MG
Mary Griffin — 1920 US Census Record
Model Tree available1920 United States Federal Census · Laurens, South Carolina
Our Model Tree links this Mary Griffin across the 1900, 1910 and 1920 US Censuses in Laurens, South Carolina (XGBoost, ~Confirmed), with identified parents Dave & Willie — first a daughter (b.~1893), then head of a 7-person household.
Age 27
b. ~1893
Female
Daughter
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Laurens, South Carolina |
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Waterloo Township |
| Est. Birth Year | ~1893 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Griffin | Daughter | — | 27 | ~1893 |
| Dave Griffin | Head | — | 65 | ~1855 |
| James Griffin | Other | — | 4 | ~1916 |
| Helen Griffin | Other | — | 2 | ~1918 |
| John Griffin | Other | — | 17 | ~1903 |
| Joseph Griffin | Other | — | 7 | ~1913 |
| Margaret Griffin | Other | — | 15 | ~1905 |
Census Appearances
1900
Laurens, South …
Daughter, age 8
Laurens, South Carolina · implied b. ~1892 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Birth Month | Nov |
| Birth Year | 1892 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1910
Laurens, South …
Daughter, age 17
Laurens, South Carolina · implied b. ~1893 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Laurens, South …
Daughter, age 27
Laurens, South Carolina · implied b. ~1893 — 7 household members
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| 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 Griffin across 3 US Census years (1900, 1910 and 1920) in Laurens, South Carolina, using XGBoost record linkage. Identified parents: father Dave Griffin (~0.92 confidence) and father Willie Griffin (~0.92 confidence) and mother Maddie Griffin (~0.92 confidence) and mother Mattie Griffin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dave Griffin
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Willie Griffin
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Maddie Griffin
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mattie Griffin
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Griffin
Daughter · 1920 · age 27 · b. ~1893 · South Carolina
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Laurens, South Carolina
Open full size
1920 US Federal Census — Laurens, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1700unit:0443)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Calvin J. Mcdaniel | 52 | Head | — | South Carolina |
| 2 | Lenora Mcdaniel | 40 | Wife | — | South Carolina |
| 3 | Rebecca Mcdaniel | 16 | Daughter | — | South Carolina |
| 4 | Harold Mcdaniel | 14 | Son | — | South Carolina |
| 5 | Marie Mcdaniel | 10 | Daughter | — | South Carolina |
| 6 | Gresham Smith | 23 | Head | Farmer | South Carolina |
| 7 | Lizzie Smith | 20 | Wife | — | South Carolina |
| 8 | Matthew Mcdaniel | 51 | Head | Farmer | South Carolina |
| 9 | Myrtle Mcdaniel | 28 | Wife | — | South Carolina |
| 10 | Marie Mcdaniel | 11 | Daughter | — | South Carolina |
| 11 | Henry H. Boyd | 67 | Head | Farmer | South Carolina |
| 12 | Alice Boyd | 62 | Wife | — | South Carolina |
| 13 | Jim Power | 55 | Head | Farmer | South Carolina |
| 14 | Annie Power | 51 | Wife | — | South Carolina |
| 15 | Floyd Power | 21 | Son | Laborer | South Carolina |
| 16 | Willie Power | 18 | Son | Laborer | South Carolina |
| 17 | Mamie Power | 16 | Daughter | — | South Carolina |
| 18 | Sarah B. Power | 10 | Daughter | — | South Carolina |
| 19 | Charlie Morris | 59 | Head | Farmer | South Carolina |
| 20 | Lizzie Morris | 45 | Wife | — | South Carolina |
| 21 | Mary Morris | 14 | Daughter | — | South Carolina |
| 22 | Lamar Morris | 12 | Son | — | South Carolina |
| 23 | Sam Owens | 40 | Head | Farmer | South Carolina |
| 24 | Laura Owens | 38 | Wife | — | South Carolina |
| 25 | Eva Owens | 10 | Daughter | — | South Carolina |
| 26 | Fred Owens | 10 | Son | — | South Carolina |
| 27 | Dave Griffin | 65 | Head | Farmer | South Carolina |
| 28 | Mary Griffin THIS PERSON | 27 | Daughter | — | South Carolina |
| 29 | John Griffin | 17 | Grandson | Laborer | South Carolina |
| 30 | Margaret Griffin | 15 | Granddaughter | — | South Carolina |
| 31 | Joseph Griffin | 7 | Grandson | — | South Carolina |
| 32 | James Griffin | 4 | Grandson | — | South Carolina |
| 33 | Helen Griffin | 2 | Granddaughter | — | South Carolina |
| 34 | James Dendy | 43 | Head | Farmer | South Carolina |
| 35 | Lula Dendy | 31 | Wife | — | South Carolina |
| 36 | Sarah Dendy | 16 | Daughter | — | South Carolina |
| 37 | Lula Dendy | 12 | Daughter | — | South Carolina |
| 38 | Edith Dendy | 10 | Daughter | — | South Carolina |
| 39 | Sam Dial | 70 | Head | Farmer | South Carolina |
| 40 | Katie Dial | 56 | Wife | — | South Carolina |
| 41 | Mamie Dial | 17 | Daughter | — | South Carolina |
| 42 | Roosevelt Dial | 13 | Son | — | South Carolina |
| 43 | Hendy Cunningham | 63 | Head | Farmer | South Carolina |
| 44 | Mary Cunningham | 60 | Wife | — | South Carolina |
| 45 | Bertha Cunningham | 25 | Daughter | Laborer | South Carolina |
| 46 | Susan Cunningham | 8 | Granddaughter | — | South Carolina |
| 47 | James Davis | 59 | Head | Farmer | South Carolina |
| 48 | Alice Davis | 53 | Wife | — | North Carolina |
| 49 | Josephine Davis | 16 | Daughter | — | North Carolina |
| 50 | Josephine Davis | 14 | Daughter | — | North Carolina |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 4 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)