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John Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this John Sullivan across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Patrick & Catherine — first a head (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Sullivan |
| Given Name | John P |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Grocery Clerk |
| Class of Worker | PW |
| Hours Worked | 31 |
| Income (1939) | 700 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Clerk |
| Township / Ward | Portland City |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Sullivan | Head | — | 22 | ~1918 |
| John Sullivan | Son | — | 5 | ~1935 |
| Donna Sullivan | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Multnomah, Oregon
Son, age 2
Multnomah, Oregon · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Vermont |
| Mother's Birthplace | New Jersey |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 12
Multnomah, Oregon · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | John V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Vermont |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Head, age 22
Multnomah-County, Oregon · implied b. ~1918 — 3 household members
| Surname | Sullivan |
| Given Name | John P |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Clerk |
| Industry | Retail Grocery Clerk |
| Class of Worker | PW |
| Hours Worked | 31 |
| Income (1939) | 700 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 John Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence) and mother Katherine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Sullivan
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Katherine Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sullivan
Head · 1940 · age 22 · b. ~1918 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03392-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond Teresk | 14 | son | — | Washington |
| 42 | Carl Teresk | 12 | son | — | Washington |
| 43 | Anna Teresk | 10 | daughter | — | Washington |
| 44 | Helen (X) Higgins | 44 | head | Janitress | Wisconsin |
| 45 | Charles Higgins | 16 | son | New Worker | Oregon |
| 46 | Dorothy Higgins | 14 | daughter | — | Oregon |
| 48 | Francis R Carter | 50 | head | Shoe Clerk | Canada |
| 49 | Ellen M Carter | 40 | wife | — | England |
| 50 | Helen Doreen Carter | 17 | daughter | — | California |
| 51 | Jacqueline Carter | 8 | daughter | — | California |
| 52 | John Arthur Jacob | 36 | head | Proprietor | Washington |
| 54 | Max M Cleveland | 43 | head | Presser | Iowa |
| 55 | Ona W Cleveland | 43 | wife | Saleslady | Iowa |
| 56 | Marian Cleveland | 16 | daughter | — | South Dakota |
| 57 | Shirley Cleveland | 11 | daughter | — | Iowa |
| 58 | Margaret Ryan | 66 | head | Salesman | Iowa |
| 59 | Lawrence Ryan | 37 | son | Salesman | Iowa |
| 60 | Mary Leone Lavanture | 49 | head | — | Kansas |
| 61 | Sylvia Ford | 66 | head | — | Oregon |
| 62 | Neal Brunswick | 26 | head | Mechanic | Oregon |
| 63 | Leora Brunswick | 19 | wife | — | Oregon |
| 64 | Martha Brunswick | 2 | daughter | — | Oregon |
| 65 | Thomas H Lacey | 50 | head | Preacher | Michigan |
| 66 | Lillian Lacey | 47 | wife | — | England |
| 67 | Naomi Lacey | 12 | daughter | — | Canada |
| 68 | John Lacey | 11 | son | — | Canada |
| 69 | Abigail Lacey | 7 | daughter | — | Florida |
| 70 | John P Sullivan THIS PERSON | 22 | head | Clerk | Oregon |
| 71 | Donna Sullivan | 25 | wife | — | Oregon |
| 72 | John Leonard Sullivan | 5 | son | — | Oregon |
| 73 | Erwin Hansen | 51 | head | Field Secretary | Idaho |
| 74 | Viola Hansen | 42 | wife | — | Minnesota |
| 75 | Robert Hansen | 15 | son | — | Oregon |
| 76 | Edmund Berglar | 33 | head | Proprietor | Michigan |
| 77 | Alina Berglar | 17 | wife | — | Canada |
| 78 | Gene Robinson | 19 | head | Laborer | Arkansas |
| 79 | Donzella Robinson | 20 | wife | — | Oklahoma |
Pedigree Summary
John
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)