MH
Mary Harper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Perry, Alabama
Our Model Tree links this Mary Harper across the 1920 and 1930 US Censuses in Perry, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 11-person household.
Age 17
b. ~1913
Female
Daughter
Born: Alabama
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Perry, Alabama |
| Surname | Harper |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Clinton Precinct 5 |
| Est. Birth Year | ~1913 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Annie Harper | Daughter | — | 3 | ~1927 |
| Mary Harper | Daughter | — | 17 | ~1913 |
| Virginia Harper | Daughter | — | 5 | ~1925 |
| Emma Harper | Daughter | — | 9 | ~1921 |
| Eva Harper | Daughter | — | 15 | ~1915 |
| John Harper | Head | — | 44 | ~1886 |
| Robert Harper | Son | — | 13 | ~1917 |
| Thomas Harper | Son | — | ~1930 | |
| Willie Harper | Son | — | 20 | ~1910 |
| John Harper | Son | — | 7 | ~1923 |
| Willie Harper | Spouse | — | 41 | ~1889 |
Census Appearances
1920
Perry, Alabama
Daughter, age 7
Perry, Alabama · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Perry, Alabama
Daughter, age 17
Perry, Alabama · implied b. ~1913 — 11 household members
| Surname | Harper |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Harper across 2 US Census years (1920 and 1930) in Perry, Alabama, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harper
Daughter · 1930 · age 17 · b. ~1913 · Alabama
★ You are viewing this record
Sibling
Emma Harper
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Harper
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Harper
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Harper
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Harper
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Harper
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Harper
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Harper
Sibling · 1930 · age 7
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 — Perry, Alabama
Open full size
1930 US Federal Census — Perry, Alabama
Page Contents
50 people indexed on this census page (ia:1930:15thcensus45usce:0850)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lillie Williams | 19 | Head | — | Alabama |
| 52 | Beatrice Williams | 17 | Sister | — | Alabama |
| 53 | Lucinda Perkins | 60 | Head | Farmer | Alabama |
| 54 | Lee Perkins | 53 | Brother | Farmer | Alabama |
| 55 | Charlie Perkins | 13 | Son | — | Alabama |
| 56 | Isabella Perkins | 12 | Daughter | — | Mississippi |
| 57 | Mary L Perkins | 11 | Daughter | — | Mississippi |
| 58 | Safonia Perkins | 9 | Daughter | — | Mississippi |
| 59 | Charlie Perkins | 47 | Head | Farmer | Alabama |
| 60 | Lena Perkins | 35 | Wife | — | Alabama |
| 61 | Sally M Perkins | 13 | Daughter | — | Alabama |
| 62 | Le Hall Perkins | 11 | Daughter | — | Alabama |
| 63 | Howard Perkins | 10 | Son | — | Alabama |
| 64 | John Perkins | 7 | Son | — | Alabama |
| 65 | Elias Perkins | 5 | Son | — | Alabama |
| 66 | Ruby J Perkins | 3 | Daughter | — | Alabama |
| 67 | Mary L Perkins | 1 | Daughter | — | Alabama |
| 68 | Spencer Grant | 70 | Head | Farmer | Alabama |
| 69 | Ernestine Grant | 40 | Wife | — | Alabama |
| 70 | Iona Grant | 27 | Daughter | — | Alabama |
| 71 | Emmet Grant | 25 | Son | Farmer | Alabama |
| 72 | Effie R Grant | 21 | Daughter | Laborer | Alabama |
| 73 | Riley Grant | 19 | Daughter | Laborer | Alabama |
| 74 | Watkins Grant | 18 | Son | Laborer | Alabama |
| 75 | Amos Grant | 17 | Son | Laborer | Alabama |
| 76 | Hardy Grant | 11 | Son | — | Alabama |
| 77 | Herbert Grant | 9 | Son | — | Alabama |
| 78 | David S Griffin | 73 | Head | Farmer | Alabama |
| 79 | John H Harper | 44 | Head | Farmer | Alabama |
| 80 | Willie D Harper | 41 | Wife | — | Alabama |
| 81 | Willie H Harper | 20 | Son | Laborer | Alabama |
| 82 | Mary L Harper THIS PERSON | 17 | Daughter | — | Alabama |
| 83 | Eva G Harper | 15 | Daughter | — | Alabama |
| 84 | Robert H Harper | 13 | Son | — | Alabama |
| 85 | Emma H Harper | 9 | Daughter | — | Alabama |
| 86 | John O Harper | 7 | Son | — | Alabama |
| 87 | Virginia Harper | 5 | Daughter | — | Alabama |
| 88 | Annie R Harper | 3 | Daughter | — | Alabama |
| 89 | Thomas E Harper | 0 | Son | — | Alabama |
| 90 | James W Moore | 31 | Head | Farmer | Alabama |
| 91 | Bertha Moore | 25 | Wife | — | Alabama |
| 92 | Lloyd E Moore | 6 | Son | — | Alabama |
| 93 | Willie E Moore | 4 | Son | — | Alabama |
| 94 | Elizabeth Moore | 3 | Daughter | — | Alabama |
| 95 | Catherine Moore | 1 | Daughter | — | Alabama |
| 96 | Gayle Hall | 49 | Head | Farmer | Alabama |
| 97 | Hester M Hall | 21 | Wife | — | Alabama |
| 98 | Reucher Hall | 16 | Son | — | Alabama |
| 99 | Lois Ab Hall | 13 | Daughter | — | Alabama |
| 100 | Josephine Hall | 10 | Daughter | — | Alabama |
Related Census Records
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)