MR
Mary Robbins — 1920 US Census Record
Model Tree available1920 United States Federal Census · York, South Carolina
Our Model Tree links this Mary Robbins across the 1920, 1930 and 1940 US Censuses in York, South Carolina (XGBoost, ~Confirmed), with identified parents Boykin & Haze — first a daughter (b.~1919), then head of a 3-person household.
Age 1
b. ~1919
Female
Daughter
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | York, South Carolina |
| Surname | Robbins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Broad River Township |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Haze Robbins | Head | — | 24 | ~1896 |
| Sal Robbins | Daughter | — | 20 | ~1900 |
| Mary Robbins | Daughter | — | 1 | ~1919 |
Census Appearances
1920
York, South …
Daughter, age 1
York, South Carolina · implied b. ~1919 — 3 household members
| Surname | Robbins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
York, South …
Daughter, age 12
York, South Carolina · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robins |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
York-County, South …
Daughter, age 22
York-County, South Carolina · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robins |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Bullocks Creek |
| 1935 Residence (County) | York |
| Occupation | waitress |
| Industry | hotel |
| Class of Worker | PW |
| Income (1939) | 780 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Robbins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Boykin Robins (~0.92 confidence) and father Haze Robbins (~0.92 confidence) and father N Robins (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Boykin Robins
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Haze Robbins
b. ~1896
Source father
● Household
· direct · ~0.92
Father
N Robins
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Robbins
Daughter · 1920 · age 1 · b. ~1919 · South Carolina
★ You are viewing this record
Sibling
Sal Robbins
Sibling · 1920 · age 20
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 — York, South Carolina
Open full size
1920 US Federal Census — York, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1709unit:0159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Sam | 7 | Son | Laborer | South Carolina |
| 52 | Mary | 13 | Daughter | — | South Carolina |
| 53 | Lou | 2 | Daughter | — | South Carolina |
| 54 | May | 1 | Daughter | — | South Carolina |
| 55 | Sam Lock | 74 | Father | Laborer | South Carolina |
| 56 | Clinton Donell | 15 | Nephew | Laborer | South Carolina |
| 57 | Will Mcclure | 58 | Head | Farmer | South Carolina |
| 58 | Mary Mcclure | 47 | Wife | — | South Carolina |
| 59 | Will Rhodes | 48 | Head | Farmer | South Carolina |
| 60 | Nannie Rhodes | 33 | Wife | — | South Carolina |
| 61 | Louise Rhodes | 12 | Daughter | — | South Carolina |
| 62 | Robert Hope | 48 | Head | Farmer | South Carolina |
| 63 | Eula Hope | 40 | Wife | — | South Carolina |
| 64 | Ruth Hope | 16 | Daughter | Saleswoman | South Carolina |
| 65 | Robert Hope | 15 | Son | Laborer | South Carolina |
| 66 | Ida Hope | 12 | Daughter | — | South Carolina |
| 67 | Sam Hope | 8 | Son | Laborer | South Carolina |
| 68 | Henry Hope | 6 | Son | — | South Carolina |
| 69 | Dora Hope | 5 | Daughter | — | South Carolina |
| 70 | Dan Byrd | 55 | Head | Farmer | South Carolina |
| 71 | Lizzie Byrd | 50 | Wife | — | South Carolina |
| 72 | Richard Hemphill | 35 | Head | Farmer | South Carolina |
| 73 | Agnes Hemphill | 30 | Wife | — | South Carolina |
| 74 | Bob Chambers | 47 | Head | Farmer | South Carolina |
| 75 | Katie Chambers | 38 | Wife | — | South Carolina |
| 76 | Judge Brown | 75 | Father-in-law | — | South Carolina |
| 77 | Sam Pagan | 25 | Head | Farmer | South Carolina |
| 78 | Lula Pagan | 20 | Wife | — | South Carolina |
| 79 | Pagan | 1 | Daughter | — | South Carolina |
| 80 | Eli Walker | 45 | Head | Laborer | South Carolina |
| 81 | Selma Walker | 35 | Wife | Laborer | South Carolina |
| 82 | Hallie London | 13 | Nephew | — | South Carolina |
| 83 | Betsy London | 80 | Mother | — | South Carolina |
| 84 | Lee Falls | 50 | Head | Laborer | South Carolina |
| 85 | Amanda Falls | 45 | Wife | — | South Carolina |
| 86 | Ernest Falls | 15 | Son | Laborer | South Carolina |
| 87 | Lizzie Falls | 16 | Daughter | Laborer | South Carolina |
| 88 | Maggie Falls | 13 | Daughter | Laborer | South Carolina |
| 89 | Ella Falls | 11 | Daughter | Laborer | South Carolina |
| 90 | Sam Brown | 18 | Lodger | Laborer | South Carolina |
| 91 | Haze Robbins | 24 | Head | Laborer | South Carolina |
| 92 | Sal Robbins | 20 | Daughter | Cook | South Carolina |
| 93 | Mary Robbins THIS PERSON | 1 | Daughter | — | South Carolina |
| 94 | Jim Simmons | 43 | Head | Farmer | South Carolina |
| 95 | Ella Simmons | 39 | Wife | — | South Carolina |
| 96 | Clarence Simmons | 19 | Son | Laborer | South Carolina |
| 97 | Elmore Simmons | 15 | Son | Laborer | South Carolina |
| 98 | Cora Simmons | 12 | Son | Laborer | South Carolina |
| 99 | Ethel Simmons | 10 | Daughter | Laborer | South Carolina |
| 100 | Sam Kennedy | 53 | Head | Farmer | South Carolina |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)