MC
Mary Case — 1920 US Census Record
Linked across censuses1920 United States Federal Census · None, None
Our Model Tree links this Mary Case across the 1910 and 1920 US Censuses (XGBoost, ~Confirmed) — first a daughter (b.~1901), then head of a 8-person household.
Age 19
b. ~1901
Female
Daughter
Born: Kentucky
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | None, None |
| Surname | Case |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Est. Birth Year | ~1901 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Case | Daughter | — | 19 | ~1901 |
| Melvina Case | Spouse | — | 48 | ~1872 |
| Ruth Case | Daughter | — | 5 | ~1915 |
| John Case | Son | — | 11 | ~1909 |
| Homer Case | Son | — | 10 | ~1910 |
| George Case | Son | — | 15 | ~1905 |
| Robert Case | Son | — | 13 | ~1907 |
| George Case | Head | — | 50 | ~1870 |
Census Appearances
1910
None, None
Daughter, age 10
None, None · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | Mattie L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
None, None
Daughter, age 19
None, None · implied b. ~1901 — 8 household members
| Surname | Case |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Case across 2 US Census years (1910 and 1920) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Case
Daughter · 1920 · age 19 · b. ~1901 · None
★ You are viewing this record
Sibling
Homer Case
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Case
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Case
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Case
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Case
Sibling · 1920 · age 5
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 — None, None
Open full size
1920 US Federal Census — None, None
Page Contents
25 people indexed on this census page (ia:1920:14thcensusofpopu1489unit:0750)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary P V Darnell | 66 | Head | — | Illinois |
| 52 | Alvin S Darnell | 40 | Son | Laborer Day | Illinois |
| 53 | Joseph C Mason | 36 | Head | Laborer Day | Oklahoma |
| 54 | Mable C Mason | 26 | Wife | — | Kansas |
| 55 | Hal S Mason | 8 | Son | — | Oklahoma |
| 56 | Florence Martindale | 51 | Head | — | Isle of Guernsey |
| 57 | George P Case | 50 | Head | Postmaster | Kentucky |
| 58 | Melvina A Case | 48 | Wife | — | Kentucky |
| 59 | Mary E Case THIS PERSON | 19 | Daughter | — | Kentucky |
| 60 | George G Case | 15 | Son | — | Kentucky |
| 61 | Robert B Case | 13 | Son | — | Kentucky |
| 62 | John L Case | 11 | Son | — | Kentucky |
| 63 | Homer H Case | 10 | Son | — | Kentucky |
| 64 | Ruth D Case | 5 | Daughter | — | Oklahoma |
| 65 | William Harper | 42 | Head | Painter | Kansas |
| 66 | Jennie Harper | 38 | Wife | — | Kansas |
| 67 | Earl D Harper | 16 | Son | — | Kansas |
| 68 | Vada M Harper | 14 | Daughter | — | Kansas |
| 69 | Ester B Harper | 9 | Daughter | — | Kansas |
| 70 | James A Harper | 8 | Son | — | Kansas |
| 71 | William D Harper | 1 | Son | — | Oklahoma |
| 72 | Nancy A Jones | 58 | Head | — | Arkansas |
| 73 | Emel G Jones | 18 | Son | — | Arkansas |
| 74 | Minnette Jones | 14 | Daughter | — | Arkansas |
| 75 | Roger A Bass | 48 | Head | Clerk | 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)