JC
John Corcoran — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Orleans, Louisiana
Our Model Tree links this John Corcoran across the 1930 and 1940 US Censuses in Orleans, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 15-person household.
Age 11
b. ~1919
Male
Son
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Orleans, Louisiana |
| Surname | Corcoran |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Washington |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1919 |
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.
15 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Henrietta Corcoran | Daughter | — | 22 | ~1908 |
| Mary Corcoran | Daughter | — | 32 | ~1898 |
| Loraine Corcoran | Daughter | — | 24 | ~1906 |
| James Corcoran | Son | — | 14 | ~1916 |
| Marion Corcoran | Daughter | — | 23 | ~1907 |
| Cecil Corcoran | Daughter | — | 13 | ~1917 |
| Charles Corcoran | Son | — | 16 | ~1914 |
| William Corcoran | Son | — | 27 | ~1903 |
| Ada Corcoran | Daughter | — | 31 | ~1899 |
| Merlin Corcoran | Daughter | — | 18 | ~1912 |
| Eleonore Corcoran | Daughter | — | 30 | ~1900 |
| Clara Corcoran | Spouse | — | 47 | ~1883 |
| John Corcoran | Son | — | 11 | ~1919 |
| Adele Corcoran | Daughter | — | 20 | ~1910 |
| William Corcoran | Head | — | 55 | ~1875 |
Census Appearances
1930
Orleans, Louisiana
Son, age 11
Orleans, Louisiana · implied b. ~1919 — 15 household members
| Surname | Corcoran |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Washington |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Son, age 20
Orleans-County, Louisiana · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corcorn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Occupation | Truck Driver |
| Industry | Electric Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 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 John Corcoran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Corcoran
Son · 1930 · age 11 · b. ~1919 · Louisiana
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Sibling
Cecil Corcoran
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henrietta Corcoran
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleonore Corcoran
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merlin Corcoran
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Corcoran
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adele Corcoran
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Corcoran
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Corcoran
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Corcoran
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Corcoran
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loraine Corcoran
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Corcoran
Sibling · 1930 · age 31
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 — Orleans, Louisiana
Open full size
1930 US Federal Census — Orleans, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus813unit:0592)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pearl Boyer | 41 | Head | Clerical | New Jersey |
| 52 | Frank Boyer | 29 | Brother | Laborer | New Jersey |
| 53 | Hazel Boyer | 14 | Niece | — | Louisiana |
| 54 | Kunte Ducreast | 36 | Head | Tallyman | St. Louis |
| 55 | Morris Ducreast | 44 | Roomer | Handyman | Louisiana |
| 56 | James Ducreast | 20 | Roomer | Handyman | Louisiana |
| 57 | Horatio Garic | 43 | Head | Buyer | Louisiana |
| 58 | Florence Garic | 38 | Wife | Saleslady | Louisiana |
| 59 | Sidney Garic | 10 | Son | — | Louisiana |
| 60 | Fred G. Eifler | 62 | Head | Carpenter | Wisconsin |
| 61 | William Corcoran | 55 | Head | Engineer | Washington |
| 62 | Clara Corcoran | 47 | Wife | — | Louisiana |
| 63 | Mary Corcoran | 32 | Daughter | — | Louisiana |
| 64 | Ada Corcoran | 31 | Daughter | — | Louisiana |
| 65 | William Corcoran | 27 | Son | Helper | Louisiana |
| 66 | Eleonore Corcoran | 30 | Daughter | Cigar Maker | Louisiana |
| 67 | Loraine Corcoran | 24 | Daughter | — | Louisiana |
| 68 | Marion Corcoran | 23 | Daughter | Cigar Maker | Louisiana |
| 69 | Henrietta Corcoran | 22 | Daughter | Cigar Maker | Louisiana |
| 70 | Adele Corcoran | 20 | Daughter | — | Louisiana |
| 71 | Merlin Corcoran | 18 | Daughter | — | Louisiana |
| 72 | Charles Corcoran | 16 | Son | — | Louisiana |
| 73 | James Corcoran | 14 | Son | — | Louisiana |
| 74 | Cecil Corcoran | 13 | Daughter | — | Louisiana |
| 75 | John Corcoran THIS PERSON | 11 | Son | — | Louisiana |
| 76 | Leon Le Blanc | 26 | Head | Driver | Louisiana |
| 77 | Edith Le Blanc | 26 | Wife | — | Louisiana |
| 78 | Irvin Le Blanc | 6 | Son | — | Louisiana |
| 79 | Annama Le Blanc | 5 | Daughter | — | Louisiana |
| 80 | Edama Le Blanc | 3 | Daughter | — | Louisiana |
| 81 | Audrey Le Blanc | 2 | Daughter | — | Louisiana |
| 82 | Lois Le Blanc | 1 | Daughter | — | Louisiana |
| 83 | Joseph Achary | 38 | Head | Driver | Italy |
| 84 | Josephine Achary | 34 | Wife | — | Louisiana |
| 85 | Andrew Achary | 17 | Son | Clerical | Louisiana |
| 86 | John Achary | 15 | Son | — | Louisiana |
| 87 | Catherine Achary | 13 | Daughter | — | Louisiana |
| 88 | Joseph Jr. Achary | 10 | Son | — | Louisiana |
| 89 | Michael Achary | 7 | Son | — | Louisiana |
| 90 | Rose-Ann Achary | 3 | Daughter | — | Louisiana |
| 91 | Lee Huget | 21 | Head | Clerk | Louisiana |
| 92 | Effie Huget | 44 | Mother | — | Louisiana |
| 93 | Leon Huget | 20 | Brother | Helper | Louisiana |
| 94 | Lily Huget | 15 | Sister | — | Louisiana |
| 95 | Hester Huget | 13 | Sister | — | Louisiana |
| 96 | Felix Huget | 7 | Brother | — | Louisiana |
| 97 | Merine Huget | 5 | Sister | — | Louisiana |
| 98 | Jules Duhon | 33 | Uncle | Checker | Louisiana |
| 99 | Lilly Duhon | 34 | Aunt | — | Louisiana |
| 100 | Albert Klotz | 49 | Head | — | 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)