MC
Mary Cowan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jackson, Missouri
Our Model Tree links this Mary Cowan across the 1930 and 1940 US Censuses in Jackson, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 5-person household.
Age 8
b. ~1922
Female
Daughter
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jackson, Missouri |
| Surname | Cowan |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1922 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hazel Cowan | Spouse | — | 36 | ~1894 |
| Mary Cowan | Daughter | — | 8 | ~1922 |
| Gloria Cowan | Daughter | — | 6 | ~1924 |
| Martin Cowan | Head | — | 38 | ~1892 |
| Grace Dyer | Other | — | 55 | ~1875 |
Census Appearances
1930
Jackson, Missouri
Daughter, age 8
Jackson, Missouri · implied b. ~1922 — 5 household members
| Surname | Cowan |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Massachusetts |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Spouse, age 19
Jackson-County, Missouri · implied b. ~1921 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | Margaret W. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cowan
Daughter · 1930 · age 8 · b. ~1922 · Missouri
★ You are viewing this record
Sibling
Gloria Cowan
Sibling · 1930 · age 6
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 — Jackson, Missouri
Open full size
1930 US Federal Census — Jackson, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1197:1029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas A Stratton | 41 | Head | Agent | Kansas |
| 2 | Ellen G Stratton | 38 | Wife | — | Missouri |
| 3 | Thomas Stratton | 2 | Son | — | Missouri |
| 4 | John W Stickle | 27 | Head | Driver | Missouri |
| 5 | Eugenia Stickle | 22 | Wife | — | Missouri |
| 6 | Shirley Ann Stickle | 2 | Daughter | — | Missouri |
| 7 | Leo Rensing | 28 | Head | Laborer | Germany |
| 8 | Anna Rensing | 64 | Mother | — | Germany |
| 9 | Theresa Rensing | 22 | Sister | — | Germany |
| 10 | Edward W Griffin | 36 | Head | Accountant | Missouri |
| 11 | Louise Griffin | 32 | Wife | — | Missouri |
| 12 | William B Griffin | 9 | Son | — | Missouri |
| 13 | James Thomas Griffin | 5 | Son | — | Missouri |
| 14 | Martin J Cowan | 38 | Head | Policeman | Illinois |
| 15 | Hazel M Cowan | 36 | Wife | — | Massachusetts |
| 16 | Mary Elizabeth Cowan THIS PERSON | 8 | Daughter | — | Missouri |
| 17 | Gloria E Cowan | 6 | Daughter | — | Missouri |
| 18 | Grace Dyer | 55 | Mother-in-law | — | Illinois |
| 19 | Philip Hoffman | 39 | Head | Inspector | Missouri |
| 20 | Bess Hoffman | 30 | Wife | — | Minnesota |
| 21 | William Hoffman | 9 | Son | — | Minnesota |
| 22 | Richard Hoffman | 6 | Son | — | Minnesota |
| 23 | Philip Hoffman | 3 | Son | — | Minnesota |
| 24 | Gladys Freeman | 25 | Maid | Maid | Missouri |
| 25 | Clifton W Sparks | 43 | Head | Conductor | Arkansas |
| 26 | Rhoda M Sparks | 39 | Wife | — | Arkansas |
| 27 | Mary E Sparks | 14 | Adopted Daughter | — | Missouri |
| 28 | Clifton W Jr Sparks | 8 | Adopted Son | — | Missouri |
| 29 | Ross E Anderson | 32 | Head | Salesman | Missouri |
| 30 | Edith Anderson | 32 | Wife | — | Kansas |
| 31 | Ross E Jr Anderson | 9 | Son | — | Missouri |
| 32 | Betty Anderson | 7 | Daughter | — | Kansas |
| 33 | Henry G Hoffman | 35 | Head | Manager | Missouri |
| 34 | Leona E Hoffman | 34 | Wife | — | Kansas |
| 35 | Henry A Hoffman | 10 | Son | — | Missouri |
| 36 | Kenneth R Hoffman | 7 | Son | — | Missouri |
| 37 | Harry Eagle | 45 | Head | Salesman | Missouri |
| 38 | Ethel M Eagle | 39 | Wife | Music Teacher | Kansas |
| 39 | John C Eagle | 79 | Father | Carrier | Illinois |
| 40 | Lucy M Eagle | 61 | Mother | — | Missouri |
| 41 | Esther A Terpening | 33 | Head | Stenographer | Michigan |
| 42 | Estella Terpening | 61 | Mother | — | Michigan |
| 43 | William Mcdonald | 30 | Head | Commercial Traveler | Canada English |
| 44 | Lavina Mcdonald | 27 | Wife | — | Minnesota |
| 45 | Georgia H Plahn | 39 | Head | Salesman | Illinois |
| 46 | Ruth E Plahn | 37 | Wife | — | Illinois |
| 47 | Leland H Sofrans | 39 | Head | Electrician | Missouri |
| 48 | Margaret V Sofrans | 37 | Wife | — | Kansas |
| 49 | Henry F Mos | 24 | Head | Salesman | Missouri |
| 50 | Helen J Mos | 23 | Wife | — | Iowa |
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)