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Mary Mccoy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · East Baton Rouge, Louisiana
Our Model Tree links this Mary Mccoy across the 1930 and 1940 US Censuses in East Baton Rouge, 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 | East Baton Rouge, Louisiana |
| Surname | McCoy |
| 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 | |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 4 Part Of |
| 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 |
|---|---|---|---|---|
| Lumina Mccoy | Daughter | — | 2 | ~1928 |
| Mary Mccoy | Daughter | — | 14 | ~1916 |
| Joseph Mccoy | Son | — | ~1930 | |
| Thomas Mccoy | Son | — | 16 | ~1914 |
| Azika Mccoy | Son | — | 10 | ~1920 |
| Lundia Mccoy | Son | — | 12 | ~1918 |
| Simeon Mccoy | Son | — | 4 | ~1926 |
| Willie Mccoy | Son | — | 8 | ~1922 |
| Albert Mccoy | Son | — | 6 | ~1924 |
| Leola Mccoy | Spouse | — | 38 | ~1892 |
Census Appearances
1930
East Baton …
Daughter, age 14
East Baton Rouge, Louisiana · implied b. ~1916 — 10 household members
| Surname | McCoy |
| 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 |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
East-Baton-Rouge-County, Louisiana
Daughter, age 23
East-Baton-Rouge-County, Louisiana · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKey |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Baton Rouge City |
| 1935 Residence (County) | E. Baton Rouge |
| Occupation | Waitress |
| Industry | Cafeteria |
| Class of Worker | PW |
| Highest Grade | Hs 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 Mary Mccoy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccoy
Daughter · 1930 · age 14 · b. ~1916 · Louisiana
★ You are viewing this record
Sibling
Joseph Mccoy
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lundia Mccoy
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccoy
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Mccoy
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lumina Mccoy
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Mccoy
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Azika Mccoy
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Simeon Mccoy
Sibling · 1930 · age 4
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 — East Baton Rouge, Louisiana
Open full size
1930 US Federal Census — East Baton Rouge, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus792unit:0366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Leola Mccoy | 38 | Wife | — | Louisiana |
| 52 | Thomas J. Mccoy | 16 | Son | — | Louisiana |
| 53 | Mary Mccoy THIS PERSON | 14 | Daughter | — | Louisiana |
| 54 | Lundia Mccoy | 12 | Son | — | Louisiana |
| 55 | Azika Mccoy | 10 | Son | — | Louisiana |
| 56 | Willie Mccoy | 8 | Son | — | Louisiana |
| 57 | Albert Mccoy | 6 | Son | — | Louisiana |
| 58 | Simeon Mccoy | 4 | Son | — | Louisiana |
| 59 | Lumina Mccoy | 2 | Daughter | — | Louisiana |
| 60 | Joseph F. Mccoy | 0 | Son | — | Louisiana |
| 61 | Henry Branch | 52 | Head | Farmer | Louisiana |
| 62 | Mary Branch | 32 | Wife H | — | Louisiana |
| 63 | Maly Branch | 9 | Daughter | — | Louisiana |
| 64 | Martha Branch | 8 | Daughter | — | Louisiana |
| 65 | Arthur Branch | 6 | Son | — | Louisiana |
| 66 | Milton Thompson | 41 | Head | Farmer | Louisiana |
| 67 | Minnie Thompson | 45 | Wife H | — | Louisiana |
| 68 | Mary Purnell | 47 | Head | Farmer | Louisiana |
| 69 | Lalilla Purnell | 13 | Daughter | — | Louisiana |
| 70 | Walter Lines | 73 | Head | — | Louisiana |
| 71 | Ira E. Lines | 62 | Wife H | — | Louisiana |
| 72 | Robert Jr. Barkley | 19 | Head | Farmer | Louisiana |
| 73 | Hanna Nelson | 39 | Head | Cook | Louisiana |
| 74 | Willie Stone | 43 | Head | Farmer | Louisiana |
| 75 | Arnett Stone | 39 | Wife H | — | Louisiana |
| 76 | Joseph Stone | 11 | Son | — | Louisiana |
| 77 | Phillip Clips | 66 | Head | Farmer | Louisiana |
| 78 | Stella Clips | 50 | Wife H | — | Louisiana |
| 79 | Isaac Jackson | 14 | Step Son | — | Louisiana |
| 80 | Mary Jackson | 13 | Step Daughter | — | Louisiana |
| 81 | Frank Jackson | 10 | Step Son | — | Louisiana |
| 82 | Budrick Simpson | 27 | Head | Farmer | Louisiana |
| 83 | Berner Simpson | 22 | Wife H | — | Louisiana |
| 84 | Delores Simpson | 2 | Daughter | — | Louisiana |
| 85 | Charles Simpson | 1 | Son | — | Louisiana |
| 86 | Rufus Johnson | 56 | Head | Farmer | Louisiana |
| 87 | Octavia Johnson | 52 | Wife H | — | Louisiana |
| 88 | Alonada Johnson | 20 | Daughter | — | Louisiana |
| 89 | Elvira Hardy | 24 | Daughter | — | Louisiana |
| 90 | Jack Hardy | 15 | Grandson | Labor | Louisiana |
| 91 | Ethel L. Young | 6 | Grand Daughter | — | Louisiana |
| 92 | Benjamin Sims | 40 | Head | Labor | Louisiana |
| 93 | Mabel Sims | 21 | Wife H | — | Louisiana |
| 94 | Butler Sims | 35 | Head | Farmer | Louisiana |
| 95 | Cassina Stewart | 46 | Sister H | — | Louisiana |
| 96 | Frisco Sims | 33 | Head | Farmer | Louisiana |
| 97 | Joe Sims | 64 | Father | — | Louisiana |
| 98 | Isaac W. Taylor | 49 | Head | Farmer | Louisiana |
| 99 | Annie M. Taylor | 37 | Wife H | — | Louisiana |
| 100 | Annie M. Taylor | 16 | Daughter | — | 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)