WS
William Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Houghton, Michigan
Our Model Tree links this William Sullivan across the 1910, 1920 and 1930 US Censuses in Houghton, Michigan (XGBoost, ~Confirmed), with identified parents Thomas & John — first a son (b.~1909), then head of a 6-person household.
Age 21
b. ~1909
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Houghton, Michigan |
| Surname | Sullivan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Baker |
| Township / Ward | Osceola Township |
| Est. Birth Year | ~1909 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 8 | ~1922 |
| Jennie Sullivan | Daughter | — | 19 | ~1911 |
| John Sullivan | Head | — | 55 | ~1875 |
| Annie Sullivan | Other | — | 53 | ~1877 |
| William Sullivan | Son | — | 21 | ~1909 |
| John Sullivan | Son | — | 17 | ~1913 |
Census Appearances
1910
Houghton, Michigan
Son, age 2
Houghton, Michigan · implied b. ~1908 — 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 | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Houghton, Michigan
Son, age 11
Houghton, Michigan · implied b. ~1909 — 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 | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Houghton, Michigan
Son, age 21
Houghton, Michigan · implied b. ~1909 — 6 household members
| Surname | Sullivan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 William Sullivan across 3 US Census years (1910, 1920 and 1930) in Houghton, Michigan, using XGBoost record linkage. Identified parents: father Thomas Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Katherine Sullivan (~0.92 confidence) and mother Annie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Sullivan
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Katherine Sullivan
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Annie Sullivan
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Sullivan
Son · 1930 · age 21 · b. ~1909 · Michigan
★ You are viewing this record
Sibling
Margaret Sullivan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Sullivan
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1930 · age 17
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 — Houghton, Michigan
Open full size
1930 US Federal Census — Houghton, Michigan
Page Contents
49 people indexed on this census page (ia:1930:michigancensus00reel994:0169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Kantola | 67 | Head-H | None | Finland |
| 2 | Philip Kantola | 28 | Son | Laborer | Michigan |
| 3 | John Kuusela | 50 | Head | Laborer | Finland |
| 4 | Mary Kuusela | 49 | Wife-H | None | Finland |
| 5 | Esther Kuusela | 13 | Daughter | None | Michigan |
| 6 | Andrew Piala | 51 | Head | Miner | Finland |
| 7 | Ollie Piala | 48 | Wife-H | None | Finland |
| 8 | Lawrence Piala | 16 | Son | None | Michigan |
| 9 | Jacob Paulson | 48 | Head | Miner | Finland |
| 10 | Minnie Paulson | 50 | Sister-H | None | Finland |
| 11 | Matt Paulson | 45 | Brother | Miner | Finland |
| 12 | Matt Jr Paulson | 20 | Son-H | Miner | New Jersey |
| 13 | John Paulson | 16 | Son-H | None | New Jersey |
| 14 | Dan Conklin | 79 | Head | Overseer | New York State |
| 15 | John Huttunen | 54 | Head | Laborer | Finland |
| 16 | Mary Huttunen | 40 | Wife-H | None | Finland |
| 17 | Edna Huttunen | 16 | Daughter | Housework | Michigan |
| 18 | Wilbert Huttunen | 15 | Son | None | Michigan |
| 19 | Leslie Huttunen | 12 | Daughter | None | Michigan |
| 20 | Raymond Huttunen | 10 | Son | None | Michigan |
| 21 | Nick Jupinich | 42 | Head | Miner | Jugo Slavia |
| 22 | Annie Jupinich | 43 | Wife-H | None | Jugo Slavia |
| 23 | Nick Jr Jupinich | 16 | Son | Laborer | Michigan |
| 24 | John Jupinich | 15 | Son | None | Michigan |
| 25 | Danya Jupinich | 13 | Daughter | None | Michigan |
| 26 | Frank Jupinich | 12 | Son | None | Michigan |
| 27 | Joseph Jupinich | 10 | Son | None | Michigan |
| 28 | Mary Jupinich | 5 | Daughter | None | Michigan |
| 29 | Maud Jupinich | 3 | Daughter | None | Michigan |
| 30 | Jacob Nikko | 45 | Head | Miner | Jugo Slavia |
| 31 | Mary Nikko | 38 | Wife-H | None | Jugo Slavia |
| 32 | John Nikko | 19 | Son | Laborer | Michigan |
| 33 | Mary Nikko | 17 | Daughter | Maid | Michigan |
| 34 | Annie Nikko | 15 | Daughter | None | Michigan |
| 35 | Sophie Nikko | 14 | Daughter | None | Michigan |
| 36 | Alice Nikko | 10 | Daughter | None | Michigan |
| 37 | Dorothy Nikko | 9 | Daughter | None | Michigan |
| 38 | Lucille Nikko | 8 | Daughter | None | Michigan |
| 39 | George Nikko | 7 | Son | None | Michigan |
| 40 | Martha Nikko | 5 | Daughter | None | Michigan |
| 41 | John R Sullivan | 55 | Head | Engineer-Hoist | New York State |
| 42 | Annie Sullivan | 53 | Wife-H | None | Michigan |
| 43 | William Sullivan THIS PERSON | 21 | Son | Baker | Michigan |
| 44 | Jennie Sullivan | 19 | Daughter | Housework | Michigan |
| 45 | John Sullivan | 17 | Son | Laborer | Michigan |
| 46 | Margaret Sullivan | 8 | Daughter | None | Michigan |
| 47 | James Cleary | 72 | Head | Miner | England |
| 48 | Ellen B Cleary | 60 | Wife-H | None | England |
| 49 | Thomas Cleary | 36 | Son | Painter | Michigan |
Pedigree Summary
William + 3 siblings
Gen 1 · 5 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)