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William Hartman — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hennepin, Minnesota
Our Model Tree links this William Hartman across the 1910, 1920 and 1930 US Censuses in Hennepin, Minnesota (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Male
Son
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hennepin, Minnesota |
| Surname | Hartman |
| Given Name | William T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | City Minneapolis |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Hartman | Head | — | 46 | ~1884 |
| William Hartman | Son | — | 22 | ~1908 |
| Ida Hartman | Other | — | 44 | ~1886 |
| Florence Hartman | Daughter | — | 20 | ~1910 |
Census Appearances
1910
Hennepin, Minnesota
Son, age 2
Hennepin, Minnesota · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Hennepin, Minnesota
Son, age 12
Hennepin, Minnesota · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 22
Hennepin, Minnesota · implied b. ~1908 — 4 household members
| Surname | Hartman |
| Given Name | William T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| 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 William Hartman across 3 US Census years (1910, 1920 and 1930) in Hennepin, Minnesota, using XGBoost record linkage. Identified parents: father William Hartman (~0.92 confidence) and father William Hartman (~0.92 confidence) and father William Hartman (~0.92 confidence) and mother Cora Hartman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hartman
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Hartman
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Hartman
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Cora Hartman
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hartman
Son · 1930 · age 22 · b. ~1908 · Minnesota
★ You are viewing this record
Sibling
Florence Hartman
Sibling · 1930 · age 20
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 — Hennepin, Minnesota
Open full size
1930 US Federal Census — Hennepin, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1098:0676)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd J Preble | 35 | Head | Steel Worker | Wisconsin |
| 2 | Edith Preble | 35 | Wife-H | None | Wisconsin |
| 3 | Alvin Preble | 11 | Son | None | Wisconsin |
| 4 | Wesley Preble | 8 | Son | None | Wisconsin |
| 5 | Mavis Preble | 5 | Daughter | None | Wisconsin |
| 6 | Eugene Preble | 3 | Son | None | Minnesota |
| 7 | Charlotte Ann Preble | 1 | Daughter | None | Minnesota |
| 8 | Mary Johnson | 67 | Mother | None | Sweden |
| 9 | Jean Lindstrom | 54 | Head | Seamstress | Sweden |
| 10 | Hans T Hoganson | 54 | Head | Meat Market | Wisconsin |
| 11 | Olag Hoganson | 50 | Wife-H | None | Norway |
| 12 | Oseppa Hoganson | 22 | Daughter | None | Iowa |
| 13 | Hildah Hoganson | 20 | Son | Meat Cutter | Iowa |
| 14 | Clayton Olson | 35 | Head | Policeman | Iowa |
| 15 | Rose Olson | 33 | Wife-H | None | Sweden |
| 16 | Beverly Olson | 3 | Daughter | None | Minnesota |
| 17 | Otto J Strom | 52 | Head | Carpenter | Sweden |
| 18 | Jennie Strom | 49 | Wife-H | None | Sweden |
| 19 | June Strom | 14 | Son | None | Minnesota |
| 20 | James Warr | 26 | Head | Auto Mechanic | Minnesota |
| 21 | May Warr | 23 | Wife-H | Sorter | Minnesota |
| 22 | Charles Lindstrom | 33 | Head | Iron Mfg. | Minnesota |
| 23 | Esther Lindstrom | 33 | Wife-H | None | Iowa |
| 24 | Marilyn Lindstrom | 11 | Daughter | None | Minnesota |
| 25 | Dorothy Lindstrom | 9 | Daughter | None | Minnesota |
| 26 | Charlotte Lindstrom | 6 | Daughter | None | Minnesota |
| 27 | Jean Lindstrom | 4 | Daughter | None | Minnesota |
| 28 | Don Lindstrom | 2 | Son | None | Minnesota |
| 29 | William T Hartman | 46 | Head | Installation | Minnesota |
| 30 | Ida Hartman | 44 | Wife-H | None | Wisconsin |
| 31 | William T Hartman THIS PERSON | 22 | Son | None | Minnesota |
| 32 | Florence E Hartman | 20 | Daughter | Stenographer | Minnesota |
| 33 | Philip E Hultgren | 24 | Head | Bronze Worker | Minnesota |
| 34 | Ethel Hultgren | 23 | Wife-H | None | Minnesota |
| 35 | Raymond J Morris | 24 | Head | None | Minnesota |
| 36 | Florence Morris | 24 | Wife-H | Auditing Dept | Minnesota |
| 37 | Alfred J Lindstrom | 58 | Head | Clerk | Sweden |
| 38 | Christine Lindstrom | 48 | Wife-H | None | Minnesota |
| 39 | Kenneth Lindstrom | 22 | Son | None | Minnesota |
| 40 | Loraine Lindstrom | 11 | Daughter | None | Minnesota |
| 41 | Carl A Henderson | 46 | Head | Police Officer | Sweden |
| 42 | Marie Henderson | 47 | Wife-H | None | Sweden |
| 43 | Ethel Henderson | 20 | Daughter | Clerk | Minnesota |
| 44 | Earl H Henderson | 17 | Son | None | Minnesota |
| 45 | Earl H Clark | 30 | Head | Musician | Wisconsin |
| 46 | Merle Clark | 26 | Wife-H | None | Wisconsin |
| 47 | Janice Clark | 5 | Daughter | None | Wisconsin |
| 48 | James Clark | 4 | Son | None | Minnesota |
| 49 | Inge Knuteson | 57 | Mother | Salesman | Norway |
| 50 | Arthur F Radsliff | 35 | Head | None | Minnesota |
Pedigree Summary
William + 1 sibling
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)