RS
Richard Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Richard Sullivan across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Frank & Margaret — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Sullivan |
| Given Name | Richard M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Letter Carrier |
| Industry | Postal Service |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Letter Carrier |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1917 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Spouse | — | 52 | ~1888 |
| Richard Sullivan | Son | — | 23 | ~1917 |
| Frank Sullivan | Son | — | 13 | ~1927 |
| Frank Sullivan | Head | — | 54 | ~1886 |
Census Appearances
1920
King, Washington
Son, age 3
King, Washington · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Richard J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | England |
| Occupation | none |
| Mother Tongue | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 13
King, Washington · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Son, age 23
King-County, Washington · implied b. ~1917 — 4 household members
| Surname | Sullivan |
| Given Name | Richard M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Letter Carrier |
| Industry | Postal Service |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Richard Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Sullivan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Sullivan
Son · 1940 · age 23 · b. ~1917 · Washington
★ You are viewing this record
Sibling
Frank Sullivan
Sibling · 1940 · age 13
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04377-00900)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Behnke | 52 | Head | Teacher | Minnesota |
| 2 | Pauline Behnke | 20 | Daughter | Singer | Washington |
| 3 | Robert G. R. Christman | 49 | Head | Baker | Denmark |
| 4 | Anna Parsons | 78 | Head | — | Pennsylvania |
| 5 | Ernest Soderberg | 57 | Son-in-law | Night Watch | Colorado |
| 6 | Fannie Soderberg | 54 | Daughter | — | Nebraska |
| 7 | Gerrard G. Highton | 76 | Lodger | — | Maryland |
| 8 | Forest Tibbetts | 55 | Lodger | Laborer | Nebraska |
| 9 | Charles G. Swanson | 65 | Head | Foreman-Painter | Illinois |
| 10 | Eloise Swanson | 53 | Wife | — | North Dakota |
| 11 | Charles B. Swanson | 12 | Son | — | Washington |
| 12 | Thomas G. Hilton | 79 | Head | — | Pennsylvania |
| 13 | Ralph Wilson | 69 | Lodger | — | Nebraska |
| 14 | Sadie D. Wilson | 69 | Lodger | — | Canada English |
| 15 | Samuel R. Gerald | 52 | Head | Head Bull Cook | Texas |
| 16 | Senga Gerald | 48 | Wife | — | Ohio |
| 17 | Albert R. Walker | 27 | Head | Sales Manager | Oregon |
| 18 | Marion E. Walker | 26 | Wife | Accountant | Washington |
| 19 | Ruth O'Bryant | 33 | Head | Stenographer | Oregon |
| 20 | Ida Holm | 34 | Partner | Stenographer | Washington |
| 21 | Ernest R. Congdon | 24 | Head | Assistant Chemist | Idaho |
| 22 | Eileen M. Congdon | 25 | Sister | Stenographer | Idaho |
| 23 | Frank Eberly | 33 | Head | Mariner | Illinois |
| 24 | Dorothy Eberly | 29 | Wife | — | Nebraska |
| 25 | Frank Sullivan | 54 | Head | — | Wisconsin |
| 26 | Margaret Sullivan | 52 | Wife | Manager | England |
| 27 | Richard M. Sullivan THIS PERSON | 23 | Son | Letter Carrier | Washington |
| 28 | Frank R. Sullivan | 13 | Son | — | Washington |
| 29 | Lawrence F. Hubble | 42 | Head | Auditor | Washington |
| 30 | Lucine E. Hubble | 42 | Wife | — | Washington |
| 31 | Maxine Hubble | 16 | Daughter | — | Washington |
| 32 | Shirley Hubble | 14 | Daughter | — | Washington |
| 33 | Patricia Hubble | 13 | Daughter | — | Washington |
| 34 | Anthony Accetturo | 32 | Head | Proprietor | Italy |
| 35 | Felina Accetturo | 26 | Wife | — | Washington |
| 36 | William Hancock | 21 | Head | Salesman | Idaho |
| 37 | Edith M. Hancock | 19 | Wife | — | Washington |
| 38 | John C. Brinsmead | 29 | Head | Manager | Nebraska |
| 39 | Henry Brinsmead | 20 | Brother | Waiter | Washington |
Related Census Records
Pedigree Summary
Richard + 1 sibling
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)