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Frank Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, Illinois
Our Model Tree links this Frank Adams across the 1920, 1930 and 1940 US Censuses in Mercer-County, Illinois (XGBoost, ~Confirmed), with identified parents Timothy & Ed — first a head (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Illinois |
| Surname | Adams |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Matherville Village |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | gas-electric truck driver |
| Industry | tractor factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Gas-Electric Truck Driver |
| Township / Ward | Matherville Village |
| Est. Birth Year | ~1914 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Karen Adams | Daughter | — | ~1940 | |
| Frank Adams | Head | — | 26 | ~1914 |
| Kathleen Adams | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Mercer, Illinois
Son, age 6
Mercer, Illinois · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mercer, Illinois
Son, age 16
Mercer, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adam |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mercer-County, Illinois
Head, age 26
Mercer-County, Illinois · implied b. ~1914 — 3 household members
| Surname | Adams |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Matherville Village |
| 1935 Residence (County) | Mercer |
| Occupation | gas-electric truck driver |
| Industry | tractor factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 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 Frank Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Timothy Adam (~0.92 confidence) and father Ed Adams (~0.92 confidence) and mother Blanche Adam (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Timothy Adam
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Ed Adams
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Blanche Adam
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Adams
Head · 1940 · age 26 · b. ~1914 · 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 — Mercer-County, Illinois
Open full size
1940 US Federal Census — Mercer-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00858-00439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Ann Kouskie | 25 | daughter | — | Illinois |
| 2 | Constance Kouskie | 85 | mother | — | Poland |
| 3 | Nick Urbane | 71 | Head | — | Yugo-Slavia |
| 4 | Mary Urbane | 69 | wife | — | Yugo-Slavia |
| 5 | John (Jr.) Miller | 36 | son-in-law | Proprietor | Illinois |
| 6 | Mary Miller | 35 | daughter | — | Illinois |
| 7 | John S. Miller | 0 | grandson | — | Illinois |
| 8 | Mike Durovcik | 61 | Head | — | Austria |
| 9 | Thecla Durovcik | 53 | wife | — | Illinois |
| 10 | Marcella Durovcik | 12 | daughter | — | Illinois |
| 11 | Delores Durovcik | 9 | daughter | — | Indiana |
| 12 | Andrew Nat | 32 | step-son | Laborer | Illinois |
| 13 | Frances Neal | 44 | Head | Assembler | Indiana |
| 14 | Stella Neal | 43 | wife | — | Illinois |
| 15 | Sarah Atnip | 78 | mother-in-law | — | Illinois |
| 16 | James Harris | 32 | Head | Molder | Illinois |
| 17 | Melva Harris | 30 | wife | — | Illinois |
| 18 | Edith Harris | 9 | daughter | — | Illinois |
| 19 | Thomas Harris | 6 | son | — | Illinois |
| 20 | Ralph Harris | 1 | son | — | Illinois |
| 21 | Rudolph Miller | 23 | Head | Piece-Worker | Illinois |
| 22 | Corlyn Miller | 24 | wife | — | Illinois |
| 23 | Sharon Miller | 3 | daughter | — | Illinois |
| 24 | Charles Kness | 19 | Head | Machinist Apprentice | Illinois |
| 25 | Darlene Kness | 18 | wife | — | Illinois |
| 26 | Carolyn Kness | 0 | daughter | — | Illinois |
| 27 | George T. Adams | 56 | Head | Machine Operator | Illinois |
| 28 | Alice Adams | 55 | wife | — | Illinois |
| 29 | Rosalie Adams | 16 | daughter | — | Illinois |
| 30 | John Ivanecky | 71 | Head | — | Austria |
| 31 | Anna Ivanecky | 69 | wife | — | Austria |
| 32 | Frank Adams THIS PERSON | 26 | Head | Gas-Electric Truck Driver | Illinois |
| 33 | Kathleen Adams | 29 | wife | — | Illinois |
| 34 | Karen Adams | 0 | daughter | — | Illinois |
| 35 | Frank Demko | 57 | Head | Miner | Czechoslovakia |
| 36 | Mary Demko | 55 | wife | — | Czechoslovakia |
| 37 | John Demko | 24 | son | Laborer | Illinois |
| 38 | Agnes Demko | 19 | daughter | House-Work | Illinois |
| 39 | Thomas Demko | 16 | son | Carrier | Illinois |
| 40 | Jacob Lajak | 60 | Head | — | Poland |
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)