MF
Mary Frederick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Vermilion, Louisiana
Our Model Tree links this Mary Frederick across the 1930 and 1940 US Censuses in Vermilion, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 6
b. ~1924
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Vermilion, Louisiana |
| Surname | Frederick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 9 Precinct 2 |
| Est. Birth Year | ~1924 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Saul Frederick | Son | — | 2 | ~1928 |
| Mary Frederick | Daughter | — | 6 | ~1924 |
| Paul Frederick | Son | — | 4 | ~1926 |
| Ida Frederick | Spouse | — | 32 | ~1898 |
| George Frederick | Son | — | 8 | ~1922 |
| Robert Frederick | Head | — | 35 | ~1895 |
Census Appearances
1930
Vermilion, Louisiana
Daughter, age 6
Vermilion, Louisiana · implied b. ~1924 — 6 household members
| Surname | Frederick |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Vermilion-County, Louisiana
Daughter, age 17
Vermilion-County, Louisiana · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | Mable |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | 6th Ward |
| 1935 Residence (County) | Vermilion |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 Frederick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frederick
Daughter · 1930 · age 6 · b. ~1924 · Louisiana
★ You are viewing this record
Sibling
Paul Frederick
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Frederick
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Saul Frederick
Sibling · 1930 · age 2
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 — Vermilion, Louisiana
Open full size
1930 US Federal Census — Vermilion, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus824unit:0166)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Numa Meaux | 60 | Head | Farmer | Louisiana |
| 52 | Carmelite Meaux | 58 | Wife | — | Louisiana |
| 53 | Wilton Meaux | 20 | Son | Laborer | Louisiana |
| 54 | Wilson Meaux | 20 | Son | Laborer | Louisiana |
| 55 | Oday Meaux | 19 | Son | Laborer | Louisiana |
| 56 | Willie Meaux | 44 | Head | Farmer | Louisiana |
| 57 | Azubey Meaux | 40 | Wife | — | Louisiana |
| 58 | Whitley Meaux | 21 | Son | — | Louisiana |
| 59 | Harrick Meaux | 17 | Son | — | Louisiana |
| 60 | Whitney Meaux | 41 | Head | Laborer | Louisiana |
| 61 | Emilie Meaux | 40 | Wife | — | Louisiana |
| 62 | Elere Mire | 38 | Head | Farmer | Louisiana |
| 63 | Anna Mire | 33 | Wife | — | Louisiana |
| 64 | Della Mire | 7 | Daughter | — | Louisiana |
| 65 | Lydia Mire | 5 | Daughter | — | Louisiana |
| 66 | Ulee Leger | 45 | Employee | Laborer | Louisiana |
| 67 | Ulee Hault | 55 | Head | Farmer | Louisiana |
| 68 | Azima Hault | 50 | Wife | — | Louisiana |
| 69 | Nelson Hault | 24 | Son | Laborer | Louisiana |
| 70 | Leoday Hault | 27 | Head | Farmer | Louisiana |
| 71 | Agnes Hault | 21 | Wife | — | Louisiana |
| 72 | Ulysse Hault | 42 | Head | Farmer | Louisiana |
| 73 | Emily Hault | 42 | Wife | — | Louisiana |
| 74 | Eva Hault | 20 | Daughter | — | Louisiana |
| 75 | Eldred Hault | 18 | Son | — | Louisiana |
| 76 | Ernest Hault | 16 | Son | — | Louisiana |
| 77 | Louis May Hault | 13 | Daughter | — | Louisiana |
| 78 | Wilson Hault | 11 | Son | — | Louisiana |
| 79 | Isaac Hault | 8 | Son | — | Louisiana |
| 80 | Wilmer Hault | 6 | Son | — | Louisiana |
| 81 | Percy Hault | 5 | Son | — | Louisiana |
| 82 | Ray Hault | 27 | Head | Salesman | Louisiana |
| 83 | Lona Hault | 21 | Wife | — | Louisiana |
| 84 | Ulysse Hault | 46 | Head | Farmer | Louisiana |
| 85 | Thelma Hault | 35 | Wife | — | Louisiana |
| 86 | Ella Hault | 21 | Daughter | — | Louisiana |
| 87 | Edith Hault | 19 | Son | Laborer | Louisiana |
| 88 | Agnes Hault | 18 | Daughter | — | Louisiana |
| 89 | Mynos Hault | 16 | Son | — | Louisiana |
| 90 | Joseph Hault | 13 | Son | — | Louisiana |
| 91 | John E. Hault | 12 | Son | — | Louisiana |
| 92 | Albert Duhon | 60 | Head | — | Louisiana |
| 93 | Cindy Duhon | 60 | Wife | — | Louisiana |
| 94 | John Duhon | 25 | Son | Laborer | Louisiana |
| 95 | Robert Frederick | 35 | Head | Laborer | Louisiana |
| 96 | Ida Frederick | 32 | Wife | — | Louisiana |
| 97 | George Frederick | 8 | Son | — | Louisiana |
| 98 | Mary Frederick THIS PERSON | 6 | Daughter | — | Louisiana |
| 99 | Paul Frederick | 4 | Son | — | Louisiana |
| 100 | Saul Frederick | 2 | Son | — | 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)