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Thomas Griffin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mclean, Illinois
Our Model Tree links this Thomas Griffin across the 1910, 1920 and 1930 US Censuses in Mclean, Illinois (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 66
b. ~1864
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mclean, Illinois |
| Surname | Griffin |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Towanda Township |
| Est. Birth Year | ~1864 |
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 |
|---|---|---|---|---|
| Thomas Griffin | Head | — | 66 | ~1864 |
| Thomas Griffin | Son | — | 33 | ~1897 |
| Bridget Griffin | Other | — | 64 | ~1866 |
Census Appearances
1910
Mclean, Illinois
Head, age 46
Mclean, Illinois · implied b. ~1864 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Thomas J Sr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 17 |
| Father's Birthplace | Ire. English |
| Mother's Birthplace | Ire. English |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Mclean, Illinois
Head, age 56
Mclean, Illinois · implied b. ~1864 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mclean, Illinois
Head, age 66
Mclean, Illinois · implied b. ~1864 — 3 household members
| Surname | Griffin |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Irish Free State |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 Griffin across 3 US Census years (1910, 1920 and 1930) in Mclean, Illinois, using XGBoost record linkage.
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This person
Anchor record
Thomas Griffin
Head · 1930 · age 66 · b. ~1864 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Mclean, Illinois
Open full size
1930 US Federal Census — Mclean, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel536:0491)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Betty | 1 | — | — | Illinois |
| 52 | Alonzo Devore | 27 | Head | Farmer | Illinois |
| 53 | Florence Devore | 22 | Wife | Bookkeeper | Illinois |
| 54 | Ida Devore | 64 | Mother-H | Housework | Kansas |
| 55 | Ruth Devore | 35 | Sister | — | Illinois |
| 56 | Willis Reekin | 28 | Laborer | Laborer | Indiana |
| 57 | John W. Geiger | 35 | Head | Farmer | Tennessee |
| 58 | Dora Geiger | 31 | Wife-H | — | Tennessee |
| 59 | Ethel Williams | 23 | Sister-in-law | — | Tennessee |
| 60 | Harry Stroud | 50 | Head | Farmer | Illinois |
| 61 | Albert W. Gerges | 24 | Head | Farmer | Illinois |
| 62 | Dorothy Gerges | 20 | Wife-H | — | Illinois |
| 63 | Margot Gerges | 2 | Daughter | — | Illinois |
| 64 | Henry B. Lewis | 29 | Head | Laborer | Kentucky |
| 65 | Lois Lewis | 29 | Wife-H | — | Kentucky |
| 66 | Oletha Lewis | 9 | Daughter | — | Kentucky |
| 67 | Herman Lewis | 7 | Son | — | Kentucky |
| 68 | J. C. Jones | 42 | Head | Farmer | Illinois |
| 69 | Mary R. Jones | 41 | Wife-H | — | Illinois |
| 70 | Robert Jones | 17 | Son | Helper | Illinois |
| 71 | Vernon Abbott | 21 | Laborer | Laborer | Illinois |
| 72 | Thomas Griffin THIS PERSON | 66 | Head | Farmer | Illinois |
| 73 | Bridget Griffin | 64 | Wife-H | — | Irish Free State |
| 74 | Thomas J. Griffin | 33 | Son | Farmer | Illinois |
| 75 | James Larkin | 64 | Head | Farmer | Illinois |
| 76 | Mary Larkin | 59 | Wife-H | — | Illinois |
| 77 | Mary K. Larkin | 35 | Daughter | Helper | Illinois |
| 78 | Joseph Larkin | 31 | Son | Farmer | Illinois |
| 79 | Raymond Larkin | 28 | Son | Farmer | Illinois |
| 80 | Clarence Sutter | 29 | Head | Farmer | Illinois |
| 81 | Teresa Mcgrath | 40 | Servant | Servant | Illinois |
| 82 | William Mcgrath | 14 | Son-Servant | — | Illinois |
| 83 | Francis Mcgrath | 12 | Son | — | Illinois |
| 84 | Dolores Mcgrath | 10 | Daughter | — | Illinois |
| 85 | Clifford Beal | 29 | Laborer | Laborer | Illinois |
| 86 | Will. Arndt | 48 | Head | Farmer | Germany |
| 87 | Rosa Arndt | 44 | Wife-H | — | Germany |
| 88 | Herbert Arndt | 19 | Son | Helper | Illinois |
| 89 | Linda Arndt | 17 | Daughter | Helper | Illinois |
| 90 | Wilbur Arndt | 14 | Son | Helper | Illinois |
| 91 | D. S. Carmody | 45 | Head | Farmer | Illinois |
| 92 | Helen Carmody | 41 | Wife-H | — | Illinois |
| 93 | Harold Carmody | 5 | Son | — | Illinois |
| 94 | John S. White | 38 | Head | Farmer | Illinois |
| 95 | Lottie White | 38 | Wife-H | — | Illinois |
| 96 | Clark White | 17 | Son | Helper | Illinois |
| 97 | George White | 16 | Son | Helper | Illinois |
| 98 | Emma Taylor | 63 | Aunt | — | Illinois |
| 99 | Leslie Button | 34 | Head | Laborer | Kentucky |
| 100 | Dorothy Button | 31 | Wife-H | — | Kentucky |
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)