TS
Thomas Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Silver Bow, Montana
Our Model Tree links this Thomas Sullivan across the 1900, 1910 and 1920 US Censuses in Silver Bow, Montana (XGBoost, ~Confirmed), with identified parents Daniel & Margaret — first a head (b.~1887), then head of a 4-person household.
Age 33
b. ~1887
Male
Head
Born: Michigan
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Silver Bow, Montana |
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Locomotive Engineer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Locomotive Engineer |
| Township / Ward | Precinct 71 |
| Est. Birth Year | ~1887 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Sullivan | Daughter | — | 1 | ~1919 |
| Caitlyn Sullivan | Daughter | — | ~1920 | |
| Thomas Sullivan | Head | — | 33 | ~1887 |
| Florence Sullivan | Spouse | — | 29 | ~1891 |
Census Appearances
1900
Silver Bow, …
Son, age 14
Silver Bow, Montana · implied b. ~1886 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Birth Month | Feb |
| Birth Year | 1886 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Michigan |
| Occupation | at school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1910
Silver Bow, …
Son, age 24
Silver Bow, Montana · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Michigan |
| Occupation | Locomotive Engineer |
| Industry | Railway |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Silver Bow, …
Head, age 33
Silver Bow, Montana · implied b. ~1887 — 4 household members
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Michigan |
| Occupation | Locomotive Engineer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Sullivan across 3 US Census years (1900, 1910 and 1920) in Silver Bow, Montana, using XGBoost record linkage. Identified parents: father Daniel Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Sullivan
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Sullivan
Head · 1920 · age 33 · b. ~1887 · Montana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Silver Bow, Montana
Open full size
1920 US Federal Census — Silver Bow, Montana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu977unit:0116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Manley Ledgewood | 7 | — | — | Canada |
| 2 | William Gorman | 30 | Head | Miner | Michigan |
| 3 | Ruth M. Gorman | 23 | Wife | — | Canada |
| 4 | William G. Gorman | 1 | Son | — | Montana |
| 5 | Karl B. Mcmillan | 26 | Head | Bookkeeper | Missouri |
| 6 | Frances Mcmillan | 23 | Wife | — | Montana |
| 7 | Margery A. Mcmillan | 0 | Daughter | — | Montana |
| 8 | Mark Barich | 36 | Head | Retail Merchant | Jugo Slav |
| 9 | Anna Barich | 25 | Wife | — | Jugo Slav |
| 10 | Mary E. Barich | 1 | Daughter | — | Montana |
| 11 | George Britton | 30 | Head | Miner | Pennsylvania |
| 12 | Marion Britton | 26 | Wife | — | Iowa |
| 13 | Anton B. Jacobson | 34 | Head | Carpenter | Norway |
| 14 | Hilda Jacobson | 37 | Wife | — | Norway |
| 15 | Alfred H. Jacobson | 9 | Son | — | Utah |
| 16 | Arnold W. Jacobson | 6 | Son | — | Oregon |
| 17 | Pearl B. Jacobson | 4 | Son | — | Oregon |
| 18 | Harold A. Jacobson | 2 | Son | — | Montana |
| 19 | Thomas Sullivan THIS PERSON | 33 | Head | Locomotive Engineer | Michigan |
| 20 | Florence Sullivan | 29 | Wife | — | Montana |
| 21 | Carolyn Sullivan | 1 | Daughter | — | Montana |
| 22 | Caitlyn Sullivan | 0 | Daughter | — | Montana |
| 23 | Eugene E. Vigina | 33 | Head | Miner | Nebraska |
| 24 | Edith E. Vigina | 24 | Wife | — | Montana |
| 25 | Ethel Vigina | 2 | Daughter | — | Montana |
| 26 | Frankie Vigina | 1 | Son | — | Montana |
| 27 | William F. Patrick | 33 | Head | Dealer | Missouri |
| 28 | Mary Patrick | 34 | Wife | — | Galicia Pol |
| 29 | Agnes Patrick | 3 | Daughter | — | Montana |
| 30 | Helen M. Patrick | 2 | Daughter | — | Montana |
| 31 | Joseph Patrick | 0 | Son | — | Montana |
| 32 | Edward Lebo | 44 | Head | Boilermaker | Michigan |
| 33 | Jennie Lebo | 42 | Wife | — | Michigan |
| 34 | Lowel Lebo | 18 | Son | Miner | Michigan |
| 35 | Clark Lebo | 14 | Son | — | Michigan |
| 36 | Lorraine Lebo | 12 | Daughter | — | Montana |
| 37 | Adilda Lebo | 10 | Daughter | — | Montana |
| 38 | Edward Lebo | 9 | Son | — | Montana |
| 39 | Woodrow Lebo | 5 | Son | — | Montana |
| 40 | Arbutus Lebo | 3 | Daughter | — | Montana |
| 41 | Jack Lebo | 2 | Son | — | Montana |
| 42 | Isabel Kennedy | 21 | Niece | Musician | Michigan |
| 43 | Edward R. Grossman | 19 | Head | Sawyer | Missouri |
| 44 | Hazel Grossman | 17 | Wife | — | Texas |
| 45 | Ole Austring | 33 | Head | Miner | Norway |
| 46 | Barbie Austring | 30 | Wife | — | Norway |
| 47 | John Austring | 0 | Son | — | Montana |
| 48 | Thomas D. Potts | 51 | Head | Miner | Ireland |
| 49 | Charlotte Potts | 35 | Wife | — | Wisconsin |
| 50 | Thomas F. Potts | 7 | Son | — | Montana |
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 1920 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)