CM
Clarence Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Decatur-County, Indiana
Our Model Tree links this Clarence Martin across the 1920, 1930 and 1940 US Censuses in Decatur-County, Indiana (XGBoost, ~Confirmed), with identified parents James & Maggie — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Indiana
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Decatur-County, Indiana |
| Surname | Martin |
| Given Name | Clarence W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Separated |
| Birthplace | Indiana |
| 1935 Residence (City) | Sandcreek Township |
| 1935 Residence (County) | Decatur |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Sandcreek 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| James Martin | Head | — | 67 | ~1873 |
| Clarence Martin | Son | — | 32 | ~1908 |
| Rose Martin | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Fayette, Indiana
Son, age 12
Fayette, Indiana · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Clarence E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Decatur, Indiana
Son, age 22
Decatur, Indiana · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Clarence W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Decatur-County, Indiana
Son, age 32
Decatur-County, Indiana · implied b. ~1908 — 3 household members
| Surname | Martin |
| Given Name | Clarence W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Separated |
| Birthplace | Indiana |
| 1935 Residence (City) | Sandcreek Township |
| 1935 Residence (County) | Decatur |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Clarence Martin across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father James Martin (~0.92 confidence) and mother Maggie Martin (~0.92 confidence) and mother Rose Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Martin
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Maggie Martin
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Rose Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Martin
Son · 1940 · age 32 · b. ~1908 · 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 — Decatur-County, Indiana
Open full size
1940 US Federal Census — Decatur-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01035-00957)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman L Miner | 8 | Son | — | Indiana |
| 2 | Parker Bishop | 33 | Head | Laborer | Indiana |
| 3 | Ruth M Bishop | 22 | Wife | — | Indiana |
| 4 | Jimmie Lee Bishop | 3 | Son | — | Indiana |
| 5 | Carole Sue Bishop | 2 | Daughter | — | Indiana |
| 6 | Jacob Steigarnald | 73 | Head | Farmer | Ohio |
| 7 | Ada V Steigarnald | 64 | Wife | — | New Jersey |
| 8 | John A Masters | 36 | Head | Auto Mechanic | Indiana |
| 9 | Gertrude H Masters | 33 | Wife | — | Indiana |
| 10 | Martha E Masters | 12 | Daughter | — | Indiana |
| 11 | Carl V Masters | 24 | Head | Laborer | Indiana |
| 12 | Naoma B Masters | 22 | Wife | — | Kentucky |
| 13 | Lillian M Masters | 4 | Daughter | — | Indiana |
| 14 | Katherine J Masters | 1 | Daughter | — | Indiana |
| 15 | Steve Doyle | 39 | Head | Truck Loader | Kentucky |
| 16 | Hattie Mae Doyle | 35 | Wife | — | Indiana |
| 17 | Alice A Doyle | 15 | Daughter | New-Worker | Indiana |
| 18 | Lee Edward Doyle | 13 | Son | — | Indiana |
| 19 | James B Martin | 67 | Head | Farmer | Indiana |
| 20 | Rose Martin | 63 | Wife | — | Indiana |
| 21 | Clarence W Martin THIS PERSON | 32 | Son | Farmer | Indiana |
| 22 | Alvin L Gardner | 37 | Head | Farmer | Indiana |
| 23 | Naomi M Gardner | 34 | Wife | — | Indiana |
| 24 | Lottie M Gardner | 60 | Mother | — | Indiana |
| 25 | Clarence M Johnson | 56 | Head | — | Indiana |
| 26 | Stella S Johnson | 63 | Wife | — | Indiana |
| 27 | Ora C Hedrick | 65 | Head | Farmer | Indiana |
| 28 | Bert Davis | 67 | Head | — | Indiana |
| 29 | Minnie L Davis | 64 | Wife | — | Indiana |
| 30 | Grover H Mathews | 31 | Boarder | Mano Nurse | Indiana |
| 31 | Dolph Robbins | 63 | Head | Manager | Indiana |
| 32 | Stella M Robbins | 49 | Wife | Seamstress | Indiana |
| 33 | J. Carney Robbins | 27 | Son | Assistant Baker | Indiana |
| 34 | Burke Don Eugene Robbins | 12 | Grandson | — | Indiana |
| 35 | James H Engle | 52 | Head | Farmer | Indiana |
| 36 | Martha Ann Engle | 80 | Mother | — | Indiana |
| 37 | Deweese Mary E | 61 | Sister | House Keeper | Kentucky |
| 38 | Charles H Davis | 32 | Head | Farmer | Indiana |
| 39 | Mary Davis | 33 | Wife | — | Indiana |
| 40 | Charles P Davis | 4 | Son | — | Indiana |
Pedigree Summary
Clarence
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)