RD
Robert Davidson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Bibb, Alabama
Our Model Tree links this Robert Davidson across the 1910, 1920 and 1930 US Censuses in Bibb, Alabama (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1903), then head of a 4-person household.
Age 27
b. ~1903
Male
Son
Born: Alabama
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bibb, Alabama |
| Surname | Davidson |
| Given Name | Robert Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Miner |
| Township / Ward | Beat 11 |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Davidson | Son | — | 27 | ~1903 |
| Margaret Davidson | Spouse | — | 59 | ~1871 |
| Robert Davidson | Head | — | 70 | ~1860 |
| Henry Haskins | Other | — | 39 | ~1891 |
Census Appearances
1910
Bibb, Alabama
Son, age 8
Bibb, Alabama · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Robert Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Bibb, Alabama
Son, age 17
Bibb, Alabama · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Bibb, Alabama
Son, age 27
Bibb, Alabama · implied b. ~1903 — 4 household members
| Surname | Davidson |
| Given Name | Robert Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | 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 Robert Davidson across 3 US Census years (1910, 1920 and 1930) in Bibb, Alabama, using XGBoost record linkage. Identified parents: father Robert Davidson (~0.92 confidence) and father Robert Davidson (~0.92 confidence) and mother Maggie Davidson (~0.92 confidence) and mother Margaret Davidson (~0.92 confidence) and father Robert Davidson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Davidson
b. ~1860
Source father
● Household
· direct · ~0.92
Father
Robert Davidson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Maggie Davidson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Margaret Davidson
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Robert Davidson
b. ~1871
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Davidson
Son · 1930 · age 27 · b. ~1903 · Alabama
★ 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 — Bibb, Alabama
Open full size
1930 US Federal Census — Bibb, Alabama
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2usce:1005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John D. Lab | 22 | Head | Miner | Yugoslavia |
| 2 | Margaret Lab | 19 | Wife | — | Alabama |
| 3 | John A. Lab | 0 | Son | — | Alabama |
| 4 | Robert Davidson | 70 | Head | — | England |
| 5 | Margaret Davidson | 59 | Wife | — | England |
| 6 | Robert Jr. Davidson THIS PERSON | 27 | Son | Miner | Alabama |
| 7 | Henry C. Haskins | 39 | Boarder | Miner | Alabama |
| 8 | Henry W. Price | 53 | Head | Carpenter | Alabama |
| 9 | Ida S. Price | 53 | Wife | — | Alabama |
| 10 | Ina D. Price | 21 | Daughter | Seamstress | Alabama |
| 11 | Jack C. Price | 11 | Son | Laborer | Alabama |
| 12 | Jessie M. Price | 10 | Daughter | — | Alabama |
| 13 | Mamie Price | 47 | Head | — | Alabama |
| 14 | James Price | 23 | Son | Laborer | Alabama |
| 15 | John Price | 56 | Head | Farmer | Alabama |
| 16 | James Allen | 70 | Head | Miner | Alabama |
| 17 | Wife Allen | 60 | Wife | — | Alabama |
| 18 | Ivy Lee Caddis | 41 | Daughter | Laundress | Alabama |
| 19 | Beulah Caddis | 21 | Gr Daughter | — | Alabama |
| 20 | Louise Caddis | 19 | Gr Daughter | — | Alabama |
| 21 | James Jr. Allen | 39 | Son | Miner | Alabama |
| 22 | Edward J. Allen | 13 | Gr Son | — | Alabama |
| 23 | Eula Mae Allen | 4 | Gr Daugh | — | Alabama |
| 24 | Tom H. Price | 42 | Head | Miner | Alabama |
| 25 | Pearl G. Price | 37 | Wife | — | Alabama |
| 26 | Hector G. West | 32 | Head | Miner | Alabama |
| 27 | Endna M. West | 28 | Wife | — | Alabama |
| 28 | Eugene B. West | 8 | Son | — | Alabama |
| 29 | Rufus H. West | 5 | Son | — | Alabama |
| 30 | Sarah S. West | 3 | Daughter | — | Alabama |
| 31 | Mary E. West | 0 | Daughter | — | Alabama |
| 32 | John B. Walker | 56 | Head | — | Alabama |
| 33 | Malvina P. Walker | 74 | Mother | — | Alabama |
| 34 | Cordelia N. Walker | 54 | Sister | — | Alabama |
| 35 | Arthur B. West | 48 | Head | Miner | Alabama |
| 36 | Della West | 50 | Wife | — | Alabama |
| 37 | P. B. West | 21 | Son | Laborer | Alabama |
| 38 | R. V. West | 20 | Son | Miner | Alabama |
| 39 | Irene West | 17 | Daughter | — | Alabama |
| 40 | Virginia West | 12 | Daughter | — | Alabama |
| 41 | George W. Nust | 27 | Head | Teamster | Alabama |
| 42 | Gladys L. Nust | 22 | Wife | — | Alabama |
| 43 | George W. Nust | 3 | Son | — | Alabama |
| 44 | John T. Miller | 62 | Head | Miner | Alabama |
| 45 | Adella Miller | 44 | Wife | — | Alabama |
| 46 | John H. Miller | 15 | Son | — | Alabama |
| 47 | Marguerite M. Miller | 11 | Daughter | — | Alabama |
| 48 | William R. Miller | 6 | Son | — | Alabama |
| 49 | Edward A. West | 52 | Head | Miner | Alabama |
| 50 | Gerta P. West | 46 | Wife | — | Alabama |
Pedigree Summary
Robert
Gen 1 · 5 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)