MJ
Mary Johnston — 1930 US Census Record
Model Tree available1930 United States Federal Census · Leavenworth, Kansas
Our Model Tree links this Mary Johnston across the 1920, 1930 and 1940 US Censuses in Leavenworth, Kansas (XGBoost, ~Confirmed), with identified parents William & Catherine — first a daughter (b.~1913), then head of a 8-person household.
Age 17
b. ~1913
Female
Daughter
Born: Kansas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Leavenworth, Kansas |
| Surname | Johnston |
| Given Name | Mary A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Leavenworth City |
| Est. Birth Year | ~1913 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Johnston | Daughter | — | 19 | ~1911 |
| Jane Johnston | Daughter | — | 12 | ~1918 |
| Mary Johnston | Daughter | — | 17 | ~1913 |
| William Johnston | Head | — | 47 | ~1883 |
| William Johnston | Son | — | 14 | ~1916 |
| John Johnston | Son | — | 21 | ~1909 |
| George Johnston | Son | — | 7 | ~1923 |
| Catherine Johnston | Spouse | — | 44 | ~1886 |
Census Appearances
1920
Leavenworth, Kansas
Daughter, age 7
Leavenworth, Kansas · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Leavenworth, Kansas
Daughter, age 17
Leavenworth, Kansas · implied b. ~1913 — 8 household members
| Surname | Johnston |
| Given Name | Mary A |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Leavenworth-County, Kansas
Spouse, age 28
Leavenworth-County, Kansas · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mae |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Leavenworth City |
| 1935 Residence (County) | Leavenworth |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnston (~0.92 confidence) and mother Catherine Johnston (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnston
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Catherine Johnston
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Johnston
Daughter · 1930 · age 17 · b. ~1913 · Kansas
★ You are viewing this record
Sibling
Jane Johnston
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Johnston
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Johnston
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnston
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnston
Sibling · 1930 · age 14
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 — Leavenworth, Kansas
Open full size
1930 US Federal Census — Leavenworth, Kansas
Page Contents
50 people indexed on this census page (ia:1930:15thcensus708usce:0165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilbur R Gausey | 20 | stepson | Clerk | Kansas |
| 2 | Mary A Gausey | 15 | daughter | None | Kansas |
| 3 | Dorothy M Gausey | 12 | daughter | None | Kansas |
| 4 | Helen L Gausey | 9 | daughter | None | Kansas |
| 5 | Anton E Gausey | 8 | son | None | Kansas |
| 6 | Francis E Gausey | 6 | son | None | Kansas |
| 7 | Jacob A Wilson | 73 | father-in-law | Moulder | Ohio |
| 8 | Humphrey O'Leary | 61 | Head | Policeman | Kansas |
| 9 | Maude M O'Leary | 58 | wife | None | Kansas |
| 10 | Grace A O'Leary | 23 | daughter | Private Secretary | Kansas |
| 11 | Hannah O'Leary | 64 | sister | Operator | Kansas |
| 12 | Timothy O'Leary | 60 | brother | Laborer | Kansas |
| 13 | William C Johnston | 47 | Head | Switchman | Kansas |
| 14 | Catherine K Johnston | 44 | wife | None | Kansas |
| 15 | John H Johnston | 21 | son | Signalman | Kansas |
| 16 | Kathleen R Johnston | 19 | daughter | Student Nurse | Kansas |
| 17 | Mary A Johnston THIS PERSON | 17 | daughter | None | Kansas |
| 18 | William C Johnston | 14 | son | None | Kansas |
| 19 | Jane M Johnston | 12 | daughter | None | Kansas |
| 20 | George P Johnston | 7 | son | None | Kansas |
| 21 | Alonzo C Cox | 60 | Head | Soldier | Tennessee |
| 22 | Mathie L Cox | 56 | wife | None | Tennessee |
| 23 | Walter E Bransfield | 28 | roomer | Collector | Kansas |
| 24 | John P Lang | 26 | Head | Guard | Nebraska |
| 25 | Stella H Lang | 26 | wife | None | New Jersey |
| 26 | Richard Lang | 4 | son | None | Nebraska |
| 27 | Joseph Johnson | 32 | Head | Foreman | Alabama |
| 28 | Nettie X Johnson | 28 | wife | None | Alabama |
| 29 | Mary A Prince | 6 | granddaughter | None | Tennessee |
| 30 | Betty L Eckert | 6 | boarder | None | Kansas |
| 31 | Julius C Jagust | 53 | Head | Salesman | Kansas |
| 32 | Mary C Jagust | 46 | wife | None | Kansas |
| 33 | Blanche L Jagust | 22 | daughter | Operator | Kansas |
| 34 | Lucille C Jagust | 19 | daughter | Brusher | Kansas |
| 35 | Paul E Jagust | 16 | son | None | Kansas |
| 36 | Louis A Aaron | 75 | Head | None | Pennsylvania |
| 37 | Annie H Aaron | 73 | wife | None | Pennsylvania |
| 38 | Maria A Aaron | 27 | daughter | None | Kansas |
| 39 | John P Haley | 57 | Head | Guard | Kentucky |
| 40 | Mary M Haley | 39 | wife | None | Kansas |
| 41 | John P Haley | 15 | son | None | Kansas |
| 42 | Mary C Haley | 13 | daughter | None | Kansas |
| 43 | Edward R Haley | 11 | son | None | Kansas |
| 44 | John J Slack | 56 | Head | Laborer | Scotland |
| 45 | Clara H Slack | 42 | wife | None | Kansas |
| 46 | Leo E Slack | 22 | son | Upholsterer | Kansas |
| 47 | Blanche M Slack | 19 | daughter | Maid | Kansas |
| 48 | John G Slack | 16 | son | Helper | Kansas |
| 49 | Robert E Slack | 3 | son | None | Kansas |
| 50 | Robert E Davenport | 68 | Head | Laborer | Illinois |
Related Census Records
Pedigree Summary
Mary + 5 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)