CM
Clara Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Clara Martin across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed), with identified parents Ira & Ora — first a spouse (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Martin |
| Given Name | Clara |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville City |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Danville City |
| Est. Birth Year | ~1916 |
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 Clara | Age | Birth yr |
|---|---|---|---|---|
| Orville Martin | Head | — | 32 | ~1908 |
| Clara Martin | Spouse | — | 24 | ~1916 |
| Eugene Martin | Son | — | 2 | ~1938 |
| Clara Martin | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Vermilion, Illinois
Daughter, age 2
Vermilion, Illinois · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Clara |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Vermilion, Illinois
Daughter, age 13
Vermilion, Illinois · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Spouse, age 24
Vermilion-County, Illinois · implied b. ~1916 — 4 household members
| Surname | Martin |
| Given Name | Clara |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville City |
| 1935 Residence (County) | Vermilion |
| Highest Grade | H-2 |
| 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 Clara Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Martin (~0.92 confidence) and father Ora Martin (~0.92 confidence) and mother Sophie Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Martin
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Ora Martin
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Sophie Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clara Martin
Spouse · 1940 · age 24 · b. ~1916 · 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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00897-00201)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margo Jenkins | 70 | Head | Maid | Indiana |
| 2 | Charles H Dempsey | 47 | Head | Laborer | Illinois |
| 3 | Fern Dempsey | 37 | Wife | — | Indiana |
| 4 | Robert S Dempsey | 15 | Son | — | Illinois |
| 5 | Charles Jr Dempsey | 2 | Son | — | Illinois |
| 6 | Vernal A Reed | 41 | Head | Auto Mechanic | Illinois |
| 7 | Helen Reed | 34 | Wife | — | Illinois |
| 8 | William Reed | 7 | Son | — | Illinois |
| 9 | Hugh W Nolan | 74 | Head | — | Illinois |
| 10 | Sophia Charlson | 60 | Head | — | England |
| 11 | Robert Brooker | 82 | Head | — | Nebraska |
| 12 | Lucy Brooker | 72 | Wife | — | Indiana |
| 13 | Fred Mahorney | 32 | Head | Seamcutter | Illinois |
| 14 | Mary Mahorney | 32 | Wife | — | Illinois |
| 15 | Thomas Mahorney | 11 | Son | — | Illinois |
| 16 | Barbara Mahorney | 7 | Daughter | — | Illinois |
| 17 | Mary Michael | 70 | Head | — | Illinois |
| 18 | George Evans | 33 | Head | Truck Driver | Illinois |
| 19 | Thelma Evans | 30 | Wife | — | Illinois |
| 20 | Ida Evans | 11 | Daughter | — | Illinois |
| 21 | Ralph Evans | 10 | Son | — | Illinois |
| 22 | Harry Stephenson | 49 | Head | Extra Board Fireman | Illinois |
| 23 | Edythe Stephenson | 59 | Wife | — | Illinois |
| 24 | Walter Seyfert | 28 | Son | Mechanic | Illinois |
| 25 | Orville Martin | 32 | Head | Night Watchman | Illinois |
| 26 | Clara Martin THIS PERSON | 24 | Wife | — | Illinois |
| 27 | Eugene Martin | 2 | Son | — | Illinois |
| 28 | Clara Ann Martin | 1 | Daughter | — | Illinois |
| 29 | Eugene H Swartz | 26 | Head | Ballaster | Illinois |
| 30 | Lillie L Swartz | 25 | Wife | — | Illinois |
| 31 | Clark Eugene Swartz | 6 | Son | — | Illinois |
| 32 | Billie Jo Swartz | 4 | Daughter | — | Illinois |
| 33 | George Fairchild | 37 | Head | Carman Helper | Indiana |
| 34 | Alice Fairchild | 28 | Wife | — | Illinois |
| 35 | Jesse P Robinson | 62 | Head | Beef Boner | Illinois |
| 36 | Tillis Robinson | 56 | Wife | — | Illinois |
| 37 | Harry N Eagle | 41 | Head | Miner | Illinois |
| 38 | Dollie Eagle | 31 | Wife | — | Missouri |
| 39 | Fredrick Nagoda | 11 | Step-son | — | Illinois |
| 40 | John Nagoda | 9 | Step-son | — | Illinois |
Pedigree Summary
Clara
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)