WT
William Tracy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Minnehaha, South Dakota
Our Model Tree links this William Tracy across the 1930 and 1940 US Censuses in Minnehaha, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 7-person household.
Age 46
b. ~1884
Male
Head
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Minnehaha, South Dakota |
| Surname | Tracy |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | Switchman |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Switchman |
| Township / Ward | Sioux Falls City |
| Est. Birth Year | ~1884 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Alice Tracy | Spouse | — | 46 | ~1884 |
| Betty Tracy | Daughter | — | 8 | ~1922 |
| Lucille Tracy | Daughter | — | 20 | ~1910 |
| Mary Tracy | Daughter | — | 1 | ~1929 |
| William Tracy | Head | — | 46 | ~1884 |
| Edwin Tracy | Son | — | 22 | ~1908 |
| Wayne Tracy | Son | — | 17 | ~1913 |
Census Appearances
1930
Minnehaha, South …
Head, age 46
Minnehaha, South Dakota · implied b. ~1884 — 7 household members
| Surname | Tracy |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Wisconsin |
| Occupation | Switchman |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Minnehaha-County, South …
Head, age 56
Minnehaha-County, South Dakota · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux Falls City |
| 1935 Residence (County) | Minnehaha |
| Occupation | Switchman |
| Industry | R. R. Railway |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1950 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Tracy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Tracy
Head · 1930 · age 46 · b. ~1884 · South Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Minnehaha, South Dakota
Open full size
1930 US Federal Census — Minnehaha, South Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2228unit:0039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Haeber | 38 | Head | Fireman | Iowa |
| 2 | Ruby Haeber | 38 | Wife | Maid | Iowa |
| 3 | Earl Odell | 15 | Step-son | — | Minnesota |
| 4 | Hazel Odell | 13 | Step-daughter | — | Minnesota |
| 5 | George Hammer | 36 | Head | Salesman | Michigan |
| 6 | Lillian Hammer | 32 | Wife | Sales Dept | South Dakota |
| 7 | Max Hammer | 12 | Nephew | — | Minnesota |
| 8 | John H. Mustapha | 49 | Head | Stationary Engineer | Ohio |
| 9 | Fannie Mustapha | 42 | Wife | — | Ohio |
| 10 | Coy G. Mustapha | 18 | Daughter | None | Nebraska |
| 11 | Clarice Mustapha | 17 | Daughter | — | Nebraska |
| 12 | William J. Tracy THIS PERSON | 46 | Head | Switchman | Iowa |
| 13 | Alice Tracy | 46 | Wife | — | Iowa |
| 14 | Edwin J. Tracy | 22 | Son | Dry Cleaner | Iowa |
| 15 | Lucille Tracy | 20 | Daughter | Dentist Assistant | Iowa |
| 16 | Wayne Tracy | 17 | Son | Laborer | Iowa |
| 17 | Betty Tracy | 8 | Daughter | — | South Dakota |
| 18 | Mary Ann Tracy | 1 | Daughter | None | South Dakota |
| 19 | Harry Stegas | 45 | Head | Head Skinner | Greece |
| 20 | Lillie S. Stegas | 57 | Wife | — | Iowa |
| 21 | Guy Smiley | 46 | Roomer | Fireman | Kansas |
| 22 | John Milani | 37 | Roomer | Waiter | Greece |
| 23 | Harry Vassas | 42 | Roomer | Proprietor | Greece |
| 24 | Danny Darlas | 36 | Roomer | Skinner | Greece |
| 25 | Thomas Kapasakis | 45 | Roomer | Proprietor | Greece |
| 26 | George Luna | 33 | Head | — | Ohio |
| 27 | Sallie Luna | 61 | Wife | — | Missouri |
| 28 | Soren Hagen | 67 | Roomer | None | Norway |
| 29 | Jacob Hult | 68 | Roomer | None | Denmark |
| 30 | Nels P. Nelson | 70 | Roomer | None | Bohemia |
| 31 | Ida Clegg | 48 | Head | — | South Dakota |
| 32 | Olva Clegg | 23 | Daughter | Stenographer | Indiana |
| 33 | Knute Anosthom | 54 | Boarder | Painter & Decorator | Norway |
| 34 | Joseph Lewis | 52 | Roomer | Engineer | Illinois |
| 35 | William G. Jensen | 40 | Head | — | South Dakota |
| 36 | Inez Jensen | 46 | Wife | — | Illinois |
| 37 | Clyde Stral | 34 | Roomer | Accountant | South Dakota |
| 38 | Pearl Stral | 34 | Roomer | — | South Dakota |
| 39 | Charles Stral | 38 | Roomer | Doctor Of Osteopath | South Dakota |
| 40 | Martin Christensen | 28 | Roomer | Laborer | Denmark |
| 41 | Alfus Hogan | 25 | Roomer | Cooling Dept | Denmark |
| 42 | Alf Enidshagen | 23 | Roomer | Salesman | South Dakota |
| 43 | Magnus Rogkeland | 23 | Roomer | Shipping Clerk | Norway |
| 44 | William A. Defor | 48 | Head | Fireman | Illinois |
| 45 | Ida Defor | 40 | Wife | — | South Dakota |
| 46 | George Defor | 22 | Son | Baker | South Dakota |
| 47 | Valerine Defor | 20 | Daughter | None | South Dakota |
| 48 | Archie Defor | 18 | Son | Farm Laborer | South Dakota |
| 49 | Robert Defor | 16 | Son | None | South Dakota |
| 50 | Lucille Defor | 14 | Daughter | None | South Dakota |
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)