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Paul Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Illinois
Our Model Tree links this Paul Martin across the 1910, 1920, 1930 and 1940 US Censuses in Hamilton-County, Illinois (XGBoost, ~Confirmed), with identified parents Sarah & Tom — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Illinois |
| Surname | Martin |
| Given Name | Paul O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Crook Township |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 49 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Crook Township |
| Est. Birth Year | ~1909 |
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 Paul | Age | Birth yr |
|---|---|---|---|---|
| Loretta Martin | Daughter | — | 3 | ~1937 |
| Verna Martin | Daughter | — | 1 | ~1939 |
| Paul Martin | Head | — | 31 | ~1909 |
| Velma Martin | Other | — | 25 | ~1915 |
| Lavada Martin | Spouse | — | 20 | ~1920 |
Census Appearances
1910
Hamilton, Illinois
Son, age 1
Hamilton, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Paul F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Hamilton, Illinois
Son, age 11
Hamilton, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Paul G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Hamilton, Illinois
Son, age 21
Hamilton, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Paul |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Hamilton-County, Illinois
Head, age 31
Hamilton-County, Illinois · implied b. ~1909 — 5 household members
| Surname | Martin |
| Given Name | Paul O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Crook Township |
| 1935 Residence (County) | Hamilton |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 49 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Paul Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Martin (~0.92 confidence) and father Tom Martin (~0.92 confidence) and father Carl Martin (~0.92 confidence) and mother Sarah Martin (~0.92 confidence) and mother Laura Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sarah Martin
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Tom Martin
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Carl Martin
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Sarah Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Laura Martin
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Paul Martin
Head · 1940 · age 31 · b. ~1909 · Illinois
★ 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 — Hamilton-County, Illinois
Open full size
1940 US Federal Census — Hamilton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00809-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | C. L. Mcmahon | 22 | Son | Carpenter | Illinois |
| 42 | Gilbert Higginson | 50 | Head | Farmer | Illinois |
| 43 | Maggie Higginson | 42 | Wife | — | Illinois |
| 44 | Kathleen Higginson | 23 | Daughter | Farm Laborer | Illinois |
| 45 | Elizabeth Stephens | 77 | Mother | — | Illinois |
| 46 | Ed Hines | 45 | Head | Laborer | Illinois |
| 47 | Mary Hines | 40 | Wife | — | Illinois |
| 48 | Bertha Hines | 8 | Daughter | — | Illinois |
| 49 | Mary L. Hines | 0 | Daughter | — | Illinois |
| 50 | Wilma M. Wheeler | 18 | Stepdaughter | — | Illinois |
| 51 | Roberta Wheeler | 16 | Stepdaughter | — | Illinois |
| 52 | Tom D. Nipper | 45 | Head | Laborer | Illinois |
| 53 | Helburn Nipper | 18 | Son | Farm Laborer | Illinois |
| 54 | Dorothy Nipper | 15 | Daughter | — | Illinois |
| 55 | George G. Yandiette | 41 | Head | Farmer | Illinois |
| 56 | Laura Yandiette | 36 | Wife | — | Illinois |
| 57 | Fred H. Yandiette | 27 | Son | Farm Laborer | Illinois |
| 58 | J. M. Dawson | 67 | Head | Farmer | Illinois |
| 59 | Lizzie Dawson | 63 | Wife | — | Illinois |
| 60 | Halward Boyer | 34 | Head | Farmer | Illinois |
| 61 | Inea Boyer | 32 | Wife | — | Illinois |
| 62 | Howard Boyer | 11 | Son | — | Illinois |
| 63 | Doris Boyer | 9 | Daughter | — | Illinois |
| 64 | Harold Boyer | 7 | Son | — | Illinois |
| 65 | Ernest Webb | 28 | Head | Farmer | Illinois |
| 66 | Anna Webb | 28 | Wife | — | Illinois |
| 67 | Kenneth Webb | 8 | Son | — | Illinois |
| 68 | Doris A. Webb | 3 | Daughter | — | Illinois |
| 69 | Paul O. Martin THIS PERSON | 31 | Head | Farmer | Illinois |
| 70 | Lavada Martin | 20 | Wife | Examiner | Illinois |
| 71 | Loretta Martin | 3 | Daughter | — | Illinois |
| 72 | Verna Martin | 1 | Daughter | — | Illinois |
| 73 | Velma Martin | 25 | Servant | Housework | Illinois |
| 74 | George Moore | 65 | Head | Farmer | Illinois |
| 75 | Rosa Moore | 60 | Wife | — | Illinois |
| 76 | Oakley Bennett | 52 | Head | Farmer | Illinois |
| 77 | J. P. Moore | 74 | Head | — | Illinois |
| 78 | Cora Moore | 68 | Wife | — | Illinois |
| 79 | L. A. Pierce | 74 | Head | Farmer | Illinois |
| 80 | Rachel Pierce | 71 | Wife | — | Illinois |
Pedigree Summary
Paul
Gen 1 · 5 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)