JC
John Copeland — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Duval, Florida
Our Model Tree links this John Copeland across the 1920 and 1930 US Censuses in Duval, Florida (XGBoost, ~Confirmed) — first a son (b.~1906), then head of a 8-person household.
Age 24
b. ~1906
Male
Son
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Duval, Florida |
| Surname | Copeland |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Mechanic |
| Township / Ward | Precinct 20 A |
| Est. Birth Year | ~1906 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| J Copeland | Head | — | 73 | ~1857 |
| Joseph Copeland | Son | — | 28 | ~1902 |
| John Copeland | Son | — | 24 | ~1906 |
| Lawrence Copeland | Son | — | 20 | ~1910 |
| James Copeland | Son | — | 26 | ~1904 |
| Linnie Copeland | Spouse | — | 57 | ~1873 |
| Woodrow Copeland | Son | — | 14 | ~1916 |
| J Copeland | Son | — | 35 | ~1895 |
Census Appearances
1920
Duval, Florida
Son, age 13
Duval, Florida · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Copeland |
| Given Name | J. C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Duval, Florida
Son, age 24
Duval, Florida · implied b. ~1906 — 8 household members
| Surname | Copeland |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 John Copeland across 2 US Census years (1920 and 1930) in Duval, Florida, using XGBoost record linkage.
Show:
This person
Anchor record
John Copeland
Son · 1930 · age 24 · b. ~1906 · Florida
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Sibling
James Copeland
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Copeland
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Copeland
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Woodrow Copeland
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Copeland
Sibling · 1930 · age 35
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 — Duval, Florida
Open full size
1930 US Federal Census — Duval, Florida
Page Contents
50 people indexed on this census page (ia:1930:15thcensus314unit:0932)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marcia Engstrom | 10 | Daughter | — | Georgia |
| 52 | Joyce Engstrom | 10 | Daughter | — | Georgia |
| 53 | Wade Engstrom | 5 | Son | — | Georgia |
| 54 | Wade Land Murrell | 54 | Head | Messenger | Alabama |
| 55 | Inez Murrell | 47 | Wife | — | Alabama |
| 56 | Robert Ray Murrell | 18 | Son | — | Alabama |
| 57 | John T. Murrell | 31 | Head | Agent | Florida |
| 58 | Amelia T. Murrell | 31 | Wife | — | Florida |
| 59 | Betty Murrell | 5 | Daughter | — | Florida |
| 60 | John Jr. Murrell | 2 | Son | — | Florida |
| 61 | Doris June Murrell | 0 | Daughter | — | Florida |
| 62 | Lula Murrell | 16 | Sister | — | Florida |
| 63 | May Brooks | 40 | Head | Teacher | England |
| 64 | Clara Brooks | 40 | Wife | — | England |
| 65 | Constance Marjorie Brooks | 13 | Daughter | — | England |
| 66 | Kenneth Horace Brooks | 12 | Son | — | England |
| 67 | Guy S. Williamson | 25 | Head | Stationary Engineer | Georgia |
| 68 | Inez Williamson | 23 | Wife | — | New York |
| 69 | Marjorie Williamson | 2 | Daughter | — | Florida |
| 70 | Howard Williamson | 1 | Son | — | Florida |
| 71 | C. Knowles | 39 | Head | Teacher | Florida |
| 72 | Irene Knowles | 29 | Wife | — | Florida |
| 73 | Charles Jr. Knowles | 8 | Son | — | Florida |
| 74 | Emiline Knowles | 5 | Daughter | — | Florida |
| 75 | Charles E. Knowles | 2 | Son | — | Florida |
| 76 | William Lundie | 44 | Head | — | Pennsylvania |
| 77 | Daisy Lundie | 25 | Wife | — | Georgia |
| 78 | Sarah E. Pratt | 67 | Mother in law | — | So Carolina |
| 79 | W. Wiggins | 37 | Head | Manager | Michigan |
| 80 | Rose S. Wiggins | 31 | Wife | — | Kentucky |
| 81 | Shirley Wiggins | 5 | Daughter | — | Florida |
| 82 | W. S. Jr. Wiggins | 3 | Son | — | Florida |
| 83 | Ruth Mae Wiggins | 0 | Daughter | — | Florida |
| 84 | S. George | 45 | Head | Car Inspector | Texas |
| 85 | Nellie George | 33 | Wife | — | Florida |
| 86 | Clarence George | 7 | Daughter | — | Florida |
| 87 | Roy L. Adkins | 37 | Head | Salesman | Tennessee |
| 88 | Beulah L. Adkins | 33 | Wife | — | Tennessee |
| 89 | Margaret L. Adkins | 7 | Daughter | — | Kentucky |
| 90 | Roy L. Jr. Adkins | 4 | Son | — | Florida |
| 91 | W. F. Basford | 28 | Head | Credit Mgr. | Florida |
| 92 | Ruth Basford | 19 | Wife | — | Florida |
| 93 | J. T. Copeland | 73 | Head | — | Georgia |
| 94 | Linnie Copeland | 57 | Wife | — | Georgia |
| 95 | J. C. Copeland | 35 | Son | Mechanic | Georgia |
| 96 | Joseph Copeland | 28 | Son | Plumber | Georgia |
| 97 | James N. Copeland | 26 | Son | Plumber | Georgia |
| 98 | John H. Copeland THIS PERSON | 24 | Son | Mechanic | Georgia |
| 99 | Lawrence E. Copeland | 20 | Son | Truck Driver | Georgia |
| 100 | Woodrow E. Copeland | 14 | Son | — | Georgia |
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)