RM
Robert Mccarthy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Swift-County, Minnesota
Our Model Tree links this Robert Mccarthy across the 1920, 1930 and 1940 US Censuses in Swift-County, Minnesota (XGBoost, ~Confirmed), with identified parents Thos & William — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Swift-County, Minnesota |
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Dublin Township, Murdock |
| 1935 Residence (County) | Swift |
| Additional Details | |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 888 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Laborer |
| Township / Ward | Dublin Township Murdock |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| William Mccarthy | Head | — | 62 | ~1878 |
| Robert Mccarthy | Son | — | 26 | ~1914 |
| Elizabeth Mccarthy | Spouse | — | 50 | ~1890 |
| Dan Fitzgerald | Other | — | 69 | ~1871 |
| Mary Mccarthy | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Swift, Minnesota
Son, age 7
Swift, Minnesota · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Swift, Minnesota
Son, age 17
Swift, Minnesota · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Swift-County, Minnesota
Son, age 26
Swift-County, Minnesota · implied b. ~1914 — 5 household members
| Surname | McCarthy |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Dublin Township, Murdock |
| 1935 Residence (County) | Swift |
| Occupation | farm laborer |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 888 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thos Mccarthy (~0.92 confidence) and father William Mccarthy (~0.92 confidence) and mother Elizabeth Mccarthy (~0.92 confidence) and mother Lizzie Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thos Mccarthy
b. ~1872
Source father
● Household
· direct · ~0.92
Father
William Mccarthy
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Mccarthy
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Lizzie Mccarthy
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Mccarthy
Son · 1940 · age 26 · b. ~1914 · Minnesota
★ You are viewing this record
Sibling
Mary Mccarthy
Sibling · 1940 · age 14
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 — Swift-County, Minnesota
Open full size
1940 US Federal Census — Swift-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01963-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Walsh | 17 | daughter | — | Minnesota |
| 2 | William Walsh | 15 | son | — | Minnesota |
| 3 | Gertrude Walsh | 14 | daughter | — | Minnesota |
| 4 | Evelyn Walsh | 13 | daughter | — | Minnesota |
| 5 | Thomas Walsh | 10 | son | — | Minnesota |
| 6 | William Manney | 42 | Head | Farmer | Minnesota |
| 7 | Mary Manney | 44 | Sister | — | Minnesota |
| 8 | Joseph E. Laughlin | 60 | Head | Farmer | Minnesota |
| 9 | Kathryn Laughlin | 41 | Wife | — | Iowa |
| 10 | Maurice Laughlin | 14 | son | — | Minnesota |
| 11 | Austin Laughlin | 13 | son | — | Minnesota |
| 12 | Lois Laughlin | 11 | daughter | — | Minnesota |
| 13 | Luella Laughlin | 10 | daughter | — | Minnesota |
| 14 | Thomas Laughlin | 7 | son | — | Minnesota |
| 15 | Marie Laughlin | 5 | daughter | — | Minnesota |
| 16 | James Laughlin | 2 | son | — | Minnesota |
| 17 | Walter Laughlin | 39 | Head | Farmer | Minnesota |
| 18 | Richard Spenn | 54 | H. hand | Farm Laborer | New York |
| 19 | Joseph Flynn | 37 | Head | Farmer | Iowa |
| 20 | Helen Flynn | 31 | Wife | — | Minnesota |
| 21 | Joseph Terrence Flynn | 7 | son | — | Minnesota |
| 22 | Charles William Flynn | 3 | son | — | Minnesota |
| 23 | William Flynn | 70 | father | — | New York |
| 24 | Jane Ann Flynn | 67 | Mother | — | Iowa |
| 25 | William Mccarthy | 62 | Head | Farmer | Minnesota |
| 26 | Elizabeth Mccarthy | 50 | Wife | — | Minnesota |
| 27 | Robert Mccarthy THIS PERSON | 26 | son | Farm Laborer | Minnesota |
| 28 | Mary Gertrude Mccarthy | 14 | daughter | — | Minnesota |
| 29 | Dan Fitzgerald | 69 | H. hand | — | Minnesota |
| 30 | Frank Schaaf | 58 | Head | Farmer | Minnesota |
| 31 | Catherine Schaaf | 56 | Wife | — | Minnesota |
| 32 | Donald Schaaf | 21 | son | Farmer | Minnesota |
| 33 | Raymond Schaaf | 20 | son | — | Minnesota |
| 34 | John Schlagel | 37 | Head | Farmer | Hungary |
| 35 | Theresa Schlagel | 48 | Wife | — | Minnesota |
| 36 | John Jr. Schlagel | 26 | son | Farm Laborer | Minnesota |
| 37 | Edward Schlagel | 23 | son | Farm Laborer | Minnesota |
| 38 | Theresa Schlagel | 18 | daughter | — | Minnesota |
| 39 | Francis Schlagel | 15 | son | — | Minnesota |
| 40 | Joseph Schlagel | 78 | Head | Farmer | Austria |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 4 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)