MC
Mary Cowan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Davidson, Tennessee
Our Model Tree links this Mary Cowan across the 1920 and 1930 US Censuses in Davidson, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 6-person household.
Age 2
b. ~1918
Female
Daughter
Born: Tennessee
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Davidson, Tennessee |
| Surname | Cowan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Nashville Part Of |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Cowan | Son | — | 12 | ~1908 |
| William Cowan | Head | — | 37 | ~1883 |
| Gaston Cowan | Son | — | 14 | ~1906 |
| Mary Cowan | Daughter | — | 2 | ~1918 |
| Eloise Cowan | Daughter | — | 17 | ~1903 |
| Mattie Cowan | Spouse | — | 30 | ~1890 |
Census Appearances
1920
Davidson, Tennessee
Daughter, age 2
Davidson, Tennessee · implied b. ~1918 — 6 household members
| Surname | Cowan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Daughter, age 11
Davidson, Tennessee · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | Martha S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 (1920 and 1930) in Davidson, Tennessee, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cowan
Daughter · 1920 · age 2 · b. ~1918 · Tennessee
★ You are viewing this record
Sibling
Gaston Cowan
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cowan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Cowan
Sibling · 1920 · age 17
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
1920 US Federal Census — Davidson, Tennessee
Open full size
1920 US Federal Census — Davidson, Tennessee
Page Contents
46 people indexed on this census page (ia:1920:14thcensusofpopu1734unit:0762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cordelia Cunningham | 33 | Servant | Cook | Tennessee |
| 6 | William Cowan | 37 | Head | Porter | Tennessee |
| 7 | Mattie Cowan | 30 | Wife | — | Tennessee |
| 8 | Eloise Cowan | 17 | Daughter | — | Tennessee |
| 9 | Gaston Cowan | 14 | Son | — | Tennessee |
| 10 | William Jr. Cowan | 12 | Son | — | Tennessee |
| 11 | Mary Cowan THIS PERSON | 2 | Daughter | — | Tennessee |
| 12 | Robert Jackson | 52 | Head | Laborer | Virginia |
| 13 | Ida May Jackson | 51 | Wife | — | Tennessee |
| 14 | Annie Jackson | 41 | Son | Laborer | Tennessee |
| 15 | Andrew Jackson | 17 | Son | — | Tennessee |
| 16 | Edward Jackson | 15 | Son | — | Tennessee |
| 17 | Charles Jackson | 12 | Son | — | Tennessee |
| 18 | Joseph Craig | 52 | Head | — | Ireland |
| 19 | Sarah Craig | 22 | Daughter | Clerk | Tennessee |
| 20 | George Craig | 21 | Son | — | Tennessee |
| 21 | James Lansford | 50 | Head | — | Tennessee |
| 22 | Gertrude Lansford | 40 | Wife | — | Tennessee |
| 23 | Thelma Lansford | 14 | Daughter | — | Tennessee |
| 24 | Albert Lansford | 6 | Son | — | Tennessee |
| 25 | James Couch | 42 | Head | Laborer | Tennessee |
| 26 | Jennie Couch | 42 | Wife | — | Tennessee |
| 27 | Louisa Couch | 17 | Daughter | — | Tennessee |
| 28 | Dorothy Couch | 15 | Daughter | — | Tennessee |
| 29 | James Couch | 7 | Son | — | Tennessee |
| 30 | Mary Couch | 0 | Daughter | — | Tennessee |
| 31 | John Ford | 30 | Head | Fireman | Tennessee |
| 32 | Annie Ford | 28 | Wife | — | Tennessee |
| 33 | James Ford | 11 | Son | — | Tennessee |
| 34 | Katherine Ford | 10 | Daughter | — | Tennessee |
| 35 | Ernest Moore | 33 | Head | Laborer | Tennessee |
| 36 | Lula Moore | 32 | Wife | — | Tennessee |
| 37 | Lillie Moore | 6 | Daughter | — | Tennessee |
| 38 | Edward Moore | 2 | Son | — | Tennessee |
| 39 | William Tidwell | 27 | Head | Woodworker | Tennessee |
| 40 | Annie Tidwell | 25 | Wife | — | Tennessee |
| 41 | Robert Tidwell | 2 | Son | — | Tennessee |
| 42 | Vernon Tidwell | 1 | Son | — | Tennessee |
| 43 | William Bush | 35 | Head | Laborer | Tennessee |
| 44 | Lucille Bush | 33 | Wife | — | Tennessee |
| 45 | William Bush | 14 | Son | — | Tennessee |
| 46 | James Chisum | 50 | Head | — | Tennessee |
| 47 | Sallie Chisum | 41 | Wife | — | Tennessee |
| 48 | John Chisum | 18 | Son | Stockkeeper | Tennessee |
| 49 | James Russell | 29 | Head | Engineer | Kentucky |
| 50 | Hattie E Russell | 22 | Wife | — | Tennessee |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)