MG
Mary Gross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Stearns-County, Minnesota
Our Model Tree links this Mary Gross across the 1930 and 1940 US Censuses in Stearns-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stearns-County, Minnesota |
| Surname | Gross |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Cloud City |
| 1935 Residence (County) | Stearns |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | St Cloud City |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lulu Gross | Spouse | — | 39 | ~1901 |
| Sidney Gross | Son | — | 13 | ~1927 |
| Erwin Gross | Head | — | 40 | ~1900 |
| Jerome Gross | Son | — | 17 | ~1923 |
| Betty Gross | Daughter | — | 15 | ~1925 |
| Lyle Gross | Son | — | 8 | ~1932 |
| Margaret Gross | Daughter | — | 6 | ~1934 |
| Mary Gross | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Stearns, Minnesota
Daughter, age 1
Stearns, Minnesota · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | North Dakota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Stearns-County, Minnesota
Daughter, age 11
Stearns-County, Minnesota · implied b. ~1929 — 8 household members
| Surname | Gross |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Cloud City |
| 1935 Residence (County) | Stearns |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 Mary Gross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gross
Daughter · 1940 · age 11 · b. ~1929 · Minnesota
★ You are viewing this record
Sibling
Jerome Gross
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidney Gross
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Gross
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Gross
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lyle Gross
Sibling · 1940 · age 8
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 — Stearns-County, Minnesota
Open full size
1940 US Federal Census — Stearns-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01961-00133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rosemary Spoden | 16 | daughter | — | Minnesota |
| 42 | Ruth Spoden | 10 | daughter | — | Minnesota |
| 43 | George Schwietz | 54 | Head | Carpenter | Minnesota |
| 44 | Johanna Schwietz | 48 | wife | — | Minnesota |
| 45 | Ben J. Laudenbach | 65 | Head | — | Minnesota |
| 46 | Anna Laudenbach | 63 | wife | — | Minnesota |
| 47 | Adolph J. Parent | 37 | Head | Proprietor | Minnesota |
| 48 | Irene Parent | 29 | wife | — | Minnesota |
| 49 | Ned Parent | 1 | son | — | Minnesota |
| 50 | Carl J. Heyn | 35 | Head | Lineman | Minnesota |
| 51 | Gertrude Heyn | 33 | wife | — | Minnesota |
| 52 | Clifford Heyn | 14 | son | — | Minnesota |
| 53 | Eugene William Heyn | 6 | son | — | Minnesota |
| 54 | Harry D. Hill | 29 | Head | Proprietor | Minnesota |
| 55 | Dorathea Hill | 26 | wife | — | Massachusetts |
| 56 | David J. Hill | 7 | son | — | Minnesota |
| 57 | H. Douglas Hill | 2 | son | — | Minnesota |
| 58 | George E. Hill | 57 | father | Proprietor | Minnesota |
| 59 | Mabel C. Hill | 56 | mother | — | Minnesota |
| 60 | Edward C. Popp | 64 | Head | — | Illinois |
| 61 | Katie H. Popp | 65 | wife | — | Minnesota |
| 62 | Erwin N. Gross | 40 | Head | Mail Carrier | Minnesota |
| 63 | Lulu Gross | 39 | wife | — | North Dakota |
| 64 | Jerome Gross | 17 | son | — | Minnesota |
| 65 | Betty Gross | 15 | daughter | — | Minnesota |
| 66 | Sidney Gross | 13 | son | — | Minnesota |
| 67 | Mary Lou Gross THIS PERSON | 11 | daughter | — | Minnesota |
| 68 | Lyle Gross | 8 | son | — | Minnesota |
| 69 | Margaret Ellen Gross | 6 | daughter | — | Minnesota |
| 70 | Ella Whitney | 48 | Head | — | Minnesota |
| 71 | Beverly Whitney | 10 | grand-daughter | — | Minnesota |
| 72 | George Brown | 41 | son-in-law | Automobile Mechanic | Minnesota |
| 73 | Bert S. Brown | 16 | grandson | Automobile Mechanic | Minnesota |
| 74 | Frank Jackowiak | 51 | Head | Stone Polisher | Minnesota |
| 75 | Mary Jackowiak | 49 | wife | — | Minnesota |
| 76 | Willard Jackowiak | 23 | son | Truck Driver | Minnesota |
| 77 | Richard Jackowiak | 19 | son | Pin Setter | Minnesota |
| 78 | Elaine Jackowiak | 17 | daughter | — | Minnesota |
| 79 | Blake Jackowiak | 12 | son | — | Minnesota |
| 80 | Craig Jackowiak | 6 | son | — | Minnesota |
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)