MP
Mildred Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Mildred Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Louis & Louis — first a daughter (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Peterson |
| Given Name | Mildred E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Telephone Operator |
| Industry | Hosiery Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Telephone Operator |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Gordon Peterson | Son | — | 12 | ~1928 |
| Louis Peterson | Head | — | 55 | ~1885 |
| Earl Peterson | Son | — | 24 | ~1916 |
| Roy Peterson | Son | — | 15 | ~1925 |
| Lyda Peterson | Spouse | — | 52 | ~1888 |
| Mildred Peterson | Daughter | — | 30 | ~1910 |
| Geraldine Peterson | Daughter | — | 12 | ~1928 |
Census Appearances
1910
Hennepin, Minnesota
Daughter, age 1
Hennepin, Minnesota · implied b. ~1909 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mildred L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Hennepin, Minnesota
Daughter, age 10
Hennepin, Minnesota · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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
Hennepin, Minnesota
Daughter, age 20
Hennepin, Minnesota · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Mildred E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Looper |
| Industry | Knitting Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Daughter, age 30
Hennepin-County, Minnesota · implied b. ~1910 — 7 household members
| Surname | Peterson |
| Given Name | Mildred E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | Telephone Operator |
| Industry | Hosiery Manufacture |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 242 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Mildred Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Louis Peterson (~0.92 confidence) and father Louis Peterson (~0.92 confidence) and father Louis Peterson (~0.92 confidence) and mother Gerda Peterson (~0.92 confidence) and mother Lida Peterson (~0.92 confidence) and father Louis Peterson (~0.92 confidence) and mother Lyda Peterson (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Peterson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Louis Peterson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Louis Peterson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Gerda Peterson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Lida Peterson
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Louis Peterson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Lyda Peterson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Peterson
Daughter · 1940 · age 30 · b. ~1910 · Minnesota
★ You are viewing this record
Sibling
Geraldine Peterson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Peterson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Peterson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Peterson
Sibling · 1940 · age 15
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
1940 US Federal Census — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01976-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Comparone | 52 | Lodger | Laborer | Italy |
| 42 | Louis E Peterson | 55 | Head | Trucker | Minnesota |
| 43 | Lyda L Peterson | 52 | Wife | — | Minnesota |
| 44 | Mildred E Peterson THIS PERSON | 30 | Daughter | Telephone Operator | Minnesota |
| 45 | Earl L Peterson | 24 | Son | Florist | Minnesota |
| 46 | Roy V Peterson | 15 | Son | — | Minnesota |
| 47 | Gordon R Peterson | 12 | Son | — | Minnesota |
| 48 | Geraldine R Peterson | 12 | Daughter | — | Minnesota |
| 49 | Albert B Rodhain | 56 | Head | — | Wisconsin |
| 50 | Emma Rodhain | 46 | Wife | Nurses Aid | Minnesota |
| 51 | Alberta J Rodhain | 11 | Daughter | — | Minnesota |
| 52 | Jean A Rodhain | 9 | Daughter | — | Minnesota |
| 53 | Clifford H Lenox | 37 | Head | Mechanic | Minnesota |
| 54 | Martha E Lenox | 39 | Wife | — | Minnesota |
| 55 | Clifford Lenox | 1 | Son | — | Minnesota |
| 56 | William Ragaard | 16 | Son | — | Minnesota |
| 57 | Gloria Ragaard | 14 | Step-daughter | — | Minnesota |
| 58 | Harlie O Brown | 49 | Head | Machinist | Minnesota |
| 59 | Pearl R Brown | 41 | Wife | — | Minnesota |
| 60 | Oliver H Brown | 14 | Son | — | Minnesota |
| 61 | Dale H Brown | 11 | Son | — | Minnesota |
| 62 | Patricia Contard | 10 | Daughter | — | Minnesota |
| 63 | Vernon Katz | 24 | Lodger | Laborer | Iowa |
| 64 | William D Cardinal | 57 | Head | Salesman | Minnesota |
| 65 | Esther Cardinal | 50 | Wife | — | Minnesota |
| 66 | William J Cardinal | 15 | Son | — | Minnesota |
| 67 | Bruce Cardinal | 7 | Son | — | Minnesota |
| 68 | Clara Brakander | 86 | Mother-in-law | — | Sweden |
| 69 | William Whalen | 49 | Head | Carpenter | Wisconsin |
| 70 | Ada Whalen | 50 | Wife | Machine Operator | Wisconsin |
| 71 | Kate Rittgers | 41 | Head | Saleswoman | Iowa |
| 72 | Archie A Grant | 56 | Head | Salesman | South Dakota |
| 73 | Ethel S Grant | 48 | Wife | — | Iowa |
| 74 | Leslie A Grant | 26 | Son | Lawyer | Illinois |
| 75 | Wellington C Grant | 24 | Son | Clerical | North Dakota |
| 76 | Sylvia M O'Shea | 39 | Head | Saleswoman | Minnesota |
| 77 | James O'Shea | 12 | Son | — | Minnesota |
| 78 | Barbara O'Shea | 6 | Son | — | Minnesota |
| 79 | Mary E Sullivan | 71 | Mother | — | Minnesota |
Pedigree Summary
Mildred + 4 siblings
Gen 1 · 7 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)