PS
Patrick Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Patrick Sullivan across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Sullivan |
| Given Name | Patrick J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Drain Inspector |
| Industry | State of Illinois |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Drain Inspector |
| Township / Ward | East St Louis City |
| Est. Birth Year | ~1901 |
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 Patrick | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 15 | ~1925 |
| Patrick Sullivan | Head | — | 39 | ~1901 |
| Patrick Sullivan | Son | — | 17 | ~1923 |
| Richard Sullivan | Son | — | 13 | ~1927 |
| Margaret Sullivan | Spouse | — | 39 | ~1901 |
Census Appearances
1920
St Clair, …
Other, age 18
St Clair, Illinois · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Patrick |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Stockman |
| Industry | Union Abattoir |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
St Clair, …
Head, age 27
St Clair, Illinois · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Patrick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Fireman |
| Industry | Fire Department |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Head, age 39
St.-Clair-County, Illinois · implied b. ~1901 — 5 household members
| Surname | Sullivan |
| Given Name | Patrick J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis City |
| 1935 Residence (County) | St. Clair |
| Occupation | Drain Inspector |
| Industry | State of Illinois |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2400 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Patrick Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Patrick Sullivan
Head · 1940 · age 39 · b. ~1901 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00881-00746)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beverly Burton | 0 | Daughter | — | Illinois |
| 2 | Jess Greenfield | 61 | Head | Watchman | Illinois |
| 3 | Margaret Greenfield | 54 | Wife | — | Illinois |
| 4 | Freddie White | 58 | Head | Janitress | Illinois |
| 5 | Charles Jr White | 27 | Son | Frog Filler | Illinois |
| 6 | Charles Herron | 52 | Head | Electrician | Illinois |
| 7 | Frances Herron | 48 | Wife | — | Illinois |
| 8 | Daisy Bell Herron | 23 | Daughter | — | Illinois |
| 9 | Gilbert Hagan | 40 | Head | Laborer | Missouri |
| 10 | Beatrice Hagan | 37 | Wife | Machine Operator | Illinois |
| 11 | Juanita Hagan | 19 | Daughter | — | Missouri |
| 12 | Ward Hagan | 17 | Son | — | Missouri |
| 13 | Ray Hagan | 14 | Son | — | Missouri |
| 14 | Charles Rickles | 73 | Head | Watchman | Missouri |
| 15 | Elizabeth Rickles | 65 | Wife | — | Illinois |
| 16 | Minnie Bates | 57 | Head | — | Missouri |
| 17 | Lillian Bates | 43 | Sister | Telephone Operator | Missouri |
| 18 | William Schmidt | 66 | Head | Painter & Decorator | Missouri |
| 19 | Kathryn Schmidt | 62 | Wife | — | Indiana |
| 20 | Cynthia Lane | None | — | — | — |
| 21 | Arthur Lane | None | — | — | — |
| 22 | Thomas Whalen | 31 | Head | Fireman | Illinois |
| 23 | Pearl Whalen | 29 | Wife | — | Illinois |
| 24 | Doris Whalen | 10 | Daughter | — | Illinois |
| 25 | Lucille Whalen | 8 | Daughter | — | Illinois |
| 26 | Thomas Whalen | 7 | Son | — | Illinois |
| 27 | William Whalen | 6 | Son | — | Illinois |
| 28 | Richard Whalen | 5 | Son | — | Illinois |
| 29 | Raymond Whalen | 4 | Son | — | Illinois |
| 30 | Jack Whalen | 1 | Son | — | Illinois |
| 31 | Leo Mancatrina | 26 | Head | Shipping Clerk | Illinois |
| 32 | Mary Mancatrina | 23 | Wife | Teacher | Illinois |
| 33 | Patrick J. Sullivan THIS PERSON | 39 | Head | Drain Inspector | Illinois |
| 34 | Margaret Sullivan | 39 | Wife | — | Missouri |
| 35 | Patrick D. Sullivan | 17 | Son | — | Illinois |
| 36 | Margaret Sullivan | 15 | Daughter | — | Illinois |
| 37 | Richard Sullivan | 13 | Son | — | Illinois |
| 38 | George Damenoff | 64 | Head | Laborer | Turkey |
| 39 | Dona Damenoff | 56 | Wife | — | Bulgaria |
| 40 | Cagan Wilson | 25 | Head | Postmaster | 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)