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James Mccarthy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dane-County, Wisconsin
Our Model Tree links this James Mccarthy across the 1930 and 1940 US Censuses in Dane-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 10-person household.
Age 24
b. ~1916
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dane-County, Wisconsin |
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Madison City |
| 1935 Residence (County) | Dane |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Madison City |
| Est. Birth Year | ~1916 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Madeline Mccarthy | Daughter | — | 15 | ~1925 |
| Helen Mccarthy | Daughter | — | 11 | ~1929 |
| Lois Mccarthy | Daughter | — | 18 | ~1922 |
| Catherine Mccarthy | Daughter | — | 3 | ~1937 |
| Margaret Mccarthy | Daughter | — | 20 | ~1920 |
| Thomas Mccarthy | Head | — | 49 | ~1891 |
| Lawrence Mccarthy | Son | — | 23 | ~1917 |
| Thomas Mccarthy | Son | — | 8 | ~1932 |
| James Mccarthy | Son | — | 24 | ~1916 |
| Winifred Mccarthy | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Dane, Wisconsin
Son, age 15
Dane, Wisconsin · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dane-County, Wisconsin
Son, age 24
Dane-County, Wisconsin · implied b. ~1916 — 10 household members
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Madison City |
| 1935 Residence (County) | Dane |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 James Mccarthy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mccarthy
Son · 1940 · age 24 · b. ~1916 · Wisconsin
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Sibling
Catherine Mccarthy
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Mccarthy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mccarthy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Mccarthy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccarthy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Mccarthy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccarthy
Sibling · 1940 · age 20
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 — Dane-County, Wisconsin
Open full size
1940 US Federal Census — Dane-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04470-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Horstmeyer | 25 | Daughter | Caseworker | Wisconsin |
| 42 | Ole Lofthus | 60 | Head | Carpenter | Norway |
| 43 | Minnie Lofthus | 54 | Wife | — | Wisconsin |
| 44 | Gladys R. Lofthus | 23 | Daughter | Stenographer | Wisconsin |
| 45 | Alvin R. Lofthus | 21 | Son | Insulator | Wisconsin |
| 46 | Haldor O. Koren | 39 | Roomer | Carpenter | Norway |
| 47 | Lawrence A. Friday | 30 | Head | Painter | Wisconsin |
| 48 | Mary E. Friday | 29 | Wife | Telephone Operator | Wisconsin |
| 49 | Carol E. Friday | 7 | Daughter | — | Wisconsin |
| 50 | Dean R. Friday | 5 | Son | — | Wisconsin |
| 51 | Ada L. Crary | 26 | Housekeeper | Housekeeper | Wisconsin |
| 52 | Edgar J. Matthews | 50 | Head | Carpenter | Wisconsin |
| 53 | Sarah Matthews | 36 | Wife | Housework | Wisconsin |
| 54 | Lawrence Petersen | 42 | Head | Bus Driver | Wisconsin |
| 55 | Mildred Petersen | 36 | Wife | — | Wisconsin |
| 56 | Elaine E. Petersen | 12 | Daughter | — | Wisconsin |
| 57 | George W. Dean | 29 | Head | Barber | Wisconsin |
| 58 | Helen B. Dean | 28 | Wife | — | Wisconsin |
| 59 | Kenneth E. Dean | 4 | Son | — | Wisconsin |
| 60 | David J. Dean | 2 | Son | — | Wisconsin |
| 61 | Diane K. Dean | 1 | Daughter | — | Wisconsin |
| 62 | Edna L. Tuchida | 35 | Head | Tailor | Wisconsin |
| 63 | Barbara Tuchida | 11 | Daughter | — | Wisconsin |
| 64 | Eugene Tuchida | 10 | Son | — | Michigan |
| 65 | Donald M. Tuchida | 6 | Son | — | Wisconsin |
| 66 | Thomas J. Mccarthy | 49 | Head | — | Wisconsin |
| 67 | Winifred M. Mccarthy | 42 | Wife | Police Woman | Wisconsin |
| 68 | James Mccarthy THIS PERSON | 24 | Son | — | Wisconsin |
| 69 | Lawrence R. Mccarthy | 23 | Son | — | Wisconsin |
| 70 | Margaret L. Mccarthy | 20 | Daughter | Typist | Wisconsin |
| 71 | Lois K. Mccarthy | 18 | Daughter | — | Wisconsin |
| 72 | Madeline Mccarthy | 15 | Daughter | — | Wisconsin |
| 73 | Helen E. Mccarthy | 11 | Daughter | — | Wisconsin |
| 74 | Thomas J. Mccarthy | 8 | Son | — | Wisconsin |
| 75 | Catherine A. Mccarthy | 3 | Daughter | — | Wisconsin |
| 76 | Almon E. Sater | 41 | Head | Manager | Iowa |
| 77 | Alice L. Sater | 35 | Wife | Stenographer | Minnesota |
| 78 | Clarence J. Chivers | 27 | Head | Truck Driver | Wisconsin |
| 79 | Marian E. Chivers | 30 | Wife | Saleslady | Wisconsin |
| 80 | Harry E. Wanch | 36 | Head | Traveling Salesman | Wisconsin |
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)