MJ
Mary John — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary John across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 7-person household.
Age 50
b. ~1880
Female
Spouse
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | John |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1880 |
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 |
|---|---|---|---|---|
| Dorothy John | Daughter | — | 12 | ~1918 |
| John John | Head | — | 56 | ~1874 |
| Mary King | Daughter | — | 27 | ~1903 |
| Ruth John | Daughter | — | 7 | ~1923 |
| Louis King | Son | — | 1 | ~1929 |
| Mary John | Spouse | — | 50 | ~1880 |
| Mary King | Daughter | — | 3 | ~1927 |
Census Appearances
1930
St Louis, …
Spouse, age 50
St Louis, Missouri · implied b. ~1880 — 7 household members
| Surname | John |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Spouse, age 63
St.-Louis-City-County, Missouri · implied b. ~1877 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | John |
| Given Name | Marsha |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Industry | 0 |
| Highest Grade | No 3 |
| 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 John across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary John
Spouse · 1930 · age 50 · b. ~1880 · Missouri
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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:missouricensus00reel1229:0638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Providence Dales | 10 | Daughter | — | Missouri |
| 2 | Charles Monteroso | 32 | Head | Laborer | Italy |
| 3 | Mary Monteroso | 25 | Wife | — | Italy |
| 4 | Theodore Monteroso | 9 | Son | — | Missouri |
| 5 | Joseph Monteroso | 6 | Son | — | Missouri |
| 6 | Catherine Monteroso | 4 | Daughter | — | Michigan |
| 7 | Frances Monteroso | 2 | Daughter | — | Missouri |
| 8 | Marie Monteroso | 0 | Daughter | — | Missouri |
| 9 | Grace Cox | 56 | Head | — | Missouri |
| 10 | Michael Lombardo | 46 | Head | Laborer | Italy |
| 11 | Sarah Lombardo | 40 | Wife | — | Italy |
| 12 | John Lombardo | 20 | Son | Shoe Polisher | Italy |
| 13 | Rose Lombardo | 16 | Daughter | — | Missouri |
| 14 | Grace Lombardo | 14 | Daughter | — | Missouri |
| 15 | Minnie Lombardo | 12 | Daughter | — | Missouri |
| 16 | Rose M. Lombardo | 5 | Daughter | — | Missouri |
| 17 | Julius Winston | 43 | Head | Proprietor | Russia |
| 18 | Mollie Winston | 37 | Wife | — | Russia |
| 19 | Bessie Winston | 14 | Daughter | — | Missouri |
| 20 | Earl Winston | 11 | Son | — | Missouri |
| 21 | Shirley Winston | 8 | Daughter | — | Missouri |
| 22 | John John | 56 | Head | Porter | Missouri |
| 23 | Mary John THIS PERSON | 50 | Wife | — | Missouri |
| 24 | Dorothy John | 12 | Daughter | — | Missouri |
| 25 | Ruth John | 7 | Daughter | — | Missouri |
| 26 | Mary King | 27 | Daughter | Varnisher | Missouri |
| 27 | Mary King | 3 | Daughter | — | Missouri |
| 28 | Louis King | 1 | Son | — | Missouri |
| 29 | Philip Orlando | 33 | Head | Laborer | Italy |
| 30 | Rosie Orlando | 23 | Wife | — | Italy |
| 31 | Dominic Orlando | 7 | Son | — | Missouri |
| 32 | Philipina Orlando | 4 | Daughter | — | Missouri |
| 33 | Pardy Orlando | 3 | Daughter | — | Missouri |
| 34 | George Niemeyer | 41 | Head | Sign Hanger | Missouri |
| 35 | Beatrice Niemeyer | 30 | Wife | — | Illinois |
| 36 | Mary Gielmski | 47 | Head | — | Missouri |
| 37 | Agnes Gielmski | 28 | Daughter | Seamstress | Missouri |
| 38 | Irene Gielmski | 21 | Daughter | Clerk | Missouri |
| 39 | Irene Gielmski | 18 | Daughter | Bookbinder | Missouri |
| 40 | Raymond Gielmski | 16 | Son | Operator | Missouri |
| 41 | William Fischer | 31 | Head | Chauffeur | Missouri |
| 42 | Bertha Fischer | 37 | Wife | — | Illinois |
| 43 | Maxine Fischer | 12 | Daughter | — | Illinois |
| 44 | Jeff Yancy | 37 | Head | Dishwasher | Arkansas |
| 45 | Jessie Yancy | 37 | Wife | — | Arkansas |
| 46 | Floyd Yancy | 17 | Son | Stitcher | Arkansas |
| 47 | Lloyd Yancy | 15 | Son | — | Arkansas |
| 48 | Lifton Yancy | 5 | Son | — | Arkansas |
| 49 | John Bednarkiewicz | 70 | Head | — | Poland Germ. |
| 50 | Agnes Bednarkiewicz | 70 | Wife | — | Poland Germ. |
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)