MU
Mary Underwood — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Effingham, Georgia
Our Model Tree links this Mary Underwood across the 1900, 1910, 1920 and 1930 US Censuses in Effingham, Georgia (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 8-person household.
Age 66
b. ~1864
Female
Head
Born: Georgia
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Effingham, Georgia |
| Surname | Underwood |
| Given Name | Mary J |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | No |
| Home Owned/Rented | 7 |
| Veteran | O |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Farmer |
| Township / Ward | District 10 |
| Est. Birth Year | ~1864 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Young | Other | — | 2 | ~1928 |
| Ella Underwood | Daughter | — | 18 | ~1912 |
| James Young | Other | — | 6 | ~1924 |
| Mary Underwood | Head | — | 66 | ~1864 |
| Martha Young | Other | — | 1 | ~1929 |
| Julia Young | Other | — | 4 | ~1926 |
| Daniel Young | Other | — | 40 | ~1890 |
| Julia Ruth | Daughter | — | 30 | ~1900 |
Census Appearances
1900
Effingham, Georgia
Spouse, age 35
Effingham, Georgia · implied b. ~1865 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | Mary G |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Georgia |
| Birth Month | Jan |
| Birth Year | 1865 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1910
Effingham, Georgia
Spouse, age 45
Effingham, Georgia · implied b. ~1865 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Georgia |
| Years Married | 20 |
| Children Born | 13 |
| Children Living | 10 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | No |
| Can Write | No |
| Speaks English | English |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1920
Effingham, Georgia
Spouse, age 55
Effingham, Georgia · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Effingham, Georgia
Head, age 66
Effingham, Georgia · implied b. ~1864 — 8 household members
| Surname | Underwood |
| Given Name | Mary J |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | No |
| Home Owned/Rented | 7 |
| Veteran | O |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Underwood across 4 US Census years (1900, 1910, 1920 and 1930) in Effingham, Georgia, using XGBoost record linkage.
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This person
Anchor record
Mary Underwood
Head · 1930 · age 66 · b. ~1864 · Georgia
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Effingham, Georgia
Open full size
1930 US Federal Census — Effingham, Georgia
Page Contents
50 people indexed on this census page (ia:1930:georgiacensus00reel354:0454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary J Underwood THIS PERSON | 66 | Head | Farmer | Georgia |
| 52 | Ella Underwood | 18 | Daughter | None | Georgia |
| 53 | Julia Ruth | 30 | Daughter | Laborer | Georgia |
| 54 | Daniel Young | 40 | Son-in-law | Laborer | S. Carolina |
| 55 | James Sam Young | 6 | Grandson | None | Georgia |
| 56 | Julia Mae Young | 4 | Granddaughter | None | Georgia |
| 57 | Mary Young | 2 | Granddaughter | None | Georgia |
| 58 | Martha Young | 1 | Granddaughter | None | Georgia |
| 59 | Wash Ingle | 58 | Head | Farmer | Georgia |
| 60 | Hattie Ingle | 53 | Sister | None | Georgia |
| 61 | James Wright | 29 | Head | Laborer | Georgia |
| 62 | Ashie B Wright | 25 | Wife | None | Georgia |
| 63 | George W Arnsdorff | 67 | Head | Farmer | Georgia |
| 64 | Valana J Arnsdorff | 67 | Wife | None | Georgia |
| 65 | Annie L Arnsdorff | 42 | Daughter | None | Georgia |
| 66 | Carl E Arnsdorff | 36 | Son | Gardner | Georgia |
| 67 | Justin A Arnsdorff | 34 | Son | Gardner | Georgia |
| 68 | Eugene Andrews | 27 | Head | Laborer | Georgia |
| 69 | Ella Andrews | 24 | Wife | Laborer | Georgia |
| 70 | Tom Andrews | 31 | Head | Laborer | Georgia |
| 71 | Annie L Andrews | 26 | Wife | None | Georgia |
| 72 | Tom W Andrews | 9 | Son | None | Georgia |
| 73 | Sidney Andrews | 7 | Son | None | Georgia |
| 74 | Mattie L Andrews | 6 | Daughter | None | Georgia |
| 75 | Catherine Andrews | 2 | Daughter | None | Georgia |
| 76 | John E Andrews | 0 | Son | None | Georgia |
| 77 | Rilla Curtis | 65 | Mother-in-law | None | Georgia |
| 78 | William G Brown | 57 | Head | Farmer | Georgia |
| 79 | Martha E Brown | 61 | Wife | None | Georgia |
| 80 | Mark Arnsdorff | 51 | Head | Share Cropper | Georgia |
| 81 | Dessie Arnsdorff | 28 | Wife | None | Georgia |
| 82 | Mary Mercer | 7 | Daughter | None | Georgia |
| 83 | Ivey Mercer | 5 | Daughter | None | Georgia |
| 84 | Lois Arnsdorff | 0 | Daughter | None | Georgia |
| 85 | Jarvis Bowen | 32 | Head | Farmer | Georgia |
| 86 | Ophelia Bowen | 28 | Wife | None | Georgia |
| 87 | Inez Bowen | 12 | Daughter | None | Georgia |
| 88 | Milton Bowen | 8 | Son | None | Georgia |
| 89 | Frances Bowen | 3 | Daughter | None | Georgia |
| 90 | Joe Rawls | 50 | Head | Farmer | Georgia |
| 91 | Ella Rawls | 48 | Wife | None | Georgia |
| 92 | Ella Rawls | 20 | Daughter | Home Helper | Georgia |
| 93 | Alfred Rawls | 16 | Son | Laborer | Georgia |
| 94 | Burn Rawls | 11 | Son | Laborer | Georgia |
| 95 | Thelma Rawls | 11 | Daughter | None | Georgia |
| 96 | Henry Rawls | 9 | Son | None | Georgia |
| 97 | Ernest Brown | 49 | Head | Laborer | S. Carolina |
| 98 | Walkie Mae Brown | 32 | Wife | Laborer | Georgia |
| 99 | Walter Rawls | 51 | Head | Farmer | Georgia |
| 100 | Mattie Rawls | 39 | Wife | None | Georgia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)