JD
John Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marion, Indiana
Our Model Tree links this John Davis across the 1910, 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed), with identified parents Abijah & Harry — first a son (b.~1907), then head of a 3-person household.
Age 23
b. ~1907
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Davis |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Life Insurance |
| Industry | Gen. Metal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Life Insurance |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rebekah Davis | Head | — | 67 | ~1863 |
| John Davis | Son | — | 23 | ~1907 |
| Elizabeth Davis | Spouse | — | 59 | ~1871 |
Census Appearances
1910
Marion, Indiana
Son, age 1
Marion, Indiana · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Son, age 12
Marion, Indiana · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 23
Marion, Indiana · implied b. ~1907 — 3 household members
| Surname | Davis |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Pennsylvania |
| Occupation | Life Insurance |
| Industry | Gen. Metal |
| Class of Worker | W |
| 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 John Davis across 3 US Census years (1910, 1920 and 1930) in Marion, Indiana, using XGBoost record linkage. Identified parents: father Abijah Davis (~0.92 confidence) and father Harry Davis (~0.92 confidence) and mother Rebekah Davis (~0.92 confidence) and mother Elizabeth Davis (~0.92 confidence) and mother Lydia Davis (~0.92 confidence) and mother Elizabeth Davis (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abijah Davis
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Harry Davis
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Rebekah Davis
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Davis
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Lydia Davis
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Davis
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Davis
Son · 1930 · age 23 · b. ~1907 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel612rs:0111)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Claud Craig | 21 | Nephew | Printer | Indiana |
| 2 | Roland Maloy | 53 | Head | Bricklayer | Indiana |
| 3 | Jenny Maloy | 54 | Wife | Laundress | Indiana |
| 4 | Clifford Maloy | 24 | Son | Laborer | Indiana |
| 5 | Laura Maloy | 23 | Daughter-in-law | — | Illinois |
| 6 | Elizabeth Maloy | 15 | Daughter | Office Work | Indiana |
| 7 | Virginia Maloy | 15 | Daughter | Candy Factory | Indiana |
| 8 | Robert Maloy | 11 | Son | — | Indiana |
| 9 | George Sylvester | 42 | Head | Shipping Clerk | Indiana |
| 10 | Verna Sylvester | 39 | Wife | — | Indiana |
| 11 | Hazel Sylvester | 15 | Daughter | — | Kansas |
| 12 | Ruth Sylvester | 12 | Daughter | — | Kansas |
| 13 | Martha Sylvester | 9 | Daughter | — | Indiana |
| 14 | Raymond Sylvester | 5 | Son | — | Indiana |
| 15 | Fred G. Kunz | 57 | Head | Telegrapher | Ohio |
| 16 | Minnie Kunz | 52 | Wife | — | Ohio |
| 17 | Fred M. Kunz | 27 | Son | Electrician | Indiana |
| 18 | Alexander Kunz | 23 | Son | Shipping Clerk | Indiana |
| 19 | Joe M. Kunz | 21 | Son | — | Indiana |
| 20 | Ida May Kunz | 22 | Daughter-in-law | — | Kentucky |
| 21 | Wilford Allen | 33 | Head | Electrician | Indiana |
| 22 | Alfreda Allen | 33 | Wife | Clerical | Indiana |
| 23 | Wilford Allen | 12 | Son | — | Indiana |
| 24 | Rebekah Davis | 67 | Head | Teacher Music | Indiana |
| 25 | Elizabeth Davis | 59 | Wife | — | Pennsylvania |
| 26 | John A. Davis THIS PERSON | 23 | Son | Life Insurance | Indiana |
| 27 | George L. Wade | 45 | Head | Engineer | Indiana |
| 28 | Ellenore Wade | 43 | Wife | — | Indiana |
| 29 | Mary Wade | 19 | Daughter | Office Clerk | Indiana |
| 30 | Robert Wade | 17 | Son | Ticket Taker | Indiana |
| 31 | Marcella Wade | 14 | Daughter | — | Indiana |
| 32 | Phillip E. Kelly | 71 | Head | Salesman | Kentucky |
| 33 | Matilda Kelly | 71 | Wife | — | Kentucky |
| 34 | Elsie Kelly | 36 | Daughter | Comptometer | Indiana |
| 35 | Susan A. Flick | 53 | Head | — | Kentucky |
| 36 | Vera Ware | 31 | Daughter | Payroll Clerk | Indiana |
| 37 | Harry R. Ware | 37 | Son-in-law | Draftsman | Indiana |
| 38 | John A. May | 71 | Roomer | Retired | Ohio |
| 39 | Leslie League | 44 | Head | Machine Shop | Indiana |
| 40 | Gertrude League | 40 | Wife | — | Indiana |
| 41 | Margaret League | 19 | Daughter | Radio Tubes | Indiana |
| 42 | Dorothy League | 12 | Daughter | — | Indiana |
| 43 | Charles Cash | 15 | Step-son | Sheet Metal | Kentucky |
| 44 | Emma Cash | 60 | Mother-in-law | — | Kentucky |
| 45 | Charles Dieglow | 66 | Head | Salesman | Germany |
| 46 | Ella Dieglow | 65 | Wife | — | Michigan |
| 47 | Fred C. Weiss | 48 | Head | Bookkeeper | Indiana |
| 48 | Lottie Weiss | 49 | Wife | — | Indiana |
| 49 | Katherine Weiss | 14 | Daughter | — | Indiana |
| 50 | Benjamin Soltau | 39 | Head | Groceryman | Indiana |
Pedigree Summary
John
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)