JH
James Harper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Collin, Texas
Our Model Tree links this James Harper across the 1930 and 1940 US Censuses in Collin, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 3
b. ~1927
Female
Daughter
Born: Texas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Collin, Texas |
| Surname | Harper |
| Given Name | James |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Additional Details | |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Precinct 5 Justice |
| Est. Birth Year | ~1927 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Hugh Harper | Daughter | — | 9 | ~1921 |
| Juanita Harper | Daughter | — | 1 | ~1929 |
| Irene Harper | Daughter | — | 15 | ~1915 |
| Mary Harper | Daughter | — | 6 | ~1924 |
| Arline Harper | Daughter | — | 12 | ~1918 |
| Agnes Harper | Daughter | — | 17 | ~1913 |
| James Harper | Daughter | — | 3 | ~1927 |
| E Harper | Head | — | 42 | ~1888 |
| Owen Harper | Son | — | 18 | ~1912 |
| Vernon Harper | Son | — | 14 | ~1916 |
| Rosa Harper | Spouse | — | 35 | ~1895 |
Census Appearances
1930
Collin, Texas
Daughter, age 3
Collin, Texas · implied b. ~1927 — 11 household members
| Surname | Harper |
| Given Name | James |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Collin-County, Texas
Daughter, age 13
Collin-County, Texas · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Janice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 5 |
| 1935 Residence (County) | Collin |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 James Harper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Harper
Daughter · 1930 · age 3 · b. ~1927 · Texas
★ You are viewing this record
Sibling
Juanita Harper
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Harper
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Harper
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Harper
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Harper
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Harper
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Harper
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arline Harper
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 — Collin, Texas
Open full size
1930 US Federal Census — Collin, Texas
Page Contents
50 people indexed on this census page (ia:1930:texascensus00reel2310:0526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Tom A Blake | 52 | Head | Farming | Arkansas |
| 52 | Mary Blake | 38 | Wife | — | Mississippi |
| 53 | Edrie Blake | 18 | Son | Helper | Texas |
| 54 | Vernon Blake | 13 | Son | — | Texas |
| 55 | Levi Bailey | 27 | Head | Farming | Texas |
| 56 | Eloise Bailey | 22 | Wife | — | Texas |
| 57 | Billie Bailey | 5 | Son | — | Texas |
| 58 | Bob Bailey | 1 | Son | — | Texas |
| 59 | Johnnie Bailey | 22 | Head | Laborer | Texas |
| 60 | Edith Bailey | 21 | Wife | — | Texas |
| 61 | Bettie L Bailey | 3 | Daughter | — | Texas |
| 62 | Mary E Bailey | 2 | Daughter | — | Texas |
| 63 | Thomas Loughlin | 62 | Head | Farming | Virginia |
| 64 | Margaret Loughlin | 60 | Wife | — | Virginia |
| 65 | R D Clark | 28 | Head | Farming | Texas |
| 66 | Velma Clark | 28 | Wife | — | Texas |
| 67 | Crosley F Clark | 6 | Son | — | Texas |
| 68 | Robert Clark | 4 | Son | — | Texas |
| 69 | Wyneth Clark | 1 | Daughter | — | Texas |
| 70 | E J Harper | 42 | Head | Farming | Texas |
| 71 | Rosa Harper | 35 | Wife | — | Texas |
| 72 | Owen Harper | 18 | Son | — | Texas |
| 73 | Agnes Harper | 17 | Daughter | — | Texas |
| 74 | Irene Harper | 15 | Daughter | — | Texas |
| 75 | Vernon Harper | 14 | Son | — | Texas |
| 76 | Arline Harper | 12 | Daughter | — | Texas |
| 77 | Hugh Harper | 9 | Daughter | — | Texas |
| 78 | Mary L Harper | 6 | Daughter | — | Texas |
| 79 | James Harper THIS PERSON | 3 | Daughter | — | Texas |
| 80 | Juanita Harper | 1 | Daughter | — | Texas |
| 81 | Herbert Winn | 46 | Head | Dealer | Tennessee |
| 82 | Lucy Winn | 42 | Wife | — | Texas |
| 83 | Marie Winn | 15 | Daughter | — | Texas |
| 84 | Leah Winn | 14 | Daughter | — | Texas |
| 85 | Louise Winn | 12 | Daughter | — | Texas |
| 86 | Juanita Winn | 10 | Daughter | — | Texas |
| 87 | Ralph Winn | 8 | Son | — | Texas |
| 88 | Billy Winn | 6 | Son | — | Texas |
| 89 | Jack Winn | 4 | Son | — | Texas |
| 90 | Joe Winn | 2 | Son | — | Texas |
| 91 | Bettie S Winn | 1 | Daughter | — | Texas |
| 92 | Mack Troves | 52 | Head | Ginner | Texas |
| 93 | Bertha Troves | 51 | Wife | — | North Carolina |
| 94 | Dorothy Troves | 22 | Daughter | Stenographer | Texas |
| 95 | Bobby Troves | 17 | Son | Helper | Texas |
| 96 | Nellie Troves | 15 | Daughter | — | Texas |
| 97 | Joy Troves | 7 | Daughter | — | Texas |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
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)