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Mary Alexander — 1930 US Census Record
Model Tree available1930 United States Federal Census · Lafayette, Louisiana
Our Model Tree links this Mary Alexander across the 1920, 1930 and 1940 US Censuses in Lafayette, Louisiana (XGBoost, ~Confirmed), with identified parents Emile & Gustine — first a daughter (b.~1917), then head of a 8-person household.
Age 13
b. ~1917
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lafayette, Louisiana |
| Surname | Alexander |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| 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 | Third Ward Precinct |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Alexander | Daughter | — | 13 | ~1917 |
| Eva Alexander | Daughter | — | 11 | ~1919 |
| Mildred Alexander | Daughter | — | 9 | ~1921 |
| Amba Alexander | Daughter | — | 16 | ~1914 |
| Emile Alexander | Head | — | 50 | ~1880 |
| Roy Alexander | Son | — | 18 | ~1912 |
| Frank Alexander | Son | — | 22 | ~1908 |
| Gustine Alexander | Spouse | — | 48 | ~1882 |
Census Appearances
1920
Lafayette, Louisiana
Daughter, age 2
Lafayette, Louisiana · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Lafayette, Louisiana
Daughter, age 13
Lafayette, Louisiana · implied b. ~1917 — 8 household members
| Surname | Alexander |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| 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
Lafayette-County, Louisiana
Head, age 25
Lafayette-County, Louisiana · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexandrie |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Widowed |
| Birthplace | Louisiana |
| 1935 Residence (City) | Lafayette City |
| 1935 Residence (County) | Lafayette |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Alexander across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emile Alexander (~0.92 confidence) and mother Gustine Alexander (~0.92 confidence) and mother Justina Alexander (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emile Alexander
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Gustine Alexander
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Justina Alexander
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Alexander
Daughter · 1930 · age 13 · b. ~1917 · Louisiana
★ You are viewing this record
Sibling
Roy Alexander
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amba Alexander
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Alexander
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Alexander
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Alexander
Sibling · 1930 · age 11
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 — Lafayette, Louisiana
Open full size
1930 US Federal Census — Lafayette, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus797unit:0989)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Perkins Narcis | 30 | Head | Farmer | Louisiana |
| 2 | Madeline Narcis | 23 | Wife | — | Louisiana |
| 3 | Josephine Narcis | 0 | Daughter | — | Louisiana |
| 4 | Laherte | 50 | Head | — | Louisiana |
| 5 | Felix Richard | 35 | Head | Farmer | Louisiana |
| 6 | Carla H Richard | 29 | Wife | — | Louisiana |
| 7 | Sarah Richard | 7 | Daughter | — | Louisiana |
| 8 | Frank Richard | 5 | Son | — | Louisiana |
| 9 | Rose Philo Richard | 4 | Daughter | — | Louisiana |
| 10 | Masa Azelie Richard | 4 | Daughter | — | Louisiana |
| 11 | Masa Willie Richard | 2 | Son | Laborer | Louisiana |
| 12 | Dora Leblanc | 47 | Head | Proprietor | Louisiana |
| 13 | Soling Leblanc | 33 | Son | Laborer | Louisiana |
| 14 | Robert Leblanc | 26 | Son | — | Louisiana |
| 15 | Atys | 31 | Head | Blacksmith | Louisiana |
| 16 | Adeline H Atys | 26 | Wife | — | Louisiana |
| 17 | Mary A Atys | 5 | Daughter | — | Louisiana |
| 18 | Baby Atys | 3 | Son | — | Louisiana |
| 19 | Frank Peterman | 35 | Head | Blacksmith | Louisiana |
| 20 | Joseph Felix | 35 | Head | Farmer | Louisiana |
| 21 | Roselia H Felix | 33 | Wife | Servant | Louisiana |
| 22 | Agnes Felix | 7 | Daughter | — | Louisiana |
| 23 | Joseph Felix | 5 | Son | — | Louisiana |
| 24 | Lucille Felix | 2 | Daughter | — | Louisiana |
| 25 | Alicia Felix | 0 | Daughter | — | Louisiana |
| 26 | Josiah Pierre | 60 | Head | Farmer | Louisiana |
| 27 | Louisa H Pierre | 42 | Wife | Laborer | Louisiana |
| 28 | Richard Paul Pierre | 4 | Son | Laborer | Louisiana |
| 29 | Frank Johnson | 35 | Nephew | Laborer | Louisiana |
| 30 | Alphe Coleman | 49 | Head | Farmer | Louisiana |
| 31 | Antonie H Coleman | 48 | Wife | — | Louisiana |
| 32 | Elenor Coleman | 22 | Son | Cook | Louisiana |
| 33 | Eddy Coleman | 20 | Son | Laborer | Louisiana |
| 34 | Clarence Coleman | 18 | Son | Laborer | Louisiana |
| 35 | Wilson Coleman | 13 | Son | — | Louisiana |
| 36 | Nelson Coleman | 13 | Son | — | Louisiana |
| 37 | Sadie Coleman | 11 | Daughter | — | Louisiana |
| 38 | Ortense Coleman | 7 | Daughter | — | Louisiana |
| 39 | Cloza H Alexander | 75 | Head | — | Louisiana |
| 40 | Arthur Carter | 41 | Head | Section Laborer | Louisiana |
| 41 | Eva H Carter | 36 | Wife | — | Louisiana |
| 42 | Rossie Carter | 11 | Daughter | — | Louisiana |
| 43 | Emile Alexander | 50 | Head | Farmer | Louisiana |
| 44 | Gustine Alexander | 48 | Wife | — | Louisiana |
| 45 | Frank Alexander | 22 | Son | Laborer | Louisiana |
| 46 | Roy Alexander | 18 | Son | Laborer | Louisiana |
| 47 | Amba Alexander | 16 | Daughter | Laborer | Louisiana |
| 48 | Mary Alexander THIS PERSON | 13 | Daughter | — | Louisiana |
| 49 | Eva Alexander | 11 | Daughter | — | Louisiana |
| 50 | Mildred Alexander | 9 | Daughter | — | Louisiana |
Related Census Records
Pedigree Summary
Mary + 5 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)