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James Dugan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coles-County, Illinois
Our Model Tree links this James Dugan across the 1930 and 1940 US Censuses in Coles-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coles-County, Illinois |
| Surname | Dugan |
| Given Name | James Cassal |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Edgar |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Ashmore Township |
| Est. Birth Year | ~1930 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marion Dugan | Son | — | 19 | ~1921 |
| Cassal Dugan | Head | — | 39 | ~1901 |
| Fern Dugan | Spouse | — | 40 | ~1900 |
| Nila Dugan | Daughter | — | 12 | ~1928 |
| Ervin Dugan | Son | — | 17 | ~1923 |
| Myron Dugan | Son | — | 14 | ~1926 |
| James Dugan | Son | — | 10 | ~1930 |
Census Appearances
1930
Edgar, Illinois
Son, age
Edgar, Illinois · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Coles-County, Illinois
Son, age 10
Coles-County, Illinois · implied b. ~1930 — 7 household members
| Surname | Dugan |
| Given Name | James Cassal |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Edgar |
| Highest Grade | 3 |
| 1935 Residence | Illinois |
| 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 James Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dugan
Son · 1940 · age 10 · b. ~1930 · Illinois
★ You are viewing this record
Sibling
Nila Dugan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myron Dugan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ervin Dugan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Dugan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Coles-County, Illinois
Open full size
1940 US Federal Census — Coles-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00771-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elba Hanner | 45 | Head | Farmer | Missouri |
| 2 | Marguarite Hanner | 41 | Wife | Housewife | Illinois |
| 3 | Reece Hanner | 29 | Son | Clerk | Illinois |
| 4 | James Hanner | 15 | Son | — | Illinois |
| 5 | William H. Garner | 57 | Head | Farmer | Illinois |
| 6 | Nancy Capt. Garner | 52 | Wife | Housewife | Illinois |
| 7 | Dean Garner | 31 | Son | Farmer | Illinois |
| 8 | Joseph Staggs | 35 | Head | Common Laborer | Illinois |
| 9 | Nettie Staggs | 35 | Wife | Housewife | Illinois |
| 10 | Harry Slater | 54 | Head | Farmer | Illinois |
| 11 | Flossie Slater | 49 | Wife | Housewife | Illinois |
| 12 | Sidney Slater | 20 | Son | — | Illinois |
| 13 | Lois Slater | 18 | Daughter | — | Illinois |
| 14 | Marion Updegraff | 32 | Head | Farmer | Illinois |
| 15 | Heather Updegraff | 29 | Wife | Housewife | Illinois |
| 16 | Stella Updegraff | 12 | Daughter | — | Illinois |
| 17 | Marion Jr. Updegraff | 5 | Son | — | Illinois |
| 18 | Thomas E. Morris | 58 | Head | Farmer | Indiana |
| 19 | Estella Morris | 54 | Wife | Housewife | Illinois |
| 20 | Edward Washburn | 80 | Head | Retired Farmer | Missouri |
| 21 | Rosa C. Washburn | 67 | Wife | Housewife | Illinois |
| 22 | Zesta Washburn | 44 | Daughter | Housewife | Illinois |
| 23 | Sherman Hawkins | 44 | Head | Farmer | Illinois |
| 24 | Mabel Hawkins | 40 | Wife | Housewife | Illinois |
| 25 | Alta Jean Hawkins | 17 | Daughter | Housewife | Illinois |
| 26 | Robert Hawkins | 14 | Son | — | Illinois |
| 27 | Leland Hawkins | 9 | Son | — | Illinois |
| 28 | Harvey Washburn | 46 | Head | Farmer | Illinois |
| 29 | Myrtle Washburn | 36 | Wife | Housewife | Missouri |
| 30 | Harvey Jr. Washburn | 17 | Son | — | Illinois |
| 31 | Robert E. Washburn | 13 | Son | — | Illinois |
| 32 | Cassal Dugan | 39 | Head | Farmer | Illinois |
| 33 | Fern Dugan | 40 | Wife | Housewife | Illinois |
| 34 | Marion Wayne Dugan | 19 | Son | — | Illinois |
| 35 | Ervin Lowell Dugan | 17 | Son | — | Illinois |
| 36 | Myron Lynn Dugan | 14 | Son | — | Illinois |
| 37 | Nila Marie Dugan | 12 | Daughter | — | Illinois |
| 38 | James Cassal Dugan THIS PERSON | 10 | Son | — | Illinois |
| 39 | Leland Balla | 25 | Head | Laborer | Illinois |
| 40 | June Balla | 21 | Wife | Housewife | Illinois |
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)