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Thomas Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Sangamon, Illinois
Our Model Tree links this Thomas Davis across the 1910, 1920 and 1930 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed), with identified parents Edward & Edward — 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 | Sangamon, Illinois |
| Surname | Davis |
| Given Name | Thomas H. |
| 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 | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | New Berlin Village |
| 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 |
|---|---|---|---|---|
| Roberta Davis | Daughter | — | 19 | ~1911 |
| Edward Davis | Head | — | 56 | ~1874 |
| Sarah Forbes | Other | — | 75 | ~1855 |
| Thomas Davis | Son | — | 23 | ~1907 |
| Martha Davis | Spouse | — | 52 | ~1878 |
Census Appearances
1910
Sangamon, Illinois
Son, age 3
Sangamon, Illinois · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thomas H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Sangamon, Illinois
Son, age 13
Sangamon, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| 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
Sangamon, Illinois
Son, age 23
Sangamon, Illinois · implied b. ~1907 — 5 household members
| Surname | Davis |
| Given Name | Thomas H. |
| 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 | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Davis across 3 US Census years (1910, 1920 and 1930) in Sangamon, Illinois, using XGBoost record linkage. Identified parents: father Edward Davis (~0.92 confidence) and father Edward Davis (~0.92 confidence) and father Edward Davis (~0.92 confidence) and mother Martha Davis (~0.92 confidence) and mother Martha Davis (~0.92 confidence) and mother Mae Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Davis
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Edward Davis
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Edward Davis
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Martha Davis
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Martha Davis
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mae Davis
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Davis
Son · 1930 · age 23 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
Roberta Davis
Sibling · 1930 · age 19
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 — Sangamon, Illinois
Open full size
1930 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel558:0439)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Shank | 53 | Head | Laborer | Illinois |
| 2 | Gertrude E. Shank | 47 | Wife | — | Illinois |
| 3 | Dewey E. Nordike | 27 | Son-in-law | Mechanic | Illinois |
| 4 | Lucille M. Nordike | 23 | Daughter | — | Illinois |
| 5 | Lawrence Luby | 54 | Head | Janitor | Illinois |
| 6 | Grace R. Luby | 48 | Wife | — | Illinois |
| 7 | Mary A. Mcginnis | 73 | Head | Homemaker | Pennsylvania |
| 8 | Mary A. Mcginnis | 46 | Daughter | Servant | Illinois |
| 9 | Elizabeth L. Mcginnis | 44 | Daughter | Saleswoman | Illinois |
| 10 | Helen A. Mcginnis | 31 | Daughter | Bookkeeper | Illinois |
| 11 | Fred W. Breeding | 39 | Head | Proprietor | Illinois |
| 12 | Grace E. Breeding | 36 | Wife | — | Illinois |
| 13 | Geraldine E. Breeding | 13 | Daughter | — | Illinois |
| 14 | Annabelle Breeding | 6 | Daughter | — | Illinois |
| 15 | John C. Mcmillan | 56 | Head | Doctor | Illinois |
| 16 | Maude E. Mcmillan | 51 | Wife | — | Illinois |
| 17 | Lee G. Mcmillan | 21 | Son | Doctor | Illinois |
| 18 | Ella M. Mcmillan | 15 | Daughter | — | Illinois |
| 19 | John V. Kirby | 29 | Roomer | Teacher | Illinois |
| 20 | Otto A. Nuss | 29 | Roomer | Teacher | Nebraska |
| 21 | Frank Shank | 56 | Head | Laborer | Illinois |
| 22 | Lucy N. Shank | 50 | Wife | — | Illinois |
| 23 | Luella G. Shank | 13 | Daughter | — | Illinois |
| 24 | William Shank | 62 | Brother | — | Illinois |
| 25 | George Shank | 52 | Brother | Laborer | Illinois |
| 26 | Elizabeth Hington | 74 | Head | Homemaker | Pennsylvania |
| 27 | Edward J. Davis | 56 | Head | Postmaster | Illinois |
| 28 | Martha A. Davis | 52 | Wife | — | Illinois |
| 29 | Thomas H. Davis THIS PERSON | 23 | Son | Clerk | Illinois |
| 30 | Roberta N. Davis | 19 | Daughter | Stenographer | Illinois |
| 31 | Sarah C. Forbes | 75 | Mother-in-law | — | Kentucky |
| 32 | Frank G. Lovell | 61 | Head | Carrier | Illinois |
| 33 | Mary A. Lovell | 56 | Wife | — | Illinois |
| 34 | Gayle G. Lovell | 24 | Son | Salesman | Illinois |
| 35 | Howard P. Lovell | 21 | Son | Bookkeeper | Illinois |
| 36 | Thomas J. Mc Laughlin | 56 | Head | Laborer | Illinois |
| 37 | Angeline Mc Laughlin | 56 | Wife | — | Illinois |
| 38 | Fred Knecht | 79 | Head | Laborer | Switzerland |
| 39 | Drusilla Knecht | 61 | Wife | — | Illinois |
| 40 | Rebecca Jarrett | 73 | Head | Lodging - Housekeeper | Illinois |
| 41 | Jesse B. Carter | 38 | Boarder | Proprietor | Illinois |
| 42 | Leo B. Stapleton | 26 | Head | Cashier | Illinois |
| 43 | Catherine R. Stapleton | 20 | Wife | — | Illinois |
| 44 | Catherine Miller | 48 | Head | Homemaker | Illinois |
| 45 | Frances M. Miller | 40 | Sister | Bookkeeper | Illinois |
| 46 | Rose C. Miller | 37 | Sister | Waitress | Illinois |
| 47 | Jacob Gebhart | 44 | Boarder | Truck Driver | Illinois |
| 48 | William P. Guler | 34 | Boarder | Clerk | Illinois |
| 49 | Lawrence L. White | 27 | Boarder | Attendant | Illinois |
| 50 | Thomas Mc Donald | 67 | Boarder | Foreman | Illinois |
Related Census Records
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 6 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)