MS
Mary Strong — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Strong across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 7-person household.
Age 44
b. ~1886
Female
Head
Born: Missouri
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Strong |
| Given Name | Mary M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| Age at First Marriage | 24 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1886 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Strong | Head | — | 44 | ~1886 |
| Florence Strong | Daughter | — | 6 | ~1924 |
| Robert Strong | Son | — | 1 | ~1929 |
| Donald Strong | Son | — | 8 | ~1922 |
| Vivian Strong | Daughter | — | 14 | ~1916 |
| Henry Strong | Son | — | 11 | ~1919 |
| James Strong | Son | — | 18 | ~1912 |
Census Appearances
1930
St Louis, …
Head, age 44
St Louis, Missouri · implied b. ~1886 — 7 household members
| Surname | Strong |
| Given Name | Mary M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| Age at First Marriage | 24 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Other, age 56
St.-Louis-City-County, Missouri · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Strong |
| Given Name | Mary L. |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Occupation | Saleslady |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2118 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Strong across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Strong
Head · 1930 · age 44 · b. ~1886 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1242:0592)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edw Henry Sauer | 61 | Head | — | Missouri |
| 2 | Minnie S Sauer | 54 | Wife | — | Missouri |
| 3 | Lillian Sauer | 25 | Daughter | — | Missouri |
| 4 | Dorothy Sauer | 12 | Daughter | — | Missouri |
| 5 | Mary M Strong THIS PERSON | 44 | Head | — | Missouri |
| 6 | James Strong | 18 | Son | — | Missouri |
| 7 | Vivian Strong | 14 | Daughter | — | Missouri |
| 8 | Henry Strong | 11 | Son | — | Missouri |
| 9 | Donald Strong | 8 | Son | — | Missouri |
| 10 | Florence Strong | 6 | Daughter | — | Missouri |
| 11 | Robert Strong | 1 | Son | — | Missouri |
| 12 | John Storman | 51 | Head | — | Missouri |
| 13 | Lillie Storman | 48 | Wife | — | Missouri |
| 14 | John Storman | 25 | Son | — | Missouri |
| 15 | Henry Altman | 68 | Head | — | Germany |
| 16 | Flora Altman | 66 | Wife | — | Germany |
| 17 | Ben Altman | 34 | Son | Turner | Missouri |
| 18 | Louis Altman | 42 | Head | Doctor | Missouri |
| 19 | Edith Altman | 40 | Wife | — | Missouri |
| 20 | Shirley Altman | 1 | Daughter | — | Missouri |
| 21 | Vincent Lynch | 45 | Head | Plumber | Missouri |
| 22 | Ida Lynch | 41 | Wife | — | Missouri |
| 23 | Louis Kuhlmann | 44 | Head | — | Missouri |
| 24 | Elsa Kuhlmann | 32 | Wife | Specialist | Missouri |
| 25 | Harold Kuhlmann | 14 | Son | Journalist | Missouri |
| 26 | Ralph Kuhlmann | 11 | Son | Office Boy | Missouri |
| 27 | John Pfeiffer | 59 | Head | — | Missouri |
| 28 | Louise M Pfeiffer | 51 | Wife | — | Missouri |
| 29 | Viola Pfeiffer | 27 | Daughter | — | Missouri |
| 30 | John Pfeiffer | 14 | Son | — | Missouri |
| 31 | Geo Macdonald | 54 | Head | Laborer | Illinois |
| 32 | Martha Macdonald | 54 | Wife | — | Wisconsin |
| 33 | Caroline Macdonald | 15 | Daughter | — | Missouri |
| 34 | William Vandover | 51 | Head | — | Missouri |
| 35 | Minnie Vandover | 48 | Wife | — | Missouri |
| 36 | Minnie Vandover | 77 | Mother | — | Germany |
| 37 | William Vandover | 28 | Head | Carpenter | Missouri |
| 38 | Gladys Vandover | 27 | Wife | — | Missouri |
| 39 | Walter Vandover | 4 | Son | — | Missouri |
| 40 | Joseph Vandover | 27 | Head | — | Missouri |
| 41 | Mary Vandover | 26 | Wife | — | Missouri |
| 42 | William Vandover | 35 | Head | Conductor | Missouri |
| 43 | Margaret Vandover | 30 | Wife | — | Missouri |
| 44 | Elizabeth Vandover | 70 | Wife | — | Missouri |
| 45 | Arthur Schmitt | 33 | Head | Salesman | Missouri |
| 46 | Alice Schmitt | 27 | Wife | — | Missouri |
| 47 | Fred Fogel | 47 | Head | Foreman | Germany |
| 48 | Annie Fogel | 48 | Wife | — | Germany |
| 49 | William Delisle | 40 | Head | — | Missouri |
| 50 | Rosella Delisle | 34 | Wife | — | Missouri |
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)