JL
James Lucas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Clay, Indiana
Our Model Tree links this James Lucas across the 1920 and 1930 US Censuses in Clay, Indiana (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 11-person household.
Age 10
b. ~1920
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Clay, Indiana |
| Surname | Lucas |
| Given Name | James A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Knightsville Town |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Ruth Lucas | Daughter | — | 2 | ~1928 |
| Martha Lucas | Daughter | — | 6 | ~1924 |
| Doris Lucas | Daughter | — | 12 | ~1918 |
| Ross Lucas | Head | — | 37 | ~1893 |
| Maria Short | Other | — | 70 | ~1860 |
| Alma Lucas | Other | — | 38 | ~1892 |
| James Lucas | Son | — | 10 | ~1920 |
| Stanley Lucas | Son | — | 8 | ~1922 |
| John Lucas | Son | — | 4 | ~1926 |
| Robert Lucas | Son | — | ~1930 | |
| Thomas Lucas | Son | — | 14 | ~1916 |
Census Appearances
1920
Clay, Indiana
Son, age
Clay, Indiana · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Clay, Indiana
Son, age 10
Clay, Indiana · implied b. ~1920 — 11 household members
| Surname | Lucas |
| Given Name | James A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Lucas across 2 US Census years (1920 and 1930) in Clay, Indiana, using XGBoost record linkage.
Show:
This person
Anchor record
James Lucas
Son · 1930 · age 10 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
John Lucas
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Lucas
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lucas
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Lucas
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Lucas
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Lucas
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lucas
Sibling · 1930 · age
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 — Clay, Indiana
Open full size
1930 US Federal Census — Clay, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel581:0497)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John K Irwin | 5 | son | None | Indiana |
| 2 | Donald N Irwin | 4 | son | None | Indiana |
| 3 | Jesse V Irwin | 2 | son | None | Indiana |
| 4 | Sarah Purcell | 70 | head | None | Indiana |
| 5 | James Mclean | 43 | head | Miner | Indiana |
| 6 | Ruth A Mclean | 34 | wife-H | None | Indiana |
| 7 | Roger D Mclean | 1 | son | None | Indiana |
| 8 | Sylvia J Mclean | 0 | daughter | None | Indiana |
| 9 | Frank Ramage | 59 | head | Miner | Ohio |
| 10 | Ella Ramage | 57 | wife-H | None | Indiana |
| 11 | Maude F Ramage | 26 | daughter | Teacher | Indiana |
| 12 | Columbus M Lucas | 51 | head | Miner | Indiana |
| 13 | Etta Lucas | 50 | wife-H | None | Indiana |
| 14 | Madge Lucas | 24 | daughter | Stenographer | Indiana |
| 15 | Charles W Brill | 64 | head | Miner | Indiana |
| 16 | Lida Brill | 59 | wife-H | None | Indiana |
| 17 | John E Huskey | 31 | head | Zinc Roller | Illinois |
| 18 | Mabel E Huskey | 31 | wife-H | None | Illinois |
| 19 | Granville H Long | 69 | father-in-law | Feeder | Indiana |
| 20 | Frank J Burnett | 37 | head | Truckman | Indiana |
| 21 | Opal M Burnett | 29 | wife-H | None | Indiana |
| 22 | Raymond F Burnett | 6 | son | None | Indiana |
| 23 | Colletta A Burnett | 1 | daughter | None | Indiana |
| 24 | Ross A Lucas | 37 | head | Laborer | Indiana |
| 25 | Alma M Lucas | 38 | wife-H | None | Indiana |
| 26 | Thomas R Lucas | 14 | son | None | Indiana |
| 27 | Doris M Lucas | 12 | daughter | None | Indiana |
| 28 | James A Lucas THIS PERSON | 10 | son | None | Indiana |
| 29 | Stanley P Lucas | 8 | son | None | Indiana |
| 30 | Martha J Lucas | 6 | daughter | None | Indiana |
| 31 | John Lucas | 4 | son | None | Indiana |
| 32 | Ruth M Lucas | 2 | daughter | None | Indiana |
| 33 | Robert L Lucas | 0 | son | None | Indiana |
| 34 | Maria L Short | 70 | mother-in-law | None | England |
| 35 | Charles E Reed | 78 | head | None | England |
| 36 | Margaret A Reed | 65 | wife-H | None | England |
| 37 | Robert E Lawson | 30 | head | Linotype Op | Indiana |
| 38 | Thelma P Lawson | 27 | wife-H | None | Indiana |
| 39 | Richard B Fout | 51 | head | Laborer | Indiana |
| 40 | John W Brown | 53 | head | Miner | Indiana |
| 41 | John W Brown | 26 | son | Laborer | Indiana |
| 42 | Thelma C Brown | 13 | daughter | None | Indiana |
| 43 | Mary Brown | 55 | sister-H | None | Indiana |
| 44 | David H Brown | 20 | son | Laborer | Indiana |
| 45 | Margaret A Brown | 21 | daughter-in-law | None | Indiana |
| 46 | Betty J Brown | 0 | gd-daughter | None | Indiana |
| 47 | Harry G Young | 43 | head | Foreman | Indiana |
| 48 | Leah S Young | 41 | wife-H | None | Indiana |
| 49 | Lora J Young | 20 | daughter | Stenographer | Indiana |
| 50 | George Cunningham | 44 | head | Laborer | United States |
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)