TM
Thomas Mccarthy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Thomas Mccarthy across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | McCarthy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Building Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Draftsman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1907 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Michael Mccarthy | Son | — | 21 | ~1909 |
| Charlotte Mccarthy | Daughter | — | 19 | ~1911 |
| Thomas Mccarthy | Head | — | 51 | ~1879 |
| Mary Mccarthy | Spouse | — | 48 | ~1882 |
| Thomas Mccarthy | Son | — | 23 | ~1907 |
Census Appearances
1910
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCarthy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1907 — 5 household members
| Surname | McCarthy |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Draftsman |
| Industry | Building Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Thomas Mccarthy across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Thomas Mccarthy (~0.92 confidence) and father Thomas Mccarthy (~0.92 confidence) and mother Mary Mccarthy (~0.92 confidence) and mother Mary Mccarthy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Mccarthy
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Thomas Mccarthy
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Mary Mccarthy
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mary Mccarthy
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mccarthy
Son · 1930 · age 23 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
Charlotte Mccarthy
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Mccarthy
Sibling · 1930 · age 21
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel427:0591)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gustave Throm | 44 | Head | Agent | Sweden |
| 2 | Signe Throm | 40 | Wife | — | Sweden |
| 3 | Arnold Throm | 13 | Son | — | Illinois |
| 4 | Kenneth Throm | 8 | Son | — | Illinois |
| 5 | Elmer J. West | 55 | Head | Cashier | Pennsylvania |
| 6 | Agnes West | 50 | Wife | — | Indiana |
| 7 | Gilbert West | 14 | Son | — | Illinois |
| 8 | Edward P. Kelly | 50 | Head | President | Illinois |
| 9 | Josephine Kelly | 50 | Wife | — | Illinois |
| 10 | Edward Jr. Kelly | 23 | Son | Accountant | Illinois |
| 11 | Marion J. Kelly | 20 | Daughter | — | Illinois |
| 12 | Charles D. Kelly | 16 | Son | — | Illinois |
| 13 | William J. Stewart | 54 | Head | Mechanic | Canada English |
| 14 | Lydia M. Stewart | 53 | Wife | — | Illinois |
| 15 | Christing M. Stewart | 23 | Daughter | Bookkeeper | Indiana |
| 16 | Jane J. Stewart | 19 | Daughter | General Office | Indiana |
| 17 | Carl F. Spahn | 51 | Head | Salesman Wholesale | Indiana |
| 18 | Mildred Spahn | 49 | Wife | — | Indiana |
| 19 | Robert J. Spahn | 26 | Son | — | Illinois |
| 20 | Helen Spahn | 25 | Daughter | — | Illinois |
| 21 | George B. Bruner | 51 | Head | Superintendent | Illinois |
| 22 | Bertha Bruner | 52 | Wife | — | Illinois |
| 23 | Harold W. Smith | 46 | Head | Salesman | Norway |
| 24 | Ida Smith | 46 | Wife | — | Sweden |
| 25 | Harold G. Smith | 22 | Son | — | Illinois |
| 26 | Gordon K. Smith | 20 | Son | — | Illinois |
| 27 | R. Burton Smith | 14 | Son | — | Illinois |
| 28 | John D. Smith | 8 | Son | — | Illinois |
| 29 | Henry B. Schaffner | 33 | Head | Bricklayer | Illinois |
| 30 | Alma Schaffner | 33 | Wife | — | Illinois |
| 31 | Anna Schaffner | 11 | Daughter | — | Illinois |
| 32 | Henry J. Schaffner | 8 | Son | — | Illinois |
| 33 | Alma D. Schaffner | 5 | Daughter | — | Illinois |
| 34 | Fred Schaffner | 1 | Son | — | Illinois |
| 35 | Elizabeth Scholz | 44 | Head | — | Illinois |
| 36 | Harriett Scholz | 22 | Daughter | Stenographer | Illinois |
| 37 | Edward Hussey | 29 | Roomer | Boiler Maker | Illinois |
| 38 | Ada Eilers | 44 | Roomer | Vault Attendant | Minnesota |
| 39 | Thomas F. Mccarthy | 51 | Head | Inspector | Illinois |
| 40 | Mary J. Mccarthy | 48 | Wife | — | Illinois |
| 41 | Thomas Mccarthy THIS PERSON | 23 | Son | Draftsman | Illinois |
| 42 | Michael Mccarthy | 21 | Son | Draftsman | Illinois |
| 43 | Charlotte Mccarthy | 19 | Daughter | — | Illinois |
| 44 | Ben E. Gelford | 47 | Head | Truck Driver | Illinois |
| 45 | Edna W. Gelford | 43 | Wife | — | Pennsylvania |
| 46 | Ralph E. Gelford | 13 | Son | — | Illinois |
| 47 | Melvin Gelford | 12 | Son | — | Illinois |
| 48 | Patrick J. Neylon | 33 | Head | Inspector | Kansas |
| 49 | Marie J. Neylon | 32 | Wife | — | Pennsylvania |
| 50 | Jacqueline Neylon | 6 | Daughter | — | Illinois |
Pedigree Summary
Thomas + 2 siblings
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 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)