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Dorothy Long — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Charles, Louisiana
Our Model Tree links this Dorothy Long across the 1930 and 1940 US Censuses in St Charles, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 4
b. ~1926
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Charles, Louisiana |
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Italy |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 1 Fellow Township |
| Est. Birth Year | ~1926 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Long | Daughter | — | ~1930 | |
| Dorothy Long | Daughter | — | 4 | ~1926 |
| Mary Long | Daughter | — | 9 | ~1921 |
| Annie Long | Daughter | — | 7 | ~1923 |
| Tony Long | Head | — | 35 | ~1895 |
| Ada Long | Daughter | — | 1 | ~1929 |
| Frank Long | Son | — | 11 | ~1919 |
| John Long | Son | — | 15 | ~1915 |
| Tony Long | Son | — | 13 | ~1917 |
| Ella Long | Spouse | — | 23 | ~1907 |
Census Appearances
1930
St Charles, …
Daughter, age 4
St Charles, Louisiana · implied b. ~1926 — 10 household members
| Surname | Long |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Italy |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
St.-Charles-County, Louisiana
Daughter, age 14
St.-Charles-County, Louisiana · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Longue |
| Given Name | Doris M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | St. Charles |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Louisiana |
| 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 Dorothy Long across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Long
Daughter · 1930 · age 4 · b. ~1926 · Louisiana
★ You are viewing this record
Sibling
John Long
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Long
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Long
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Long
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Long
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tony Long
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Long
Sibling · 1930 · age
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 — St Charles, Louisiana
Open full size
1930 US Federal Census — St Charles, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus818unit:0553)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Loring Thompson | 18 | Daughter-in-law | — | Louisiana |
| 52 | Elizabeth Raymond | 80 | H | — | Louisiana |
| 53 | Marie Raymond | 32 | Daughter | — | Louisiana |
| 54 | Ernestine Robertson | 50 | H | Cane Cutter | Louisiana |
| 55 | Willie Leque | 51 | Head | — | Louisiana |
| 56 | Mildred Leque | 39 | Wife | Cane Cutter | Louisiana |
| 57 | Ernest Leque | 4 | Son | — | Louisiana |
| 58 | Wilson Leque | 2 | Son | — | Louisiana |
| 59 | Edward Guy | 40 | Head | — | Louisiana |
| 60 | Leona Guy | 38 | Wife | — | Louisiana |
| 61 | Annie Mae Guy | 12 | Daughter | — | Louisiana |
| 62 | James Robertson | 24 | Head | Cane Cutter | Louisiana |
| 63 | Martha Robertson | 27 | Wife | — | Louisiana |
| 64 | Willie Robertson | 4 | Son | — | Louisiana |
| 65 | John Lawrence | 25 | Boarder | — | Louisiana |
| 66 | Tony Long | 35 | Head | Laborer | Italy |
| 67 | Ella Long | 23 | Wife | — | Louisiana |
| 68 | Dorothy Long THIS PERSON | 4 | Daughter | — | Louisiana |
| 69 | Ada Long | 1 | Daughter | — | Louisiana |
| 70 | Elizabeth Long | 0 | Daughter | — | Louisiana |
| 71 | John Long | 15 | Son | — | Louisiana |
| 72 | Tony Long | 13 | Son | — | Louisiana |
| 73 | Frank Long | 11 | Son | — | Louisiana |
| 74 | Mary Long | 9 | Daughter | — | Louisiana |
| 75 | Annie Long | 7 | Daughter | — | Louisiana |
| 76 | Arthur Mitchell | 30 | Head | — | Louisiana |
| 77 | Thelma Mitchell | 28 | Wife | — | Louisiana |
| 78 | Arthur Jr. Mitchell | 8 | Son | — | Louisiana |
| 79 | Thelma Mitchell | 6 | Daughter | — | Louisiana |
| 80 | Thomas Mitchell | 4 | Son | — | Louisiana |
| 81 | James Mitchell | 2 | Son | — | Louisiana |
| 82 | Joseph Mitchell | 1 | Son | — | Louisiana |
| 83 | Mary Mitchell | 0 | Daughter | — | Louisiana |
| 84 | Edward Mitchell | 21 | Head | — | Louisiana |
| 85 | Ethel Mitchell | 21 | Wife | — | Louisiana |
| 86 | Edward Jr. Mitchell | 1 | Son | — | Louisiana |
| 87 | Alice Mitchell | 0 | Daughter | — | Louisiana |
| 88 | James Mitchell | 45 | Head | — | Louisiana |
| 89 | Alice Mitchell | 43 | Wife | — | Louisiana |
| 90 | Joseph Mitchell | 19 | Son | — | Louisiana |
| 91 | Alice Mitchell | 17 | Daughter | — | Louisiana |
| 92 | Ethel Mitchell | 14 | Daughter | — | Louisiana |
| 93 | James Alexander | 53 | Head | — | Louisiana |
| 94 | Alice Alexander | 55 | H | — | Louisiana |
| 95 | Felicien Cannon | 35 | Head | — | Louisiana |
| 96 | Marguerite Cannon | 31 | Wife | — | Louisiana |
| 97 | Leonard Cannon | 5 | Son | — | Louisiana |
| 98 | Nelson Cannon | 3 | Son | — | Louisiana |
| 99 | Victoria Cannon | 1 | Daughter | — | Louisiana |
| 100 | Lucien Cannon | 38 | Head | 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)