MH
Mary Hammond — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Louisiana
Our Model Tree links this Mary Hammond across the 1920 and 1930 US Censuses in Jefferson, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 10-person household.
Age 14
b. ~1916
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Louisiana |
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Occupation | Picker cotton |
| Industry | Cotton mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Picker Cotton |
| Township / Ward | Marrero |
| Est. Birth Year | ~1916 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ida Hammond | Daughter | — | 9 | ~1921 |
| Louise Hammond | Daughter | — | 20 | ~1910 |
| Pearlie Hammond | Daughter | — | 22 | ~1908 |
| Nannie Hammond | Daughter | — | 19 | ~1911 |
| Lucile Hammond | Daughter | — | 13 | ~1917 |
| Mary Hammond | Daughter | — | 14 | ~1916 |
| Samuel Hammond | Head | — | 49 | ~1881 |
| Joseph Hammond | Son | — | 24 | ~1906 |
| Lawrence Hammond | Son | — | 4 | ~1926 |
| Lucile Hammond | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Jefferson, Louisiana
Daughter, age 5
Jefferson, Louisiana · implied b. ~1915 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Jefferson, Louisiana
Daughter, age 14
Jefferson, Louisiana · implied b. ~1916 — 10 household members
| Surname | Hammond |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Picker cotton |
| Industry | Cotton mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Hammond across 2 US Census years (1920 and 1930) in Jefferson, Louisiana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hammond
Daughter · 1930 · age 14 · b. ~1916 · Louisiana
★ You are viewing this record
Sibling
Lucile Hammond
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Hammond
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hammond
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Hammond
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nannie Hammond
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearlie Hammond
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Hammond
Sibling · 1930 · 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
1930 US Federal Census — Jefferson, Louisiana
Open full size
1930 US Federal Census — Jefferson, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus796unit:0779)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Sylvester Brown | 48 | Head | Laborer | Louisiana |
| 52 | Victoria Brown | 45 | Wife | — | Louisiana |
| 53 | August Vedor | 30 | Head | Proprietor | Louisiana |
| 54 | Essie Vedor | 19 | Wife | Laborer | Louisiana |
| 55 | Samuel Hammond | 49 | Head | — | Louisiana |
| 56 | Lucile Hammond | 47 | Wife | Laborer | Louisiana |
| 57 | Pearlie Hammond | 22 | Daughter | Laundress | Louisiana |
| 58 | Louise Hammond | 20 | Daughter | Laborer | Louisiana |
| 59 | Nannie Hammond | 19 | Daughter | Picker Cotton | Louisiana |
| 60 | Mary Hammond THIS PERSON | 14 | Daughter | Picker Cotton | Louisiana |
| 61 | Lucile Hammond | 13 | Daughter | — | Louisiana |
| 62 | Ida Hammond | 9 | Daughter | — | Louisiana |
| 63 | Joseph Hammond | 24 | Son | — | Louisiana |
| 64 | Lawrence Hammond | 4 | Son | Chauffeur | Louisiana |
| 65 | Robert Clark | 58 | Head | — | Louisiana |
| 66 | Hester Clark | 45 | Wife | Laborer | Louisiana |
| 67 | Eddie Pierson | 55 | Head | Laundress | Louisiana |
| 68 | Ernestine Pierson | 48 | Wife | Laborer | Louisiana |
| 69 | John Edwards | 54 | Head | Laundress | Louisiana |
| 70 | James Jr. Edwards | 23 | Son | Laborer | Louisiana |
| 71 | Mabel Edwards | 15 | Daughter | Laborer | Louisiana |
| 72 | Alice Edwards | 14 | Daughter | — | Louisiana |
| 73 | Melvina Edwards | 12 | Daughter | — | Louisiana |
| 74 | August Leonard | 37 | Head | — | Louisiana |
| 75 | Beatrice Leonard | 28 | Wife | Laborer | Louisiana |
| 76 | Mamie Smith | 9 | Step-Daughter | Servant | Louisiana |
| 77 | Belle Ida Smith | 7 | Step-Daughter | — | Louisiana |
| 78 | Roy Brooks | 26 | Head | — | Louisiana |
| 79 | Lottie Brooks | 24 | Wife | Laborer | Louisiana |
| 80 | Bertha Brooks | 4 | Daughter | — | Louisiana |
| 81 | Leo Brooks | 3 | Son | — | Louisiana |
| 82 | Herman Brooks | 0 | Son | — | Louisiana |
| 83 | Richard Short | 36 | Head | — | Louisiana |
| 84 | Eugene Miller | 39 | Head | Laborer | Louisiana |
| 85 | Cornelia Miller | 30 | Wife | Laborer | Louisiana |
| 86 | Eugene Jr. Miller | 11 | Son | — | Louisiana |
| 87 | Florence Miller | 9 | Daughter | — | Louisiana |
| 88 | Robert Miller | 4 | Son | — | Louisiana |
| 89 | Marjorie Miller | 1 | Daughter | — | Louisiana |
| 90 | Paul Washington | 40 | Head | — | Louisiana |
| 91 | Edna Washington | 36 | Wife | Compress | Mississippi |
| 92 | Eugene Chappron | 65 | Head | — | Louisiana |
| 93 | Martha Chappron | 58 | Wife | Laborer | Louisiana |
| 94 | Hubert Jenipher | 22 | Nephew | Laborer | Louisiana |
| 95 | Willie Donald | 17 | Nephew | Chauffeur | Louisiana |
| 96 | Milton Clement | 23 | Head | Laborer | Louisiana |
| 97 | Velma Clement | 18 | Wife | Laborer | Louisiana |
| 98 | Milton Jr. Clement | 1 | Son | — | Louisiana |
| 99 | Edward Williams | 29 | Head | — | Louisiana |
| 100 | Sadie Williams | 26 | Wife | Laborer | Louisiana |
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)