MW
Mary Welch — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Marlboro, South Carolina
Our Model Tree links this Mary Welch across the 1910 and 1920 US Censuses in Marlboro, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 11-person household.
Age 10
b. ~1910
Female
Daughter
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Marlboro, South Carolina |
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Adamsville Township |
| Est. Birth Year | ~1910 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ethel Welch | Daughter | — | 17 | ~1903 |
| Mary Welch | Daughter | — | 10 | ~1910 |
| Thelma Welch | Daughter | — | 9 | ~1911 |
| Gracie Welch | Daughter | — | 14 | ~1906 |
| Rebecca Welch | Daughter | — | 12 | ~1908 |
| Inez Welch | Daughter | — | 16 | ~1904 |
| Nellie Welch | Daughter | — | 7 | ~1913 |
| Thomas Welch | Head | — | 41 | ~1879 |
| Thomas Welch | Son | — | 3 | ~1917 |
| Hezekiah Welch | Son | — | 12 | ~1908 |
| Addie Welch | Spouse | — | 38 | ~1882 |
Census Appearances
1910
Marlboro, South …
Daughter, age 1
Marlboro, South Carolina · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welch |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Marlboro, South …
Daughter, age 10
Marlboro, South Carolina · implied b. ~1910 — 11 household members
| Surname | Welch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | 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 Welch across 2 US Census years (1910 and 1920) in Marlboro, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Welch
Daughter · 1920 · age 10 · b. ~1910 · South Carolina
★ You are viewing this record
Sibling
Hezekiah Welch
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Welch
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Welch
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Welch
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gracie Welch
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebecca Welch
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Welch
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Welch
Sibling · 1920 · age 9
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 — Marlboro, South Carolina
Open full size
1920 US Federal Census — Marlboro, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1703unit:0546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kister D Ruser | 57 | Head | Carpenter | South Carolina |
| 2 | John W. Miles | 45 | Head | Preacher | South Carolina |
| 3 | Mariah L Miles | 30 | Wife | — | South Carolina |
| 4 | Thomas Welch | 41 | Head | Farmer | South Carolina |
| 5 | Addie Welch | 38 | Wife | — | South Carolina |
| 6 | Ethel Welch | 17 | Daughter | — | South Carolina |
| 7 | Inez Welch | 16 | Daughter | — | South Carolina |
| 8 | Gracie Welch | 14 | Daughter | — | South Carolina |
| 9 | Rebecca Welch | 12 | Daughter | — | South Carolina |
| 10 | Hezekiah Welch | 12 | Son | — | South Carolina |
| 11 | Mary Welch THIS PERSON | 10 | Daughter | — | South Carolina |
| 12 | Thelma Welch | 9 | Daughter | — | South Carolina |
| 13 | Nellie Welch | 7 | Daughter | — | South Carolina |
| 14 | Thomas Welch | 3 | Son | — | South Carolina |
| 15 | Jerry Wait | 76 | Head | Farmer | North Carolina |
| 16 | Sally Wait | 45 | Wife | — | South Carolina |
| 17 | Lonnie Wait | 26 | Son | Labor | South Carolina |
| 18 | Ella Wait | 23 | Daughter | Labor | South Carolina |
| 19 | James Wait | 17 | Son | Labor | South Carolina |
| 20 | Robert Wait | 16 | Son | Labor | South Carolina |
| 21 | Gertrude Wait | 11 | Daughter | — | South Carolina |
| 22 | Melanie Wait | 1 | Daughter | — | South Carolina |
| 23 | Frank Wait | 32 | Son | — | South Carolina |
| 24 | Florence May Wait | 12 | Daughter | — | South Carolina |
| 25 | Henry Jr Wait | 25 | Head | Labor | South Carolina |
| 26 | Clara Wait | 25 | Wife | — | South Carolina |
| 27 | Meta Wait | 5 | Daughter | — | South Carolina |
| 28 | Henry Sr Wait | 2 | Son | — | South Carolina |
| 29 | Boston Sr Manson | 34 | Head | Farmer | South Carolina |
| 30 | Lydia Manson | 36 | Wife | — | South Carolina |
| 31 | Thomas Manson | 12 | Son | — | South Carolina |
| 32 | Arthur Manson | 10 | Son | — | South Carolina |
| 33 | Boston Jr Manson | 7 | Son | — | South Carolina |
| 34 | Eddie Manson | 6 | Son | — | South Carolina |
| 35 | Samuel Manson | 5 | Son | — | South Carolina |
| 36 | Leo Manson | 3 | Son | — | South Carolina |
| 37 | Beatrice Manson | 1 | Daughter | — | South Carolina |
| 38 | James Dixon | 28 | Head | Farmer | South Carolina |
| 39 | Annie Dixon | 25 | Wife | — | South Carolina |
| 40 | Adeline Dixon | 5 | Daughter | — | South Carolina |
| 41 | Lizzie Dixon | 3 | Daughter | — | South Carolina |
| 42 | Will Dixon | 21 | Brother | Labor | South Carolina |
| 43 | Arch A Jackson | 40 | Head | Farmer | South Carolina |
| 44 | Lilla Jackson | 37 | Wife | — | South Carolina |
| 45 | Jesse Jackson | 13 | Son | — | South Carolina |
| 46 | William Jackson | 11 | Son | — | South Carolina |
| 47 | Idonia Jackson | 6 | Daughter | — | South Carolina |
| 48 | Hattie Jackson | 5 | Daughter | — | South Carolina |
| 49 | Marie Jackson | 3 | Daughter | — | South Carolina |
| 50 | Willie Jackson | 1 | Son | — | South Carolina |
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)