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James Mccarthy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this James Mccarthy across the 1920, 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Kate — first a son (b.~1917), then head of a 5-person household.
Age 13
b. ~1917
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Mccarthy | Daughter | — | 18 | ~1912 |
| Katherine Mccarthy | Head | — | 47 | ~1883 |
| Joseph Mccarthy | Son | — | 13 | ~1917 |
| James Mccarthy | Son | — | 13 | ~1917 |
| Edward Mccarthy | Son | — | 23 | ~1907 |
Census Appearances
1920
Polk, Iowa
Son, age 2
Polk, Iowa · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 13
Polk, Iowa · implied b. ~1917 — 5 household members
| Surname | McCarthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 23
Polk-County, Iowa · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Carthy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 0 |
| Highest Grade | C-4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Kate Mc Carthy (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Kate Mc Carthy
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mccarthy
Son · 1930 · age 13 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
Kathryn Mccarthy
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccarthy
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mccarthy
Sibling · 1930 · 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
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel677:0826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Roy E Clarkson | 34 | Head | Police Detective | Iowa |
| 52 | Maida M Clarkson | 30 | Wife | — | Missouri |
| 53 | Dorothy E Clarkson | 12 | Daughter | — | Iowa |
| 54 | Thomas Mccully | 58 | Head | Vice President | Scotland |
| 55 | Phoebe Mccully | 60 | Wife | — | Iowa |
| 56 | Alexander Macdonald | 50 | Head | Tool Dresser | Canada-Eng |
| 57 | Margaret E Macdonald | 45 | Wife | — | Canada-Eng |
| 58 | Lucille M Macdonald | 13 | Daughter | — | Iowa |
| 59 | Ross M Macdonald | 8 | Son | — | Iowa |
| 60 | Robert G Macdonald | 8 | Son | — | Iowa |
| 61 | Dale H Jerome | 40 | Head | Custodian | Illinois |
| 62 | Mary Jerome | 36 | Wife | — | Minnesota |
| 63 | Henry Jerome | 17 | Son | — | Iowa |
| 64 | David Jerome | 14 | Son | — | Iowa |
| 65 | Adam M Mcgregor | 37 | Head | Smoker | Canada-Eng |
| 66 | Faye D Mcgregor | 34 | Wife | — | Iowa |
| 67 | Marion H Klugman | 15 | Step-daughter | — | Illinois |
| 68 | Geraldine F Klugman | 14 | Step-daughter | — | Michigan |
| 69 | Francis R Klugman | 9 | Step-son | — | Iowa |
| 70 | Robert B Klugman | 7 | Step-son | — | Iowa |
| 71 | Mason H Wood | 19 | Head | Enameler | Iowa |
| 72 | Emma Wood | 19 | Wife | — | Iowa |
| 73 | Henry Schmachtenberger | 60 | Head | Engineer | Iowa |
| 74 | Clara Schmachtenberger | 58 | Wife | — | Holland |
| 75 | Herman Schmachtenberger | 21 | Son | Asst Engineer | Iowa |
| 76 | Hazel Schmachtenberger | 17 | Daughter | — | Iowa |
| 77 | Anna Moore | 52 | Head | — | Germany |
| 78 | Katherine Mccarthy | 47 | Head | Matron | Illinois |
| 79 | Edward J Mccarthy | 23 | Son | Machinist | Iowa |
| 80 | Kathryn Mccarthy | 18 | Daughter | Filing Clerk | Iowa |
| 81 | James Mccarthy THIS PERSON | 13 | Son | — | Iowa |
| 82 | Joseph Mccarthy | 13 | Son | — | Iowa |
| 83 | Charles Parkison | 30 | Head | Car Inspector | Iowa |
| 84 | Esther Parkison | 28 | Wife | — | Iowa |
| 85 | Margaret Parkison | 8 | Daughter | — | Iowa |
| 86 | Mary Parkison | 6 | Daughter | — | Iowa |
| 87 | George E Shuttle | 54 | Head | Carpenter | Iowa |
| 88 | April E Shuttle | 49 | Wife | — | Iowa |
| 89 | Leon B Shuttle | 23 | Nephew | Bookkeeper | Iowa |
| 90 | Francis Myers | 62 | Head | — | Iowa |
| 91 | Carrie Myers | 61 | Wife | — | Iowa |
| 92 | — | None | — | — | — |
| 93 | Robert A Tuttle | 52 | Head | Credit Man | Montana |
| 94 | Ada M Tuttle | 37 | Wife | — | Iowa |
| 95 | Lyman E Johnson | 50 | Head | Manager | Iowa |
| 96 | Millie Johnson | 50 | Wife | — | Iowa |
| 97 | Bert L Moore | 37 | Head | Clerk | Missouri |
| 98 | Margaret Moore | 35 | Wife | — | Illinois |
| 99 | John Mccann | 9 | Step-son | — | Illinois |
| 100 | Robert Mccann | 7 | Step-son | — | Iowa |
Related Census Records
Pedigree Summary
James + 3 siblings
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)