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Frank Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Adair-County, Iowa
Our Model Tree links this Frank Martin across the 1920, 1930 and 1940 US Censuses in Adair-County, Iowa (XGBoost, ~Confirmed), with identified parents George & S — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Adair-County, Iowa |
| Surname | Martin |
| Given Name | Frank H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Jackson Township |
| 1935 Residence (County) | Adair |
| Additional Details | |
| Occupation | farming |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farming |
| Township / Ward | Jackson Township |
| Est. Birth Year | ~1908 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Gene Martin | Daughter | — | 9 | ~1931 |
| Frank Martin | Head | — | 32 | ~1908 |
| Gene Martin | Son | — | 2 | ~1938 |
| Helen Martin | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Adair, Iowa
Son, age 11
Adair, Iowa · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Adair, Iowa
Son, age 22
Adair, Iowa · implied b. ~1908 — 3 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 | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Iowa |
| Occupation | Student |
| Industry | attending college |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Adair-County, Iowa
Head, age 32
Adair-County, Iowa · implied b. ~1908 — 4 household members
| Surname | Martin |
| Given Name | Frank H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Jackson Township |
| 1935 Residence (County) | Adair |
| Occupation | farming |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| 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 Frank Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Martin (~0.92 confidence) and father S Martin (~0.92 confidence) and mother Ethel Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Martin
b. ~1880
Source father
● Household
· direct · ~0.92
Father
S Martin
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Ethel Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Martin
Head · 1940 · age 32 · b. ~1908 · 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 — Adair-County, Iowa
Open full size
1940 US Federal Census — Adair-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-00183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louisa Wiggins | 57 | Wife | — | Iowa |
| 42 | Carl Wiggins | 25 | Son | Farming | Iowa |
| 43 | Edna Wiggins | 28 | Daughter | — | Iowa |
| 44 | Ronald Wiggins | 1 | Grandson | — | Iowa |
| 45 | Everett Newbury | 71 | Head | Farming | Illinois |
| 46 | May Newbury | 71 | Wife | — | Wisconsin |
| 47 | Merlin Newbury | 33 | Son | Farming | Iowa |
| 48 | Dale Newbury | 31 | Son | Farming | Iowa |
| 49 | Burnell Newbury | 28 | Son | Filling Station | Iowa |
| 50 | Gladys Newbury | 25 | Daughter | — | Iowa |
| 51 | Barbara Newbury | 25 | Daughter | — | Iowa |
| 52 | Wayne Porter | 35 | Head | Farming | Iowa |
| 53 | Byron Webster | 42 | Head | Farming | Iowa |
| 54 | Verna Webster | 46 | Wife | — | Iowa |
| 55 | Wayne Webster | 11 | Son | — | Iowa |
| 56 | Roy Edsall | 56 | Head | Farming | Iowa |
| 57 | Esther Edsall | 56 | Wife | — | Iowa |
| 58 | Elaine Edsall | 16 | Daughter | — | Iowa |
| 59 | Richard Edsall | 14 | Son | — | Iowa |
| 60 | Rosa Haynes | 57 | Head | — | Illinois |
| 61 | Roy Haughenbury | 57 | Head | Farming | Iowa |
| 62 | June Haughenbury | 55 | Wife | — | Iowa |
| 63 | Lawrence Haughenbury | 24 | Son | Farming | Iowa |
| 64 | Samuel Haughenbury | 20 | Son | Farming | Iowa |
| 65 | Betty Lou Burns | 10 | Granddaughter | — | Iowa |
| 66 | Frank H. Martin THIS PERSON | 32 | Head | Farming | Iowa |
| 67 | Helen Martin | 28 | Wife | — | Nebraska |
| 68 | Gene Ethel Martin | 9 | Daughter | — | Nebraska |
| 69 | Gene Martin | 2 | Son | — | Iowa |
| 70 | Harrison Means | 76 | Head | Farming | Illinois |
| 71 | Mertie Means | 64 | Wife | — | Iowa |
| 72 | Wilfred Means | 32 | Son | Farming | Iowa |
| 73 | John H. Mangels | 22 | Grandson | — | Iowa |
| 74 | Clark Gaddy | 30 | Head | Farming | Iowa |
| 75 | Irene Gaddy | 30 | Wife | — | Iowa |
| 76 | Frank S. Eddy | 66 | Head | Farming | Iowa |
| 77 | Louie F. Eddy | 61 | Wife | — | Illinois |
| 78 | James Jensen | 53 | Head | Farming | Denmark |
| 79 | Ida Jensen | 49 | Wife | — | Iowa |
| 80 | Ivan Jensen | 20 | Son | Farming | Iowa |
Pedigree Summary
Frank
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)