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Bertha Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Bertha Martin across the 1900, 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Emma & Andrew — first a daughter (b.~1884), then head of a 4-person household.
Age 46
b. ~1884
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Martin |
| Given Name | Bertha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1884 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Martin | Son | — | 44 | ~1886 |
| Charlotte Martin | Daughter | — | 41 | ~1889 |
| Bertha Martin | Daughter | — | 46 | ~1884 |
| Annie Martin | Head | — | 71 | ~1859 |
Census Appearances
1900
Allegheny, Pennsylvania
Daughter, age 17
Allegheny, Pennsylvania · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Sept |
| Birth Year | 1883 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Daughter, age 26
Allegheny, Pennsylvania · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | School |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 36
Allegheny, Pennsylvania · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Pub School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 46
Allegheny, Pennsylvania · implied b. ~1884 — 4 household members
| Surname | Martin |
| Given Name | Bertha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Bertha Martin across 4 US Census years (1900, 1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: mother Emma Martin (~0.92 confidence) and father Andrew Martin (~0.92 confidence) and mother Annie Martin (~0.92 confidence) and mother Annie Martin (~0.92 confidence) and mother Annie Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Martin
b. ~1856
Source mother
● Household
· direct · ~0.92
Father
Andrew Martin
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Annie Martin
b. ~1858
Source mother
● Household
· direct · ~0.92
Mother
Annie Martin
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Annie Martin
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Martin
Daughter · 1930 · age 46 · b. ~1884 · Pennsylvania
★ You are viewing this record
Sibling
Charlotte Martin
Sibling · 1930 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Martin
Sibling · 1930 · age 44
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
33 people indexed on this census page (ia:1930:fifteenthcensus00reel1982:0134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy L. | 12 | Daughter | — | Pennsylvania |
| 2 | Irvin L. | 10 | Son | — | Pennsylvania |
| 3 | Edwin Long | 40 | Head | — | Ohio |
| 4 | Belle Long | 47 | Daughter | — | Ohio |
| 5 | John Adplanallp | 31 | Head | Teacher | Oregon |
| 6 | Josephine Adplanallp | 26 | Wife | Electrician | Pennsylvania |
| 7 | Jean Adplanallp | 15 | Daughter | — | Pennsylvania |
| 8 | John Adplanallp | 11 | Son | — | Pennsylvania |
| 9 | Dolores Adplanallp | 8 | Daughter | — | Pennsylvania |
| 10 | Thomas H. Dunn | 54 | Head | Druggist | Pennsylvania |
| 11 | Bertha E. Dunn | 52 | Wife | — | New York |
| 12 | Eleanor Dunn | 17 | Daughter | — | Pennsylvania |
| 13 | Jane Dunn | 14 | Daughter | — | Pennsylvania |
| 14 | Elmer Meeder | 42 | Head | Mechanic | Pennsylvania |
| 15 | Mary E. Meeder | 39 | Wife | — | Pennsylvania |
| 16 | Homer E. Meeder | 16 | Son | — | Pennsylvania |
| 17 | William Vaughan | 43 | Head | Fireman | Ohio |
| 18 | Mary T. Vaughan | 44 | Wife | — | Pennsylvania |
| 19 | William J. Vaughan | 16 | Son | — | Pennsylvania |
| 20 | Philip J. Baer | 53 | Head | Merchant Tailor | Germany |
| 21 | Rebecca M. Baer | 55 | Wife | — | Pennsylvania |
| 22 | Earl N. Baer | 22 | Son | Carpenter | Pennsylvania |
| 23 | James Y. Dickson | 61 | Head | Estimator | Scotland |
| 24 | Florence Dickson | 46 | Wife | — | Pennsylvania |
| 25 | Thomas E. Blendinger | 21 | Step Daughter | Stenographer | Pennsylvania |
| 26 | Alice M. Blendinger | 18 | Step Daughter | — | Pennsylvania |
| 27 | Annie F. Mcquoid | 68 | Head | — | Pennsylvania |
| 28 | Marie F. Mcquoid | 40 | Daughter | — | Pennsylvania |
| 29 | Margaret B. Martin | 69 | Head | — | Pennsylvania |
| 30 | Annie B. Martin | 71 | Head | — | Pennsylvania |
| 31 | Bertha E. Martin THIS PERSON | 46 | Daughter | Teacher | Pennsylvania |
| 32 | Gilbert B. Martin | 44 | Son | — | Pennsylvania |
| 33 | Charlotte Martin | 41 | Daughter | Stenographer | Pennsylvania |
Pedigree Summary
Bertha + 2 siblings
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)