MP
Mildred Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mildred Peterson across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Emma & Emma — first a daughter (b.~1909), then head of a 11-person household.
Age 21
b. ~1909
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Peterson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City Of Chicago |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Berger Peterson | Other | — | 5 | ~1925 |
| Berger Peterson | Son | — | 37 | ~1893 |
| Elsie Peterson | Daughter | — | 29 | ~1901 |
| Emma Peterson | Spouse | — | 64 | ~1866 |
| Louise Boyeston | Other | — | 6 | ~1924 |
| Lillian Boyeston | Daughter | — | 34 | ~1896 |
| Berger Peterson | Head | — | 62 | ~1868 |
| Vernon Peterson | Other | — | 10 | ~1920 |
| Ethel Peterson | Other | — | 2 | ~1928 |
| Mildred Peterson | Daughter | — | 21 | ~1909 |
| Bernice Boyeston | Other | — | 8 | ~1922 |
Census Appearances
1910
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petterson |
| Given Name | Mildred A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 21
Cook, Illinois · implied b. ~1909 — 11 household members
| Surname | Peterson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Mildred Peterson across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: mother Emma Peterson (~0.92 confidence) and mother Emma Peterson (~0.92 confidence) and father Berger Petterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Peterson
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Emma Peterson
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
Berger Petterson
b. ~1868
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mildred Peterson
Daughter · 1930 · age 21 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Elsie Peterson
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berger Peterson
Sibling · 1930 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Boyeston
Sibling · 1930 · age 34
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel478:0736)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Berger F Peterson | 62 | Head | Electrician | Sweden |
| 2 | Emma Peterson | 64 | Wife | — | Sweden |
| 3 | Berger Jr. Peterson | 37 | Son | Fruit Salesman | Illinois |
| 4 | Vernon Peterson | 10 | Grandson | — | Illinois |
| 5 | Berger Iii Peterson | 5 | Grandson | — | Illinois |
| 6 | Ethel Peterson | 2 | Granddaughter | — | Illinois |
| 7 | Elsie Peterson | 29 | Daughter | Office Clerk | Illinois |
| 8 | Mildred Peterson THIS PERSON | 21 | Daughter | — | Illinois |
| 9 | Lillian Boyeston | 34 | Daughter | — | Illinois |
| 10 | Bernice Boyeston | 8 | Granddaughter | — | Illinois |
| 11 | Louise Boyeston | 6 | Granddaughter | — | Illinois |
| 12 | Raymond Weber | 30 | Head | Engineer | Illinois |
| 13 | Ethel Weber | 27 | Wife | — | Iowa |
| 14 | Raymond Jr. Weber | 5 | Son | — | Illinois |
| 15 | Robert Weber | 3 | Son | — | Illinois |
| 16 | Ronald Weber | 1 | Son | — | Illinois |
| 17 | Thomas Jastrzembski | 42 | Head | Fireman | Poland |
| 18 | Victoria Jastrzembski | 38 | Wife | — | Poland |
| 19 | Joseph Jastrzembski | 15 | Son | — | Illinois |
| 20 | Joan Jastrzembski | 12 | Daughter | — | Illinois |
| 21 | Albert Wojcik | 44 | Head | Upholsterer | Poland |
| 22 | Victoria Wojcik | 40 | Wife | — | Poland |
| 23 | Eleanor Wojcik | 8 | Daughter | — | Illinois |
| 24 | Sophie Wojcik | 2 | Daughter | — | Illinois |
| 25 | William O'Grady | 38 | Head | Switchman | California |
| 26 | Julia O'Grady | 30 | Wife | — | Illinois |
| 27 | Catherine O'Grady | 1 | Daughter | — | Illinois |
| 28 | Jack Beausey | 34 | Boarder | Salesman | Illinois |
| 29 | Frances Beausey | 33 | Sister-in-law | — | Illinois |
| 30 | Constance Beausey | 7 | Niece | — | Illinois |
| 31 | Harry M. Mueller | 35 | Head | Photographer | Illinois |
| 32 | Clara Mueller | 29 | Wife | — | Illinois |
| 33 | Kenneth Mueller | 8 | Son | — | Illinois |
| 34 | Morris Macdonald | 34 | Head | Police Officer | Michigan |
| 35 | Lucille Macdonald | 25 | Wife | — | Illinois |
| 36 | James Macdonald | 0 | Son | — | Illinois |
| 37 | Michael Giet | 44 | Head | — | Germany |
| 38 | Minnie Giet | 22 | Daughter | Sewing | Illinois |
| 39 | John Giet | 21 | Son | Office Clerk | Illinois |
| 40 | Helen Giet | 19 | Daughter | Machine Operator | Illinois |
| 41 | Arthur Giet | 13 | Son | — | Illinois |
| 42 | Samuel Wexler | 39 | Head | Contractor | Russia |
| 43 | Mae Wexler | 32 | Wife | — | Poland |
| 44 | Melvin Wexler | 5 | Son | — | Illinois |
| 45 | Idabelle Wexler | 1 | Daughter | — | Illinois |
| 46 | Jacob Ross | 44 | Head | Salesman | Russia |
| 47 | Jane Ross | 38 | Wife | — | Russia |
| 48 | Hyman Ross | 15 | Son | — | Illinois |
| 49 | Mary Ross | 14 | Daughter | — | Illinois |
| 50 | Dorothy Ross | 6 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Mildred + 3 siblings
Gen 1 · 3 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)