TS
Thomas Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Big Stone, Minnesota
Our Model Tree links this Thomas Sullivan across the 1910, 1920 and 1930 US Censuses in Big Stone, Minnesota (XGBoost, ~Confirmed), with identified parents James & Emily — first a son (b.~1905), then head of a 8-person household.
Age 25
b. ~1905
Male
Son
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Big Stone, Minnesota |
| Surname | Sullivan |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Ortonville Township |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Shirley Sullivan | Daughter | — | 32 | ~1898 |
| Ashley Sullivan | Daughter | — | 29 | ~1901 |
| Mary Martinson | Daughter | — | 37 | ~1893 |
| James Sullivan | Head | — | 68 | ~1862 |
| Markus Martinson | Other | — | 44 | ~1886 |
| John Sullivan | Son | — | 43 | ~1887 |
| Thomas Sullivan | Son | — | 25 | ~1905 |
| Emily Sullivan | Spouse | — | 68 | ~1862 |
Census Appearances
1910
Big Stone, …
Son, age 6
Big Stone, Minnesota · implied b. ~1904 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | New England |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Big Stone, …
Son, age 16
Big Stone, Minnesota · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Big Stone, …
Son, age 25
Big Stone, Minnesota · implied b. ~1905 — 8 household members
| Surname | Sullivan |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 (1910, 1920 and 1930) in Big Stone, Minnesota, using XGBoost record linkage. Identified parents: father James Sullivan (~0.92 confidence) and mother Emily Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and mother Emily Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Sullivan
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Emily Sullivan
b. ~1862
Source mother
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Emily Sullivan
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Sullivan
Son · 1930 · age 25 · b. ~1905 · Minnesota
★ You are viewing this record
Sibling
Mary Martinson
Sibling · 1930 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Sullivan
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ashley Sullivan
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1930 · age 43
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 — Big Stone, Minnesota
Open full size
1930 US Federal Census — Big Stone, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1080:0090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alice M. | 2 | Daughter | — | Minnesota |
| 52 | George M. King | 44 | Head | — | Illinois |
| 53 | Anna C. King | 40 | Wife | — | New York |
| 54 | John C. Tracy | 23 | Boarder | — | South Dakota |
| 55 | Richard J. Mclane | 72 | Head | Laborer | New Jersey |
| 56 | Julia Mclane | 74 | Sister | Housekeeper | New Jersey |
| 57 | Richard J. Jr. Mclane | 25 | Son | — | Minnesota |
| 58 | Rose A. Stein | 18 | Servant | Farmer | Minnesota |
| 59 | James L. Blake | 45 | Head | Servant | Ohio |
| 60 | Veronica E. Blake | 32 | Wife | Farmer | Indiana |
| 61 | Bernard J. Blake | 17 | Son | — | South Dakota |
| 62 | Joseph F. Blake | 15 | Son | — | Minnesota |
| 63 | Vernon R. Blake | 11 | Son | — | Minnesota |
| 64 | James H. Sullivan | 68 | Head | — | Minnesota |
| 65 | Emily S. Sullivan | 68 | Wife | Farmer | Minnesota |
| 66 | John W. Sullivan | 43 | Son | — | Minnesota |
| 67 | Shirley V. Sullivan | 32 | Daughter | Farmer | Minnesota |
| 68 | Ashley M. Sullivan | 29 | Daughter | — | Minnesota |
| 69 | Thomas J. Sullivan THIS PERSON | 25 | Son | — | Minnesota |
| 70 | Markus Martinson | 44 | Son-in-law | Laborer | Norway |
| 71 | Mary M. Martinson | 37 | Daughter | Plasterer | Minnesota |
| 72 | Carl A. Skoog | 53 | Head | — | Sweden |
| 73 | Emma L. Skoog | 42 | Wife | Farmer | Sweden |
| 74 | Eddy M. Skoog | 18 | Daughter | — | Minnesota |
| 75 | Elizabeth M. Skoog | 15 | Daughter | — | Minnesota |
| 76 | Mildred C. Skoog | 5 | Daughter | — | Minnesota |
| 77 | John Lindquist | 71 | Boarder | — | Sweden |
| 78 | Thomas Casey | 67 | Head | Laborer | Minnesota |
| 79 | Margaret A. Casey | 53 | Wife | — | Minnesota |
| 80 | Matthew H. Casey | 28 | Son | — | Minnesota |
| 81 | Thomas F. Casey | 26 | Son | Farmer | Minnesota |
| 82 | William R. Casey | 22 | Son | Farmer | Minnesota |
| 83 | Helen Casey | 20 | Daughter | Farmer | Minnesota |
| 84 | John L. Casey | 18 | Son | — | Minnesota |
| 85 | Margaret Casey | 15 | Daughter | — | Minnesota |
| 86 | Mark Casey | 13 | Son | — | Minnesota |
| 87 | Dennis J. Boyles | 47 | Head | — | Canada French |
| 88 | Mary O. Boyles | 52 | Wife | Laborer | Illinois |
| 89 | Francis P. Boyles | 24 | Daughter | — | Minnesota |
| 90 | Edward J. Boyles | 23 | Son | — | Minnesota |
| 91 | Joseph G. Boyles | 21 | Son | Farmer | Minnesota |
| 92 | Alphonsus Boyles | 19 | Son | Laborer | Minnesota |
| 93 | Mary B. Boyles | 17 | Daughter | Laborer | Minnesota |
| 94 | Dennis P. Boyles | 16 | Son | — | Minnesota |
| 95 | Leo B. Boyles | 14 | Son | — | Minnesota |
| 96 | Timothy J. Boyles | 13 | Son | — | Minnesota |
| 97 | Henry Kapaun | 56 | Head | — | Minnesota |
| 98 | Catherine Kapaun | 56 | Wife | Farmer | Minnesota |
| 99 | Patrick Kapaun | 21 | Son | — | South Dakota |
| 100 | Catherine Kapaun | 17 | Daughter | Farmer | Montana |
Pedigree Summary
Thomas + 4 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)