MK
Mary Kirby — 1930 US Census Record
Model Tree available1930 United States Federal Census · Caldwell, North Carolina
Our Model Tree links this Mary Kirby across the 1910, 1920 and 1930 US Censuses in Caldwell, North Carolina (XGBoost, ~Confirmed), with identified parents German & Hiram — first a daughter (b.~1905), then head of a 3-person household.
Age 25
b. ~1905
Female
Daughter
Born: North Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Caldwell, North Carolina |
| Surname | Kirby |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Township / Ward | Lovelady Township |
| Est. Birth Year | ~1905 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| M Kirby | Spouse | — | 52 | ~1878 |
| Herman Kirby | Head | — | 59 | ~1871 |
| Mary Kirby | Daughter | — | 25 | ~1905 |
Census Appearances
1910
Caldwell, North …
Daughter, age 5
Caldwell, North Carolina · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | Maryanna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Write | English |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1920
Caldwell, North …
Daughter, age 15
Caldwell, North Carolina · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Caldwell, North …
Daughter, age 25
Caldwell, North Carolina · implied b. ~1905 — 3 household members
| Surname | Kirby |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Mary Kirby across 3 US Census years (1910, 1920 and 1930) in Caldwell, North Carolina, using XGBoost record linkage. Identified parents: father German Kirby (~0.92 confidence) and father Hiram Kirby (~0.92 confidence) and mother Cora Kirby (~0.92 confidence) and mother M Kirby (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
German Kirby
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Hiram Kirby
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Cora Kirby
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
M Kirby
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Kirby
Daughter · 1930 · age 25 · b. ~1905 · North Carolina
★ 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 — Caldwell, North Carolina
Open full size
1930 US Federal Census — Caldwell, North Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1678unit:0922)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladis James | 0 | Grand Daughter | — | North Carolina |
| 2 | Herman L. Kirby | 59 | Head | Farmer | North Carolina |
| 3 | M. Carrie Kirby | 52 | Wife | — | North Carolina |
| 4 | Mary G. Kirby THIS PERSON | 25 | Daughter | — | North Carolina |
| 5 | H. Nelson Kirby | 31 | Head | Carpenter | North Carolina |
| 6 | Sylvia G. Kirby | 28 | Wife | — | North Carolina |
| 7 | Allan D. Kirby | 9 | Son | — | North Carolina |
| 8 | Cora E. Kirby | 6 | Daughter | — | North Carolina |
| 9 | S. H. Stafford | 39 | Head | Retail Salesman | North Carolina |
| 10 | Hattie H. Stafford | 35 | Wife | — | North Carolina |
| 11 | Charles W. Stafford | 15 | Son | — | North Carolina |
| 12 | D. Loy Stafford | 12 | Daughter | — | North Carolina |
| 13 | Winifred R. Stafford | 10 | Son | — | North Carolina |
| 14 | T. Loyed Stafford | 8 | Daughter | — | North Carolina |
| 15 | M. Frances Stafford | 3 | Daughter | — | North Carolina |
| 16 | B. Ernest Isaac | 49 | Head | Farmer | North Carolina |
| 17 | Lydia M. Isaac | 39 | Wife | — | North Carolina |
| 18 | Hazel M. Isaac | 16 | Daughter | — | North Carolina |
| 19 | Mary M. Isaac | 13 | Daughter | — | North Carolina |
| 20 | Mildred L. Isaac | 10 | Daughter | — | North Carolina |
| 21 | Ernest J. Isaac | 8 | Son | — | North Carolina |
| 22 | Fred Isaac | 39 | Brother | Salesman | North Carolina |
| 23 | Samuel Isaac | 82 | Father | — | North Carolina |
| 24 | Elmore G. Deal | 65 | Head | Farmer | North Carolina |
| 25 | Emma Deal | 66 | Wife | — | North Carolina |
| 26 | Esther A. Kirby | 25 | Daughter | — | North Carolina |
| 27 | Horace S. Kirby | 26 | Son-in-law | Labor | North Carolina |
| 28 | Homer P. Kirby | 5 | Grand Son | — | North Carolina |
| 29 | E. Bernice Kirby | 3 | Grand Daughter | — | North Carolina |
| 30 | E. Lore Kirby | 1 | Grand Daughter | — | North Carolina |
| 31 | John W. Harrison | 38 | Head | Farmer | North Carolina |
| 32 | Cora Harrison | 31 | Wife | — | North Carolina |
| 33 | Hayden G. Harrison | 13 | Son | — | North Carolina |
| 34 | R. D. Harrison | 12 | Son | — | North Carolina |
| 35 | Elbert H. Harrison | 10 | Son | — | North Carolina |
| 36 | Joyce G. Harrison | 8 | Daughter | — | North Carolina |
| 37 | Thurman W. Harrison | 7 | Son | — | North Carolina |
| 38 | Delbert B. Harrison | 5 | Son | — | North Carolina |
| 39 | Aretha V. Harrison | 4 | Son | — | North Carolina |
| 40 | Charlie W. Bowman | 44 | Head | Farmer | North Carolina |
| 41 | Etta S. Bowman | 41 | Wife | — | North Carolina |
| 42 | Fred G. Bowman | 22 | Son | Salesman | North Carolina |
| 43 | Clyde H. Bowman | 15 | Son | — | North Carolina |
| 44 | Charles W. Jr. Bowman | 13 | Son | — | North Carolina |
| 45 | Philo S. Deal | 17 | Uncle | — | North Carolina |
| 46 | Alonzo Starnes | 72 | Head | Farmer | North Carolina |
| 47 | M. Ida Starnes | 70 | Wife | — | North Carolina |
| 48 | Rosa L. Starnes | 36 | Daughter | — | North Carolina |
| 49 | Ethel B. Bowman | 42 | Daughter | — | North Carolina |
| 50 | Millard L. Bowman | 17 | Son | Labor | North Carolina |
Pedigree Summary
Mary
Gen 1 · 4 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)