MG
Mary Griffin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Iberville, Louisiana
Our Model Tree links this Mary Griffin across the 1930 and 1940 US Censuses in Iberville, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 8
b. ~1922
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Iberville, Louisiana |
| Surname | Griffin |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Plaquemine Town Part |
| Est. Birth Year | ~1922 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Griffin | Daughter | — | 1 | ~1929 |
| Belva Griffin | Daughter | — | 6 | ~1924 |
| Mercedes Griffin | Daughter | — | 16 | ~1914 |
| Mary Griffin | Daughter | — | 8 | ~1922 |
| Melanie Griffin | Daughter | — | 20 | ~1910 |
| Charles Griffin | Head | — | 55 | ~1875 |
| Elfie Griffin | Other | — | 44 | ~1886 |
| Lester Griffin | Son | — | 12 | ~1918 |
| Warren Griffin | Son | — | 10 | ~1920 |
| Haydel Griffin | Son | — | 17 | ~1913 |
| Charles Griffin | Son | — | 18 | ~1912 |
Census Appearances
1930
Iberville, Louisiana
Daughter, age 8
Iberville, Louisiana · implied b. ~1922 — 11 household members
| Surname | Griffin |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Iberville-County, Louisiana
Daughter, age 17
Iberville-County, Louisiana · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffon |
| Given Name | Mary Elsie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Plaquemine Town |
| 1935 Residence (County) | Iberville |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| 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 Griffin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Griffin
Daughter · 1930 · age 8 · b. ~1922 · Louisiana
★ You are viewing this record
Sibling
Lester Griffin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Griffin
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Griffin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Griffin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Haydel Griffin
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Belva Griffin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melanie Griffin
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mercedes Griffin
Sibling · 1930 · age 16
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 — Iberville, Louisiana
Open full size
1930 US Federal Census — Iberville, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus795unit:0160)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lucy Boudreaux | 23 | Wife-H | — | Louisiana |
| 52 | Leanne Boudreaux | 2 | Daughter | — | Louisiana |
| 53 | John Riso | 60 | Head | Retail Merchant | Italy |
| 54 | Juan Riso | 59 | Wife-H | — | Italy |
| 55 | Josephine Riso | 27 | Daughter | — | Louisiana |
| 56 | Rosa Riso | 22 | Daughter | — | Louisiana |
| 57 | Arthur Guellory | 42 | Head | Contractor | Louisiana |
| 58 | Latica Guellory | 37 | Wife-H | — | Louisiana |
| 59 | Annette Guellory | 13 | Daughter | — | Louisiana |
| 60 | Eilailer Guellory | 10 | Daughter | — | Louisiana |
| 61 | Dennis Degur | 85 | Father-in-law | — | Ohio |
| 62 | Thomas Stafford | 45 | Head | Labour | Louisiana |
| 63 | Adele Stafford | 44 | Wife-H | — | Louisiana |
| 64 | Lee Veal | 51 | Head | Labour | Louisiana |
| 65 | Adelie Veal | 50 | Wife-H | — | Louisiana |
| 66 | Mormer Veal | 19 | Son | Laborer | Louisiana |
| 67 | Albertha Veal | 18 | Wife-H | — | Louisiana |
| 68 | Mary L. Veal | 0 | Daughter | — | Louisiana |
| 69 | Walter Branch | 38 | Head | Cook | Louisiana |
| 70 | Leanna Branch | 31 | Wife-H | — | Louisiana |
| 71 | Manuel Branch | 14 | Son | — | Louisiana |
| 72 | Alex Branch | 13 | Son | — | Louisiana |
| 73 | Helen Branch | 11 | Daughter | — | Louisiana |
| 74 | Wilfred Branch | 8 | Son | — | Louisiana |
| 75 | Ruby Branch | 7 | Daughter | — | Louisiana |
| 76 | Charlie Prince | 50 | Head | Labour | Louisiana |
| 77 | Leola Prince | 37 | Wife-H | — | Louisiana |
| 78 | Leophile Martin | 36 | Head | Labour | Louisiana |
| 79 | Mary Martin | 28 | Wife-H | — | Louisiana |
| 80 | Ethel Martin | 11 | Daughter | — | Louisiana |
| 81 | Lawrence Martin | 9 | Son | — | Louisiana |
| 82 | Edward Martin | 7 | Son | — | Louisiana |
| 83 | Mary Martin | 0 | Daughter | — | Louisiana |
| 84 | Ephraim Pruel | 30 | Head | Labour | Louisiana |
| 85 | Laura Pruel | 28 | Wife-H | — | Louisiana |
| 86 | Henry Smith | 15 | Adopted | — | Louisiana |
| 87 | Charles Griffin | 55 | Head | Retail Merchant | Louisiana |
| 88 | Elfie Griffin | 44 | Wife-H | — | Louisiana |
| 89 | Melanie Griffin | 20 | Daughter | — | Louisiana |
| 90 | Charles Jr. Griffin | 18 | Son | — | Louisiana |
| 91 | Haydel Griffin | 17 | Son | — | Louisiana |
| 92 | Mercedes Griffin | 16 | Daughter | — | Louisiana |
| 93 | Lester Griffin | 12 | Son | — | Louisiana |
| 94 | Warren Griffin | 10 | Son | — | Louisiana |
| 95 | Mary L. Griffin THIS PERSON | 8 | Daughter | — | Louisiana |
| 96 | Belva L. Griffin | 6 | Daughter | — | Louisiana |
| 97 | Geraldine Griffin | 1 | Daughter | — | Louisiana |
| 98 | Alfred Brillion | 73 | Head | Carpenter | Louisiana |
| 99 | Frances Brillion | 66 | Wife-H | — | Louisiana |
| 100 | Joseph Bonura | 64 | Head | Retail Merchant | Italy |
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)