TM
Thomas Mcgrath — 1930 US Census Record
Model Tree available1930 United States Federal Census · Champaign, Illinois
Our Model Tree links this Thomas Mcgrath across the 1920, 1930 and 1940 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed), with identified parents Phil & Margaret — first a son (b.~1905), then head of a 3-person household.
Age 25
b. ~1905
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Illinois |
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Farmer |
| Industry | Grain Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Part Of Ivesdale Village |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcgrath | Spouse | — | 58 | ~1872 |
| Phillip Mcgrath | Head | — | 61 | ~1869 |
| Thomas Mcgrath | Son | — | 25 | ~1905 |
Census Appearances
1920
Champaign, Illinois
Son, age 15
Champaign, Illinois · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Champaign, Illinois
Son, age 25
Champaign, Illinois · implied b. ~1905 — 3 household members
| Surname | McGrath |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Grain Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Head, age 36
Champaign-County, Illinois · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Tom |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Colfax Township |
| 1935 Residence (County) | Champaign |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Mcgrath across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Phil Mcgrath (~0.92 confidence) and mother Margaret Mcgrath (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Phil Mcgrath
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Margaret Mcgrath
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Mcgrath
Son · 1930 · age 25 · b. ~1905 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Champaign, Illinois
Open full size
1930 US Federal Census — Champaign, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel410:0320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phillip J Mcgrath | 61 | Head | — | Illinois |
| 2 | Margaret Mcgrath | 58 | Wife | — | Illinois |
| 3 | Thomas Mcgrath THIS PERSON | 25 | Son | Farmer | Illinois |
| 4 | Felix Sr Sloan | 59 | Head | Laborer | Illinois |
| 5 | Mary A Sloan | 58 | Wife | — | Illinois |
| 6 | Felix Jr Sloan | 24 | Son | Agent | Illinois |
| 7 | Mary E Sloan | 21 | Daughter | Teacher | Illinois |
| 8 | John N Sloan | 18 | Son | Mechanic | Illinois |
| 9 | Bessie E Sloan | 16 | Daughter | — | Illinois |
| 10 | August F Albinger | 42 | Head | Proprietor | Illinois |
| 11 | Josephine M Albinger | 34 | Wife | — | Illinois |
| 12 | Bernard J Albinger | 6 | Son | — | Illinois |
| 13 | John P Albinger | 4 | Son | — | Illinois |
| 14 | Herman P Albinger | 3 | Son | — | Illinois |
| 15 | Leona B Albinger | 1 | Daughter | — | Illinois |
| 16 | John F Boland | 67 | Head | — | Illinois |
| 17 | Gertrude M Boland | 66 | Wife | — | Illinois |
| 18 | Harry A Perkins | 49 | Head | Highway Com | Ohio |
| 19 | Mabel P Perkins | 45 | Wife | — | Illinois |
| 20 | Wilma G Perkins | 18 | Daughter | — | Illinois |
| 21 | William V Schum | 35 | Head | Proprietor | Illinois |
| 22 | Margaret A Schum | 25 | Wife | — | Nebraska |
| 23 | Edna L Schum | 5 | Daughter | — | Illinois |
| 24 | Lucella M Schum | 2 | Daughter | — | Illinois |
| 25 | William M Schum | 0 | Son | — | Illinois |
| 26 | Michael H Hannon | 72 | Head | Manager | Illinois |
| 27 | Elizabeth Hannon | 68 | Wife | — | Illinois |
| 28 | Walter L Hannon | 28 | Son | Laborer | Illinois |
| 29 | Catherine V Cain | 67 | Head | — | Illinois |
| 30 | Edna C O'Connor | 11 | Niece | — | Illinois |
| 31 | Frank Cavanaugh | 65 | Head | Proprietor | Pennsylvania |
| 32 | Mary J Cavanaugh | 65 | Wife | — | New York |
| 33 | Michael D Cook | 66 | Head | Proprietor | Indiana |
| 34 | Mamie M Sewell | 43 | Daughter | — | Illinois |
| 35 | Walter E Sewell | 46 | Son-in-law | Manager | Illinois |
| 36 | William D Amerman | 40 | Roomer | Proprietor | Illinois |
| 37 | Henry L Strack | 40 | Head | Laborer | Illinois |
| 38 | Mary M Strack | 35 | Wife | — | Indiana |
| 39 | Hazel L Strack | 15 | Daughter | — | Illinois |
| 40 | Wilbur K Strack | 12 | Son | — | Illinois |
| 41 | Mildred C Strack | 10 | Daughter | — | Illinois |
| 42 | Teresa M Doyle | 35 | Head | Gardener | Illinois |
| 43 | Elizabeth C Doyle | 31 | Sister | Gardener | Illinois |
| 44 | Chas O Hile | 58 | Head | Proprietor | Illinois |
| 45 | Luella J Hile | 56 | Wife | — | Ohio |
| 46 | Emma Hile | 81 | Mother | — | Ohio |
| 47 | Matthew F Sherman | 36 | Head | Laborer | Illinois |
| 48 | Margaret E Sherman | 32 | Wife | — | Illinois |
| 49 | Annette Sherman | 7 | Daughter | — | Illinois |
| 50 | Patricia Sherman | 3 | Daughter | — | Illinois |
Pedigree Summary
Thomas
Gen 1 · 2 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)