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Henry Alexander — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Plaquemines, Louisiana
Our Model Tree links this Henry Alexander across the 1910 and 1920 US Censuses in Plaquemines, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 8-person household.
Age 10
b. ~1910
Male
Son
Born: Louisiana
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Plaquemines, Louisiana |
| Surname | Alexander |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 6 |
| Est. Birth Year | ~1910 |
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 1920 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Harold Alexander | Son | — | 13 | ~1907 |
| Henry Alexander | Son | — | 10 | ~1910 |
| Hester Alexander | Spouse | — | 27 | ~1893 |
| Agnes Alexander | Daughter | — | 3 | ~1917 |
| Gomella Alexander | Head | — | 33 | ~1887 |
| Beulah Alexander | Daughter | — | 6 | ~1914 |
| Herman Alexander | Son | — | 3 | ~1917 |
| Thomas Alexander | Son | — | 1 | ~1919 |
Census Appearances
1910
Plaquemines, Louisiana
Son, age 1
Plaquemines, Louisiana · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1920
Plaquemines, Louisiana
Son, age 10
Plaquemines, Louisiana · implied b. ~1910 — 8 household members
| Surname | Alexander |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| 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 Henry Alexander across 2 US Census years (1910 and 1920) in Plaquemines, Louisiana, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Alexander
Son · 1920 · age 10 · b. ~1910 · Louisiana
★ You are viewing this record
Sibling
Beulah Alexander
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Alexander
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Alexander
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Alexander
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Alexander
Sibling · 1920 · age 13
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
1920 US Federal Census — Plaquemines, Louisiana
Open full size
1920 US Federal Census — Plaquemines, Louisiana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu613unit:0447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lippert Benjamin | 38 | Head | Laborer | Louisiana |
| 2 | Corinne Benjamin | 37 | Wife | — | Louisiana |
| 3 | Gomella Alexander | 33 | Head | Laborer | Louisiana |
| 4 | Hester Alexander | 27 | Wife | — | Louisiana |
| 5 | Harold Alexander | 13 | Son | — | Louisiana |
| 6 | Henry Alexander THIS PERSON | 10 | Son | — | Louisiana |
| 7 | Beulah Alexander | 6 | Daughter | — | Louisiana |
| 8 | Agnes Alexander | 3 | Daughter | — | Louisiana |
| 9 | Herman Alexander | 3 | Son | — | Louisiana |
| 10 | Thomas Alexander | 1 | Son | — | Louisiana |
| 11 | Ellen Parker | 55 | Head | Laborer | Louisiana |
| 12 | Elizabeth Parker | 11 | Wife | — | Louisiana |
| 13 | Frank Maginnis | 16 | Stepson | Laborer | Louisiana |
| 14 | Elijah Maginnis | 14 | Stepson | Laborer | Louisiana |
| 15 | Israel Maginnis | 13 | Stepson | Laborer | Louisiana |
| 16 | Louis Maginnis | 12 | Stepson | Laborer | Louisiana |
| 17 | Jacob Maginnis | 10 | Stepson | — | Louisiana |
| 18 | Ernest Maginnis | 5 | Stepson | — | Louisiana |
| 19 | Louis Jeanpreau | 50 | Head | Plumber | Louisiana |
| 20 | Nellie Jeanpreau | 49 | Wife | — | Louisiana |
| 21 | James Jeanpreau | 15 | Son | Painter | Louisiana |
| 22 | Blanche Jeanpreau | 15 | Daughter | — | Louisiana |
| 23 | Ray Jeanpreau | 13 | Son | — | Louisiana |
| 24 | Eddie Jeanpreau | 11 | Son | — | Louisiana |
| 25 | Haller Jeanpreau | 9 | Son | — | Louisiana |
| 26 | Raymond Jeanpreau | 5 | Son | — | Louisiana |
| 27 | Helen Jeanpreau | 4 | Daughter | — | Louisiana |
| 28 | Alice Geoffroy | 43 | Head | — | Louisiana |
| 29 | Octavie Geoffroy | 55 | Sister | — | Louisiana |
| 30 | Louis Turret | 45 | Head | Foreman | Louisiana |
| 31 | Louisiana Turret | 43 | Wife | — | Louisiana |
| 32 | Angele Lazard | 57 | Mother-in-law | — | Louisiana |
| 33 | James Reed | 40 | Head | Laborer | Louisiana |
| 34 | Josephine Reed | 30 | Wife | — | Louisiana |
| 35 | Tena Reed | 10 | Daughter | — | Louisiana |
| 36 | Haller Reed | 6 | Son | — | Louisiana |
| 37 | Paul Reed | 4 | Son | — | Louisiana |
| 38 | Elvida Reed | 1 | Daughter | — | Louisiana |
| 39 | Modeste Solay | 65 | Mother-in-law | — | Louisiana |
| 40 | Isaiah Martison | 45 | Head | Laborer | Louisiana |
| 41 | Lydia Martison | 43 | Wife | Laborer | Louisiana |
| 42 | Evalina Martison | 16 | Daughter | Laborer | Louisiana |
| 43 | Calvin Martison | 11 | Son | — | Louisiana |
| 44 | Cornelius Martison | 10 | Son | — | Louisiana |
| 45 | Bertha Martison | 2 | Daughter | — | Louisiana |
| 46 | Charlie Jefferson | 70 | Head | Laborer | Louisiana |
| 47 | Eva Bradley | 60 | Niece | Laborer | Louisiana |
| 48 | Gibson Williams | 40 | Head | Laborer | Louisiana |
| 49 | Rebecca Williams | 37 | Wife | Washerwoman | Louisiana |
| 50 | Albert Williams | 11 | Grandson | — | Louisiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)