RS
Richard Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Richard Sullivan across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Sullivan |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Additional Details | |
| Highest Grade | No 5 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Meacham Park Unincorporated |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Violet Sullivan | Daughter | — | 11 | ~1929 |
| Richard Sullivan | Son | — | 14 | ~1926 |
| Lovan Sullivan | Daughter | — | 9 | ~1931 |
| Robert Sullivan | Son | — | 6 | ~1934 |
| Robert Sullivan | Head | — | 32 | ~1908 |
| Juniata Sullivan | Daughter | — | 4 | ~1936 |
| Norma Sullivan | Spouse | — | 31 | ~1909 |
| Donney Sullivan | Son | — | 2 | ~1938 |
| Joy Sullivan | Daughter | — | 7 | ~1933 |
Census Appearances
1930
St Louis, …
Son, age 3
St Louis, Missouri · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Son, age 14
St.-Louis-County, Missouri · implied b. ~1926 — 9 household members
| Surname | Sullivan |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Highest Grade | No 5 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Sullivan
Son · 1940 · age 14 · b. ~1926 · Missouri
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Sibling
Juniata Sullivan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sullivan
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donney Sullivan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joy Sullivan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Sullivan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lovan Sullivan
Sibling · 1940 · age 9
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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02147-00669)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred L. Hennessy | 75 | Head | Laborer | English Canada |
| 42 | George L. Becker | 37 | Head | Laborer | Missouri |
| 43 | Olive Becker | 34 | Wife | — | Wyoming |
| 44 | Rosalie Becker | 1 | Daughter | — | Missouri |
| 45 | Joseph D. Hug | 58 | Head | — | Missouri |
| 46 | Mamie D. Hug | 48 | Wife | — | Missouri |
| 47 | Bernard Hug | 27 | Son | Laborer | Missouri |
| 48 | Vincent Hug | 25 | Son | Laborer | Missouri |
| 49 | Francis Hug | 22 | Son | Laborer | Missouri |
| 50 | Robert Sullivan | 32 | Head | Laborer | Missouri |
| 51 | Norma Sullivan | 31 | Wife | — | Missouri |
| 52 | Violet Sullivan | 11 | Daughter | — | Missouri |
| 53 | Lovan Sullivan | 9 | Daughter | — | Missouri |
| 54 | Joy Sullivan | 7 | Daughter | — | Missouri |
| 55 | Robert Sullivan | 6 | Son | — | Missouri |
| 56 | Juniata Sullivan | 4 | Daughter | — | Missouri |
| 57 | Donney Sullivan | 2 | Son | — | Missouri |
| 58 | Richard Sullivan THIS PERSON | 14 | Son | — | Missouri |
| 59 | Benjamin Kostert | 39 | Head | Laborer | Missouri |
| 60 | Verna Kostert | 28 | Wife | — | Missouri |
| 61 | William Kostert | 4 | Son | — | Missouri |
| 62 | Ronald Kostert | 2 | Son | — | Missouri |
| 63 | John W. Russel | 66 | Head | Conductor | Missouri |
| 64 | Robert Russel | 18 | Son | — | Missouri |
| 65 | Mary Woster | 69 | Head | — | Missouri |
| 66 | Harry Hugenthal | 33 | Head | Florist | Missouri |
| 67 | Pauline Hugenthal | 25 | Wife | — | Missouri |
| 68 | Wanda Hugenthal | 8 | Daughter | — | Missouri |
| 69 | Phillip W. Hugenthal | 6 | Son | — | Missouri |
| 70 | Gene H. Hugenthal | 1 | Daughter | — | Missouri |
| 71 | Mary J. Hugenthal | 0 | Daughter | — | Missouri |
| 72 | Frankie Smith | 35 | Head | — | Arkansas |
| 73 | Clyde Smith | 18 | Son | New Worker | Missouri |
| 74 | Carl Smith | 14 | Son | — | Missouri |
| 75 | Barbara Smith | 10 | Daughter | — | Missouri |
| 76 | Juniata Smith | 9 | Daughter | — | Missouri |
| 77 | Brown Jr. Smith | 7 | Son | — | Missouri |
| 78 | Donald Smith | 5 | Son | — | Missouri |
| 79 | Frank Smith | 3 | Son | — | Missouri |
| 80 | Elaine Smith | 0 | Daughter | — | Missouri |
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)