MC
Mary Costa — 1930 US Census Record
Model Tree available1930 United States Federal Census · Tangipahoa, Louisiana
Our Model Tree links this Mary Costa across the 1920, 1930 and 1940 US Censuses in Tangipahoa, Louisiana (XGBoost, ~Confirmed), with identified parents May & Joe — first a daughter (b.~1915), then head of a 5-person household.
Age 15
b. ~1915
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Tangipahoa, Louisiana |
| Surname | Costa |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Italy |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Barber |
| Industry | Barber shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Barber |
| Township / Ward | Independence Town |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rosa Costa | Daughter | — | 12 | ~1918 |
| Joe Costa | Son | — | 18 | ~1912 |
| Joe Costa | Head | — | 43 | ~1887 |
| Jennie Costa | Other | — | 37 | ~1893 |
| Mary Costa | Daughter | — | 15 | ~1915 |
Census Appearances
1920
Tangipahoa, Louisiana
Daughter, age 5
Tangipahoa, Louisiana · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costa |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Italy |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Tangipahoa, Louisiana
Daughter, age 15
Tangipahoa, Louisiana · implied b. ~1915 — 5 household members
| Surname | Costa |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Italy |
| Mother's Birthplace | Illinois |
| Occupation | Barber |
| Industry | Barber shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Tangipahoa-County, Louisiana
Daughter, age 24
Tangipahoa-County, Louisiana · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casta |
| Given Name | Marguerite |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Kentwood Town |
| 1935 Residence (County) | Tangipahoa |
| Occupation | Typist |
| Industry | Florida Power & Light Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 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 Costa across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother May Casta (~0.92 confidence) and father Joe Costa (~0.92 confidence) and mother Annie Costa (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
May Casta
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Joe Costa
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Annie Costa
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Costa
Daughter · 1930 · age 15 · b. ~1915 · Louisiana
★ You are viewing this record
Sibling
Joe Costa
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Costa
Sibling · 1930 · age 12
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 — Tangipahoa, Louisiana
Open full size
1930 US Federal Census — Tangipahoa, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus822unit:0388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Stella Horn | 12 | Daughter | — | Louisiana |
| 52 | Leo Horn | 6 | Son | — | Louisiana |
| 53 | Joe J. Sr. Costa | 43 | Head | Farmer | Italy |
| 54 | Jennie Costa | 37 | Wife-H | — | Illinois |
| 55 | Joe C. Jr. Costa | 18 | Son | — | Louisiana |
| 56 | Mary Costa THIS PERSON | 15 | Daughter | Barber | Louisiana |
| 57 | Rosa Costa | 12 | Daughter | — | Louisiana |
| 58 | Willie Westrope | 49 | Head | Commercial | Louisiana |
| 59 | Maud Westrope | 46 | Wife-H | Salesman | Mississippi |
| 60 | Jennie Reid | 26 | Daughter | — | Mississippi |
| 61 | Charles Reid | 27 | Son-in-law | Laborer | Louisiana |
| 62 | Irma Reid | 6 | Daughter | — | Louisiana |
| 63 | Joseph A. Bennett | 54 | Lodger | Machinist | Louisiana |
| 64 | Louis Sr. Klotzbach | 27 | Head | Baker | Louisiana |
| 65 | Cassie Klotzbach | 29 | Wife-H | Saleslady | Louisiana |
| 66 | Louis Jr. Klotzbach | 2 | Son | — | Louisiana |
| 67 | Fred Lotterhos | 30 | Lodger | Baker | Mississippi |
| 68 | Richard Noyes | 67 | Head | Bricklayer | Wisconsin |
| 69 | Reta Noyes | 38 | Wife-H | — | Louisiana |
| 70 | James Noyes | 14 | Son | Baker | Louisiana |
| 71 | Fannie Mcknight | 80 | Head | — | Mississippi |
| 72 | Neomia Mcknight | 49 | Daughter | Retail Merchant | Mississippi |
| 73 | John Kinchen | 53 | Head | — | Louisiana |
| 74 | Willie Kinchen | 39 | Wife-H | — | Louisiana |
| 75 | George Raborn | 34 | Head | Stitcher | Louisiana |
| 76 | Annie Raborn | 33 | Wife-H | — | Mississippi |
| 77 | Beatrice Raborn | 9 | Daughter | — | Louisiana |
| 78 | Telemaco Coveri | 60 | Head | Pharmacist | Italy |
| 79 | Katie Coveri | 37 | Wife-H | — | Italy |
| 80 | Mary Musacchia | 18 | Step-daughter | — | Louisiana |
| 81 | Fanny Musacchia | 15 | Step-daughter | — | Louisiana |
| 82 | Colis Lee | 21 | Head | Butcher | Louisiana |
| 83 | Pearlie Lee | 20 | Wife-H | — | Louisiana |
| 84 | Frank Jacobsen | 61 | Lodger | Bookkeeper | Nebraska |
| 85 | Angelo Albano | 41 | Head | Farmer | Italy |
| 86 | Jennie Albano | 40 | Wife-H | — | Italy |
| 87 | John Albano | 15 | Son | Laborer | Louisiana |
| 88 | Severia Albano | 14 | Daughter | — | Louisiana |
| 89 | Mary Albano | 12 | Daughter | — | Louisiana |
| 90 | Peter Albano | 10 | Son | — | Louisiana |
| 91 | Jennie Albano | 8 | Daughter | — | Louisiana |
| 92 | Esther Albano | 3 | Daughter | — | Louisiana |
| 93 | Frank Albano | 1 | Son | — | Louisiana |
| 94 | Severia Albano | 70 | Mother | — | Italy |
| 95 | Otis Lee | 19 | Head | Laborer | Louisiana |
| 96 | Dorothea Lee | 19 | Wife-H | — | Louisiana |
| 97 | Richmond Mcelveen | 31 | Head | Foreman | Louisiana |
| 98 | Lida Mcelveen | 29 | Wife-H | — | Louisiana |
| 99 | Richmond Jr. Mcelveen | 2 | Son | — | Louisiana |
| 100 | Carolyn Mcelveen | 1 | Daughter | — | Louisiana |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)