AS
Arthur Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Arthur Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents William & Frances — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Chiropodist |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Chiropodist |
| Township / Ward | Champaign |
| Est. Birth Year | ~1904 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Arthur Sullivan | Head | — | 36 | ~1904 |
| Robert Sullivan | Son | — | 10 | ~1930 |
| Helen Sullivan | Spouse | — | 35 | ~1905 |
| William Sullivan | Son | — | 12 | ~1928 |
Census Appearances
1910
Champaign, Illinois
Son, age 6
Champaign, Illinois · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Champaign, Illinois
Son, age 16
Champaign, Illinois · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Champaign, Illinois
Head, age 26
Champaign, Illinois · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Manager |
| Industry | Shoe Store |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Head, age 36
Champaign-County, Illinois · implied b. ~1904 — 4 household members
| Surname | Sullivan |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Occupation | Chiropodist |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | Hs 3 |
| 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 Arthur Sullivan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Sullivan (~0.92 confidence) and mother Frances Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Sullivan
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Frances Sullivan
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Sullivan
Head · 1940 · age 36 · b. ~1904 · 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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00688)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Engelhardt | 40 | Head | Salesman | Indiana |
| 42 | Flossie Engelhardt | 36 | Wife | — | Indiana |
| 43 | William Engelhardt | 15 | Son | — | Indiana |
| 44 | Mary H. Gorman | 54 | Head | Cook | Illinois |
| 45 | Mary M. Gorman | 33 | Daughter | Bookkeeper | Illinois |
| 46 | Frances E. Gorman | 32 | Daughter | Bookkeeper | Illinois |
| 47 | Paul A. Gorman | 24 | Son | Salesman | Illinois |
| 48 | M. J. Gibson | 39 | Lodger | Printer | Indiana |
| 49 | Ariel Albin | 23 | Maid | Maid | Illinois |
| 50 | Leo D. Bennett | 39 | Head | Contractor | Illinois |
| 51 | Bette Bennett | 41 | Wife | — | Illinois |
| 52 | Mary Ellen Bennett | 13 | Daughter | — | Illinois |
| 53 | Thomas M. Bennett | 5 | Son | — | Illinois |
| 54 | Marjorie Davis | 21 | Maid | Maid | Illinois |
| 55 | Elliott Stevens | 47 | Head | Dentist | Indiana |
| 56 | Harriet Stevens | 44 | Wife | — | Iowa |
| 57 | Perry H. Stevens | 8 | Son | — | Illinois |
| 58 | Margaret Brummer | 18 | Maid | Maid | Illinois |
| 59 | Harry Dent | 56 | Head | Salesman | Illinois |
| 60 | Pearl Dent | 55 | Wife | Sales Lady | Illinois |
| 61 | Arthur Sullivan THIS PERSON | 36 | Head | Chiropodist | Illinois |
| 62 | Helen Sullivan | 35 | Wife | — | Illinois |
| 63 | William Sullivan | 12 | Son | — | Illinois |
| 64 | Robert Sullivan | 10 | Son | — | Illinois |
| 65 | Glenn Frazier | 46 | Head | Clerk | Illinois |
| 66 | Ethel Frazier | 34 | Wife | Bookkeeper | Illinois |
| 67 | H. O. Brown | 34 | Head | Watchmaker | Illinois |
| 68 | Gladys Brown | 36 | Wife | — | Illinois |
| 69 | Thomas Leo O'Neill | 36 | Head | Contractor | Illinois |
| 70 | Sarah M. O'Neill | 32 | Wife | — | Illinois |
| 71 | Alice C. O'Neill | 10 | Daughter | — | Illinois |
| 72 | Anne M. O'Neill | 8 | Daughter | — | Illinois |
| 73 | Terrence L. O'Neill | 4 | Son | — | Illinois |
| 74 | William F. Heitman | 28 | Head | Salesman | Illinois |
| 75 | Leona Heitman | 29 | Wife | — | Illinois |
| 76 | Dick Heitman | 4 | Son | — | Illinois |
| 77 | Anita Heitman | 3 | Daughter | — | Illinois |
| 78 | Albert W. Stewart | 43 | Head | Commercial Artist | Illinois |
| 79 | Lucile Stewart | 42 | Wife | — | Illinois |
| 80 | Lawrence Stewart | 13 | Son | — | Illinois |
Pedigree Summary
Arthur
Gen 1 · 2 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)