MS
Mary Schroeder — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Salt Lake, Utah
Our Model Tree links this Mary Schroeder across the 1930 and 1940 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 11-person household.
Age 11
b. ~1919
Female
Daughter
Born: Utah
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Salt Lake, Utah |
| Surname | Schroeder |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1919 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| D Schroeder | Son | — | 4 | ~1926 |
| Mary Schroeder | Daughter | — | 11 | ~1919 |
| Shirley Schroeder | Daughter | — | 1 | ~1929 |
| Marjorie Schroeder | Daughter | — | 13 | ~1917 |
| Jack Schroeder | Son | — | 7 | ~1923 |
| Olga Schroeder | Daughter | — | 18 | ~1912 |
| Neda Schroeder | Spouse | — | 41 | ~1889 |
| Merle Schroeder | Daughter | — | 8 | ~1922 |
| Merle Schroeder | Son | — | 15 | ~1915 |
| Beulah Schroeder | Daughter | — | 9 | ~1921 |
| Oscar Schroeder | Head | — | 41 | ~1889 |
Census Appearances
1930
Salt Lake, …
Daughter, age 11
Salt Lake, Utah · implied b. ~1919 — 11 household members
| Surname | Schroeder |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 21
Salt-Lake-County, Utah · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schrader |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Schroeder across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Schroeder
Daughter · 1930 · age 11 · b. ~1919 · Utah
★ You are viewing this record
Sibling
Merle Schroeder
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Schroeder
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Schroeder
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olga Schroeder
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beulah Schroeder
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Schroeder
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Schroeder
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
D Schroeder
Sibling · 1930 · age 4
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 — Salt Lake, Utah
Open full size
1930 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2419unit:0302)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma S Freebairn | 51 | Head | — | Utah |
| 2 | H Earl Freebairn | 27 | Son | Manager | Utah |
| 3 | Oscar Schroeder | 41 | Head | Plumber | Nebraska |
| 4 | Neda E Schroeder | 41 | Wife | — | Colorado |
| 5 | Olga V Schroeder | 18 | Daughter | Operator | Colorado |
| 6 | Merle R Schroeder | 15 | Son | — | Utah |
| 7 | Marjorie L Schroeder | 13 | Daughter | — | Colorado |
| 8 | Mary L Schroeder THIS PERSON | 11 | Daughter | — | Utah |
| 9 | Beulah Schroeder | 9 | Daughter | — | Utah |
| 10 | Merle A Schroeder | 8 | Daughter | — | Utah |
| 11 | Jack E Schroeder | 7 | Son | — | Utah |
| 12 | D Bruce Schroeder | 4 | Son | — | Utah |
| 13 | Shirley M Schroeder | 1 | Daughter | — | Utah |
| 14 | Bessie M Bell | 47 | Head | — | Utah |
| 15 | Lyman L Bell | 27 | Son | Civil Engineer | Utah |
| 16 | Louise Bell | 24 | Daughter | Nurse | Utah |
| 17 | Robert G Bell | 22 | Son | — | Utah |
| 18 | Arthur G Girard | 53 | Head | — | Utah |
| 19 | William L Girard | 22 | Son | Chauffeur | Utah |
| 20 | Albert Lundquist | 24 | Son-in-law | Salesman | Utah |
| 21 | Edith G Lundquist | 27 | Daughter | — | Utah |
| 22 | Betty J Lundquist | 2 | Granddaughter | — | Utah |
| 23 | Cornelius Lamsen | 45 | Head | Mechanical Engineer | Holland |
| 24 | Ezina V Lamsen | 45 | Wife | — | Holland |
| 25 | Louis Lamsen | 22 | Son | Mangler | Holland |
| 26 | Arie Lamsen | 21 | Son | Chauffeur | Holland |
| 27 | Adriana Lamsen | 20 | Daughter | Mangler | Holland |
| 28 | Steve Lamsen | 18 | Son | — | Holland |
| 29 | Cornelius J Lamsen | 16 | Son | — | Utah |
| 30 | Mathew Lamsen | 14 | Son | — | Utah |
| 31 | Woodrow W Lamsen | 12 | Son | — | Utah |
| 32 | Yomand Lamsen | 9 | Son | — | Utah |
| 33 | Josephine C Lamsen | 7 | Daughter | — | Utah |
| 34 | George M Lamsen | 5 | Son | — | Utah |
| 35 | Margaret Lamsen | 3 | Daughter | — | Utah |
| 36 | Leo W Duffin | 24 | Head | Contractor | Idaho |
| 37 | Martina D Duffin | 26 | Wife | — | Idaho |
| 38 | William H Summershays | 51 | Head | Salesman | Utah |
| 39 | Lula L Summershays | 50 | Wife | — | Utah |
| 40 | Gwendolyn Summershays | 24 | Daughter | Secretary | Utah |
| 41 | Preston L Summershays | 20 | Son | — | Utah |
| 42 | Lawrence Summershays | 18 | Son | — | Utah |
| 43 | Melvin Summershays | 16 | Son | — | Utah |
| 44 | Marjorie L Summershays | 12 | Daughter | — | Utah |
| 45 | Robert Summershays | 10 | Son | — | Utah |
| 46 | Archibald Freebairn | 64 | Head | Contractor | Scotland |
| 47 | Ada G Freebairn | 60 | Wife | — | England |
| 48 | Willard G Freebairn | 23 | Son | Carpenter | Utah |
| 49 | Virginia L Freebairn | 19 | Daughter | — | Utah |
| 50 | Owen G Freebairn | 14 | Son | — | Utah |
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)