PS
Patrick Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this Patrick Sullivan across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 4-person household.
Age 73
b. ~1867
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Sullivan |
| Given Name | Patrick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Harrison Twp |
| Additional Details | |
| Highest Grade | No 8 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Harrison Twp |
| Est. Birth Year | ~1867 |
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 Patrick | Age | Birth yr |
|---|---|---|---|---|
| Patrick Sullivan | Head | — | 73 | ~1867 |
| James Christie | Other | — | 22 | ~1918 |
| Bernie Sullivan | Son | — | 48 | ~1892 |
| Mary Sullivan | Spouse | — | 75 | ~1865 |
Census Appearances
1920
Harrison, Iowa
Head, age 55
Harrison, Iowa · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Patrick J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Harrison, Iowa
Head, age 65
Harrison, Iowa · implied b. ~1865 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Patrick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 25 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Harrison-County, Iowa
Head, age 73
Harrison-County, Iowa · implied b. ~1867 — 4 household members
| Surname | Sullivan |
| Given Name | Patrick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Harrison Twp |
| Highest Grade | No 8 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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.
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This person
Anchor record
Patrick Sullivan
Head · 1940 · age 73 · b. ~1867 · Iowa
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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 — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-00214)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis Culver | 31 | Head | Committee | Iowa |
| 42 | Ruth Culver | 30 | Wife | — | Iowa |
| 43 | Gerald Culver | 2 | Son | — | Iowa |
| 44 | Hans Madison | 28 | Laborer | Laborer | Montana |
| 45 | Vern Hartwig | 50 | Head | Farmer | Iowa |
| 46 | Edna Hartwig | 41 | Wife | — | Iowa |
| 47 | Donald Hartwig | 18 | Son | — | Iowa |
| 48 | Otto Hartwig | 44 | Brother | Laborer | Iowa |
| 49 | Don Forets | 36 | Laborer | Laborer | Iowa |
| 50 | Leroy Cook | 55 | Head | Farmer | Iowa |
| 51 | Bess Cook | 47 | Wife | — | Iowa |
| 52 | Charles Cook | 17 | Son | — | Iowa |
| 53 | Gerard Cook | 26 | Son | Salesman | Iowa |
| 54 | Alva H. Dennison | 64 | Head | Farmer | New York |
| 55 | Marie Dennison | 59 | Wife | — | Iowa |
| 56 | John Dennison | 30 | Son | Farmer | Iowa |
| 57 | Margaret Dennison | 28 | Daughter | — | Iowa |
| 58 | Patrick Sullivan THIS PERSON | 73 | Head | — | Indiana |
| 59 | Mary Ann Sullivan | 75 | Wife | — | New Jersey |
| 60 | Bernie Sullivan | 48 | Son | — | Iowa |
| 61 | James Christie | 22 | Nephew | — | Illinois |
| 62 | Clure Culver | 69 | Head | 25 | Iowa |
| 63 | Maurice Sullivan | 39 | Head | 30 | Iowa |
| 64 | Alice Sullivan | 36 | Wife | — | Iowa |
| 65 | Mary Alice Sullivan | 8 | Daughter | — | Iowa |
| 66 | Joan Sullivan | 6 | Daughter | — | Iowa |
| 67 | Rita Sullivan | 5 | Daughter | — | Iowa |
| 68 | Lorraine Sullivan | 3 | Daughter | — | Iowa |
| 69 | Pat Sullivan | 1 | Son | — | Iowa |
| 70 | D. C. Braden | 67 | Head | 30 | Illinois |
| 71 | Fanny Braden | 65 | Wife | — | Iowa |
| 72 | Hugh Carmichael | 41 | Head | 30 | Iowa |
| 73 | Helen Carmichael | 38 | Wife | 0 | Iowa |
| 74 | Margaret Mary Carmichael | 10 | Daughter | — | Iowa |
| 75 | Leroy Cook | 31 | Head | Farmer | Iowa |
| 76 | Aloysia Cook | 25 | Wife | — | Iowa |
| 77 | Gerald Cook | 3 | Son | — | Iowa |
| 78 | Sandra Cook | 2 | Daughter | — | Iowa |
| 79 | Lawrence Rabstejnek | 36 | Head | Farmer | Iowa |
| 80 | Lucy Rabstejnek | 40 | Wife | — | Iowa |
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)