RM
Robert Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Robert Mccarthy across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 12-person household.
Age 19
b. ~1921
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Occupation | Helper |
| Industry | Bakery Co |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 24 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Helper |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1921 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Florence Mccarthy | Spouse | — | 37 | ~1903 |
| Harry Mccarthy | Head | — | 51 | ~1889 |
| James Mccarthy | Son | — | 15 | ~1925 |
| Patricia Mccarthy | Daughter | — | 9 | ~1931 |
| Florence Mccarthy | Daughter | — | 18 | ~1922 |
| Bessie Mccarthy | Daughter | — | 14 | ~1926 |
| Eugenia Mccarthy | Daughter | — | 3 | ~1937 |
| Louisa Mccarthy | Daughter | — | 2 | ~1938 |
| Mildred Mccarthy | Daughter | — | 11 | ~1929 |
| Gerald Mccarthy | Son | — | ~1940 | |
| Robert Mccarthy | Son | — | 19 | ~1921 |
| Ealen Mccarthy | Daughter | — | 5 | ~1935 |
Census Appearances
1930
St Louis, …
Son, age 9
St Louis, Missouri · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 19
St.-Louis-City-County, Missouri · implied b. ~1921 — 12 household members
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Occupation | Helper |
| Industry | Bakery Co |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 24 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| 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 Robert Mccarthy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mccarthy
Son · 1940 · age 19 · b. ~1921 · Missouri
★ You are viewing this record
Sibling
Mildred Mccarthy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louisa Mccarthy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccarthy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Mccarthy
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ealen Mccarthy
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Mccarthy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Mccarthy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Mccarthy
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugenia Mccarthy
Sibling · 1940 · age 3
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-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02202-00279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melia Wercher | 42 | Head | Dress Maker | Missouri |
| 2 | Wayne Wercher | 19 | Son | Machinist | Missouri |
| 3 | Kathleen Wercher | 15 | Daughter | — | Missouri |
| 4 | James P. Harvey | 41 | Brother | Laborer | Missouri |
| 5 | Sarah H. Fricke | 29 | Head | Cashier | Illinois |
| 6 | Donald Fricke | 10 | Son | — | Missouri |
| 7 | John Frederick Fricke | 2 | Son | — | Missouri |
| 8 | Olive Ruth Davis | 79 | Mother | — | Missouri |
| 9 | Oliver Caulley | 31 | Head | Mill Worker | Missouri |
| 10 | Marguerite Caulley | 26 | Wife | — | Idaho |
| 11 | Oliver Gene Caulley | 6 | Son | — | Missouri |
| 12 | Ruth Marie Caulley | 3 | Daughter | — | Missouri |
| 13 | Milton Montgomery | 26 | Head | Maintainer | Missouri |
| 14 | Bernadine Montgomery | 29 | Wife | — | Missouri |
| 15 | Robert Montgomery | 6 | Son | — | Missouri |
| 16 | William Montgomery | 4 | Son | — | Missouri |
| 17 | Lorraine Montgomery | 2 | Daughter | — | Missouri |
| 18 | Terrence Johnson | 25 | Roomer | Radio Repair | Missouri |
| 19 | Violet Johnson | 23 | Wife | — | Missouri |
| 20 | Harriett Johnson | 4 | Daughter | — | Missouri |
| 21 | Lucille Johnson | 2 | Daughter | — | Missouri |
| 22 | Harry Mccarthy | 51 | Head | Cleaner | Missouri |
| 23 | Florence Mccarthy | 37 | Wife | — | Missouri |
| 24 | Robert Mccarthy THIS PERSON | 19 | Son | Helper | Missouri |
| 25 | Florence Mccarthy | 18 | Daughter | Helper | Missouri |
| 26 | James Mccarthy | 15 | Son | — | Missouri |
| 27 | Bessie Mccarthy | 14 | Daughter | — | Missouri |
| 28 | Mildred Mccarthy | 11 | Daughter | — | Missouri |
| 29 | Patricia Mccarthy | 9 | Daughter | — | Missouri |
| 30 | Ealen Mccarthy | 5 | Daughter | — | Missouri |
| 31 | Eugenia Mccarthy | 3 | Daughter | — | Missouri |
| 32 | Louisa Mccarthy | 2 | Daughter | — | Missouri |
| 33 | Gerald Mccarthy | 0 | Son | — | Missouri |
| 34 | Frank Ketham | 72 | Head | — | Indiana |
| 35 | Mary E. Ketham | 68 | Wife | — | Indiana |
| 36 | Henry J. Wilmes | 46 | Head | Carpenter | Illinois |
| 37 | Alma Wilmes | 42 | Wife | — | Illinois |
| 38 | Barbra Marie Wilmes | 22 | Daughter | General Work | Illinois |
| 39 | Loretta Wilmes | 4 | Daughter | — | Missouri |
| 40 | Donald Wilmes | 3 | Grandson | — | 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)