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William Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Freeborn, Minnesota
Our Model Tree links this William Sullivan across the 1920, 1930 and 1940 US Censuses in Freeborn, Minnesota (XGBoost, ~Confirmed), with identified parents Cornelius & C — first a son (b.~1905), then head of a 11-person household.
Age 25
b. ~1905
Male
Son
Born: Minnesota
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Freeborn, Minnesota |
| Surname | Sullivan |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 23 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Bath 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| M Sullivan | Daughter | — | 21 | ~1909 |
| Mary Sullivan | Daughter | — | 16 | ~1914 |
| Lucille Sullivan | Daughter | — | 18 | ~1912 |
| E Sullivan | Head | — | 55 | ~1875 |
| Mary Sullivan | Other | — | 24 | ~1906 |
| James Sullivan | Other | — | 2 | ~1928 |
| Dorothy Sullivan | Other | — | 4 | ~1926 |
| Raymond Sullivan | Son | — | 23 | ~1907 |
| William Sullivan | Son | — | 25 | ~1905 |
| Luis Sullivan | Son | — | 14 | ~1916 |
| Margaret Sullivan | Spouse | — | 50 | ~1880 |
Census Appearances
1920
Freeborn, Minnesota
Son, age 15
Freeborn, Minnesota · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Freeborn, Minnesota
Son, age 25
Freeborn, Minnesota · implied b. ~1905 — 11 household members
| Surname | Sullivan |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 23 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Freeborn-County, Minnesota
Son, age 36
Freeborn-County, Minnesota · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Wm |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Widowed |
| Birthplace | Minnesota |
| 1935 Residence (City) | Bath Twp |
| 1935 Residence (County) | Freeborn |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 75 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 William Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cornelius Sullivan (~0.92 confidence) and father C Sullivan (~0.92 confidence) and father E Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Sullivan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
C Sullivan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
E Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Sullivan
Son · 1930 · age 25 · b. ~1905 · Minnesota
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Sibling
M Sullivan
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luis Sullivan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Sullivan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Sullivan
Sibling · 1930 · age 23
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 — Freeborn, Minnesota
Open full size
1930 US Federal Census — Freeborn, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1087:0293)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin Hagen | 57 | Lodger | — | Minnesota |
| 2 | Edward Hovde | 36 | Head | Manager | Minnesota |
| 3 | Nettie Hovde | 38 | Wife | Farmer | Iowa |
| 4 | Marie Hovde | 13 | Daughter | — | Minnesota |
| 5 | Henry E. Henderson | 56 | Lodger | Laborer | Illinois |
| 6 | Hans Peterson | 57 | Head | Farmer | Denmark |
| 7 | Margaret L. Peterson | 57 | Wife | — | Minnesota |
| 8 | Clement E. Erickson | 40 | Head | Farmer | Minnesota |
| 9 | Sylvia A. Erickson | 40 | Wife | — | Minnesota |
| 10 | Bernice E. Erickson | 16 | Daughter | — | Minnesota |
| 11 | Stanley O. Erickson | 15 | Son | — | Minnesota |
| 12 | Elizabeth E. Erickson | 9 | Son | — | Minnesota |
| 13 | Donald D. Erickson | 7 | Son | — | Minnesota |
| 14 | Stanley E. Erickson | 6 | Son | — | Minnesota |
| 15 | Dalborg A. Erickson | 4 | Daughter | — | Minnesota |
| 16 | Theodore Loven | 39 | Head | Farmer | Minnesota |
| 17 | Agnes M. Loven | 40 | Wife | — | Minnesota |
| 18 | Fred Brockoff | 44 | Head | Farmer | Russia |
| 19 | Mary Brockoff | 37 | Wife | — | Russia |
| 20 | Christ Brockoff | 17 | Son | — | Iowa |
| 21 | Pauline Brockoff | 15 | Daughter | — | Iowa |
| 22 | Mike Brockoff | 12 | Son | — | Minnesota |
| 23 | Esther Brockoff | 9 | Daughter | — | Minnesota |
| 24 | Alex Brockoff | 7 | Son | — | Minnesota |
| 25 | Mary Brockoff | 1 | Daughter | — | Minnesota |
| 26 | Nels Mikkelsen | 57 | Head | Farmer | Denmark |
| 27 | Annie M. Mikkelsen | 37 | Wife | — | Denmark |
| 28 | John Mikkelsen | 12 | Son | — | Denmark |
| 29 | Martin Mikkelsen | 9 | Son | — | Denmark |
| 30 | Esther Mikkelsen | 5 | Daughter | — | Denmark |
| 31 | Marie Mikkelsen | 3 | Daughter | — | Minnesota |
| 32 | E. H. Sullivan | 55 | Head | Farmer | Minnesota |
| 33 | Margaret J. Sullivan | 50 | Wife | — | Minnesota |
| 34 | William F. Sullivan THIS PERSON | 25 | Son | Laborer | Minnesota |
| 35 | Mary H. Sullivan | 24 | Daughter-in-law | — | Minnesota |
| 36 | Raymond Sullivan | 23 | Son | Laborer | Minnesota |
| 37 | M. Adele Sullivan | 21 | Daughter | — | Minnesota |
| 38 | Lucille H. Sullivan | 18 | Daughter | — | Minnesota |
| 39 | Mary E. Sullivan | 16 | Daughter | — | Minnesota |
| 40 | Luis Sullivan | 14 | Son | — | Minnesota |
| 41 | Dorothy J. Sullivan | 4 | Grand-daughter | — | Minnesota |
| 42 | James D. Sullivan | 2 | Grand-son | — | Minnesota |
| 43 | Michael F. Sheehan | 54 | Head | Farmer | Minnesota |
| 44 | Patrick J. Farry | 53 | Brother-in-law | Farmer | Minnesota |
| 45 | Ellen E. N. Farry | 45 | Sister | — | Minnesota |
| 46 | Margaret E. Farry | 21 | Niece | Teacher | Minnesota |
| 47 | M. Louise Farry | 17 | Niece | — | North Dakota |
| 48 | J. Bernice Farry | 14 | Niece | — | North Dakota |
| 49 | John A. Lonergan | 71 | Head | Farmer | New Hampshire |
| 50 | Catherine E. Lonergan | 67 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
William + 5 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)