DM
Dorothy Martin — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Dorothy Martin across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents George & Alice — first a daughter (b.~1898), then head of a 9-person household.
Age 22
b. ~1898
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | clerk |
| Industry | Steamship Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Woburn City |
| Est. Birth Year | ~1898 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Sadie Martin | Daughter | — | 24 | ~1896 |
| Margaret Martin | Daughter | — | 34 | ~1886 |
| Dorothy Martin | Daughter | — | 22 | ~1898 |
| Gertrude Martin | Daughter | — | 18 | ~1902 |
| Helen Martin | Daughter | — | 16 | ~1904 |
| John Martin | Head | — | 59 | ~1861 |
| Hannah Martin | Son | — | 32 | ~1888 |
| John Martin | Son | — | 28 | ~1892 |
| Mary Martin | Spouse | — | 58 | ~1862 |
Census Appearances
1900
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Apr |
| Birth Year | 1899 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Daughter, age 11
Middlesex, Massachusetts · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 22
Middlesex, Massachusetts · implied b. ~1898 — 9 household members
| Surname | Martin |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | clerk |
| Industry | Steamship Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Dorothy Martin across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father George Martin (~0.92 confidence) and mother Alice Martin (~0.92 confidence) and father William Martin (~0.92 confidence) and mother Ellen Martin (~0.92 confidence) and father John Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Martin
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Alice Martin
b. ~1857
Source mother
● Household
· direct · ~0.92
Father
William Martin
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Ellen Martin
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
John Martin
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Martin
Daughter · 1920 · age 22 · b. ~1898 · Massachusetts
★ You are viewing this record
Sibling
Sadie Martin
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Martin
Sibling · 1920 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Martin
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Martin
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hannah Martin
Sibling · 1920 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Martin
Sibling · 1920 · age 34
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
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu720unit:0905)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Katie Bendi | 36 | Head | — | Italy |
| 52 | Gloria Bendi | 13 | son | Laborer | Pennsylvania |
| 53 | Frank Bendi | 12 | son | Laborer | Pennsylvania |
| 54 | Emma Bendi | 9 | daughter | — | Pennsylvania |
| 55 | Mary Bendi | 7 | daughter | — | Pennsylvania |
| 56 | Anthony Bendi | 4 | son | — | Massachusetts |
| 57 | Andrew Mclaughlin | 57 | Head | Retail Merchant | Ireland |
| 58 | Annie Mclaughlin | 56 | wife | — | Ireland |
| 59 | James J. Mclaughlin | 25 | son | Salesman | Massachusetts |
| 60 | Sarah E. Mclaughlin | 23 | daughter | Operator | Massachusetts |
| 61 | Mary E. Freeman | 21 | Boarder | Stenographer | Massachusetts |
| 62 | Mary E. Gallagher | 52 | Head | Housekeeping | Ireland |
| 63 | Stephen Gallagher | 25 | son | Worker | Massachusetts |
| 64 | Marion L. Gallagher | 17 | daughter | Clerk | Massachusetts |
| 65 | James Mcelhiney | 51 | Head | Machinist | Ireland |
| 66 | Hannah Mcelhiney | 52 | wife | — | Massachusetts |
| 67 | Mary Mcelhiney | 22 | daughter | — | Massachusetts |
| 68 | Mary Morris | 54 | sister-in-law | — | Massachusetts |
| 69 | Catherine Clary | 50 | Head | — | England |
| 70 | Margaret Clary | 21 | daughter | — | England |
| 71 | Fred Clary | 19 | son | Laborer | England |
| 72 | Ernest Clary | 17 | son | Clerk | England |
| 73 | Reginald Clary | 12 | son | — | England |
| 74 | John Martin | 59 | Head | — | Massachusetts |
| 75 | Mary E. Martin | 58 | wife | — | Massachusetts |
| 76 | Margaret A. Martin | 34 | daughter | Stenographer | Massachusetts |
| 77 | Hannah Martin | 32 | son | Clerk | Massachusetts |
| 78 | John Martin | 28 | son | Stenographer | Massachusetts |
| 79 | Sadie Martin | 24 | daughter | Clerk | Massachusetts |
| 80 | Dorothy Martin THIS PERSON | 22 | daughter | Clerk | Massachusetts |
| 81 | Gertrude Martin | 18 | daughter | — | Massachusetts |
| 82 | Helen Martin | 16 | daughter | — | Massachusetts |
| 83 | Ellen F. Dorgan | 43 | Head | Servant | Ireland |
| 84 | Nellie Dorgan | 17 | daughter | — | Massachusetts |
| 85 | Mary E. Dorgan | 15 | daughter | — | Massachusetts |
| 86 | Margaret Dorgan | 13 | daughter | — | Massachusetts |
| 87 | Gertrude M. Dorgan | 11 | daughter | — | Massachusetts |
| 88 | Thomas Mccann | 38 | Head | Motorman | Ireland |
| 89 | Elizabeth Mccann | 35 | wife | — | Ireland |
| 90 | Mary Mccann | 10 | daughter | — | Massachusetts |
| 91 | Margaret Mccann | 8 | daughter | — | Massachusetts |
| 92 | Alice Mccann | 5 | daughter | — | Massachusetts |
| 93 | Robert Sweeney | 25 | Head | Laborer | Massachusetts |
| 94 | Lottie Sweeney | 22 | wife | — | Michigan |
| 95 | Thomas Mcdonough | 50 | Head | Laborer | Ireland |
| 96 | Annie Mcdonough | 48 | wife | — | Ireland |
| 97 | Edward F. Mcdonough | 23 | son | Laborer | Massachusetts |
| 98 | Agnes E. Mcdonough | 21 | daughter | — | Massachusetts |
| 99 | Julia M. Mcdonough | 17 | daughter | — | Massachusetts |
| 100 | Thomas Mcdonough | 10 | son | — | Massachusetts |
Pedigree Summary
Dorothy + 6 siblings
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 1920 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)