
| 75 | Beryl Goldsmith | 33 | Head | Farmer | Oklahoma |
| 76 | Florence Goldsmith | 30 | Wife | — | Kansas |
| 77 | Charles Goldsmith | 4 | Son | — | Kansas |
| 78 | Don Goldsmith | 2 | Son | — | Kansas |
| 79 | Zelda Infant Goldsmith | 0 | Daughter | — | Kansas |
| 80 | Ross Lamb | 38 | Head | Farmer | Kansas |
Pedigree Summary
Harold + 1 sibling
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)