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Frank Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Logan-County, Kansas
Our Model Tree links this Frank Martin across the 1910, 1920, 1930 and 1940 US Censuses in Logan-County, Kansas (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a son (b.~1889), then head of a 10-person household.
Age 51
b. ~1889
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Kansas |
| Surname | Martin |
| Given Name | Frank H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Elkader twp |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 500 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farm Laborer |
| Township / Ward | Elkader Twp |
| Est. Birth Year | ~1889 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Arthur Martin | Head | — | 81 | ~1859 |
| Opal Martin | Other | — | 17 | ~1923 |
| Beth Martin | Other | — | 41 | ~1899 |
| William Martin | Other | — | 16 | ~1924 |
| Erika Martin | Other | — | 19 | ~1921 |
| Lilia Martin | Other | — | 5 | ~1935 |
| Bertha Martin | Other | — | 13 | ~1927 |
| Frank Martin | Son | — | 51 | ~1889 |
| William Martin | Son | — | 46 | ~1894 |
| Clara Martin | Spouse | — | 72 | ~1868 |
Census Appearances
1910
Logan, Kansas
Son, age 21
Logan, Kansas · implied b. ~1889 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Logan, Kansas
Son, age 31
Logan, Kansas · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Logan, Kansas
Son, age 41
Logan, Kansas · implied b. ~1889 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Logan-County, Kansas
Son, age 51
Logan-County, Kansas · implied b. ~1889 — 10 household members
| Surname | Martin |
| Given Name | Frank H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Elkader twp |
| 1935 Residence (County) | Logan |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 500 |
| Highest Grade | No 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 Frank Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Martin (~0.92 confidence) and father Arthur Martin (~0.92 confidence) and father Arthur Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence) and mother Lara Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Martin
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Arthur Martin
b. ~1859
Source father
● Household
· direct · ~0.92
Father
Arthur Martin
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Lara Martin
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Martin
Son · 1940 · age 51 · b. ~1889 · Kansas
★ You are viewing this record
Sibling
William Martin
Sibling · 1940 · age 46
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 — Logan-County, Kansas
Open full size
1940 US Federal Census — Logan-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01241-00630)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Neil Cecil | 16 | Son | Farm Labor | Kansas |
| 2 | Marsha Nell Cecil | 12 | Daughter | — | Kansas |
| 3 | Patricia L. Cecil | 10 | Daughter | — | Kansas |
| 4 | Donald D. Cecil | 9 | Son | — | Kansas |
| 5 | William E. Cecil | 7 | Son | — | Kansas |
| 6 | Retha L. Cecil | 5 | Daughter | — | Kansas |
| 7 | John H. Cecil | 3 | Son | — | Kansas |
| 8 | Oscar J. Tyler | 77 | Lodger | 7 | New York |
| 9 | Ruby I. Smith | 22 | Head | Teacher | Kansas |
| 10 | Matilda Mcclean | 14 | Mother | — | Kansas |
| 11 | Joe M. Mader | 39 | Head | Farmer | Kansas |
| 12 | Anna Mader | 36 | Wife | — | Kansas |
| 13 | Elmer J. Mader | 14 | Son | — | Kansas |
| 14 | Marvin Mader | 10 | Son | — | Kansas |
| 15 | Irene Mader | 7 | Daughter | — | Kansas |
| 16 | Robert Gene Mader | 6 | Son | — | Kansas |
| 17 | Bertha Mae Mader | 2 | Daughter | — | Kansas |
| 18 | Arthur Martin | 81 | Head | Farmer | Ind |
| 19 | Clara J. Martin | 72 | Wife | — | Ill |
| 20 | Frank H. Martin THIS PERSON | 51 | Son | Farm Labor | Kansas |
| 21 | William O. Martin | 46 | Son | Farm Labor | Kansas |
| 22 | Beth Martin | 41 | Daughter-in-law | — | Iowa |
| 23 | Erika E. Martin | 19 | Granddaughter | — | Kansas |
| 24 | Opal M. Martin | 17 | Granddaughter | — | Kansas |
| 25 | William A. Martin | 16 | Grandson | — | Kansas |
| 26 | Bertha Martin | 13 | Granddaughter | — | Kansas |
| 27 | Lilia Martin | 5 | Granddaughter | — | Kansas |
| 28 | Hummington Merrick | 25 | Head | Bus Driver | Kansas |
| 29 | Margaret R. Merrick | 26 | Wife | — | Kansas |
| 30 | Everett F. Merrick | 4 | Son | — | Kansas |
| 31 | Jim E. Eastman | 60 | Head | Farmer | Kansas |
| 32 | Lloyd L. Shipley | 27 | Hired hand | Farm Labor | Kansas |
| 33 | Pauline Shipley | 19 | Wife | — | Idaho |
| 34 | Roger Shipley | 0 | Son | — | Oregon |
| 35 | Francis Martin | 19 | Head | Laborer | Kansas |
| 36 | Eunice Martin | 21 | Wife | — | Kansas |
| 37 | Darrell Lee Martin | 1 | Son | — | Kansas |
| 38 | Norbert J. Stevens | 35 | Head | Farmer | Kansas |
| 39 | Anna M. Stevens | 25 | Wife | — | Ala |
| 40 | Emil H. Lehmann | 60 | Head | Farmer & Stockman | Kansas |
Pedigree Summary
Frank + 1 sibling
Gen 1 · 7 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)