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Mary Maher — 1920 US Census Record
Model Tree available1920 United States Federal Census · Hillsborough, New Hampshire
Our Model Tree links this Mary Maher across the 1900, 1910 and 1920 US Censuses in Hillsborough, New Hampshire (XGBoost, ~Confirmed), with identified parents John & Patrick — first a daughter (b.~1898), then head of a 6-person household.
Age 22
b. ~1898
Female
Daughter
Born: New Hampshire
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Hillsborough, New Hampshire |
| Surname | Maher |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | City Of Manchester |
| 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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Maher | Son | — | 10 | ~1910 |
| Elizabeth Maher | Daughter | — | 18 | ~1902 |
| John Maher | Son | — | 19 | ~1901 |
| Patrick Maher | Head | — | 53 | ~1867 |
| Mary Maher | Daughter | — | 22 | ~1898 |
| Michael Maher | Son | — | 12 | ~1908 |
Census Appearances
1900
Hillsborough, New …
Daughter, age 2
Hillsborough, New Hampshire · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahar |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Birth Month | Oct |
| Birth Year | 1898 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Hillsborough, New …
Daughter, age 11
Hillsborough, New Hampshire · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Hillsborough, New …
Daughter, age 22
Hillsborough, New Hampshire · implied b. ~1898 — 6 household members
| Surname | Maher |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Maher across 3 US Census years (1900, 1910 and 1920) in Hillsborough, New Hampshire, using XGBoost record linkage. Identified parents: father John Mahar (~0.92 confidence) and father Patrick Maher (~0.92 confidence) and mother Annie Mahar (~0.92 confidence) and mother Annie Maher (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mahar
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Patrick Maher
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Annie Mahar
b. ~1867
Source mother
● Household
· direct · ~0.92
Mother
Annie Maher
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Maher
Daughter · 1920 · age 22 · b. ~1898 · New Hampshire
★ You are viewing this record
Sibling
Elizabeth Maher
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Maher
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Maher
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Maher
Sibling · 1920 · age 10
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 — Hillsborough, New Hampshire
Open full size
1920 US Federal Census — Hillsborough, New Hampshire
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1011unit:0234)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Van Lier | 42 | Brother | Cigar Maker | Belgium |
| 2 | Michael Van Lier | 16 | Nephew | Cloth Boy | Belgium |
| 3 | William H Quinn | 45 | Head | Gas Fitter | New Hampshire |
| 4 | Catherine C Quinn | 41 | Wife | — | New Hampshire |
| 5 | John F Quinn | 13 | Son | — | New Hampshire |
| 6 | Louis G Quinn | 12 | Son | — | New Hampshire |
| 7 | Arthur E Quinn | 12 | Daughter | — | New Hampshire |
| 8 | William H Quinn | 9 | Son | — | New Hampshire |
| 9 | Charles H Quinn | 0 | Son | — | New Hampshire |
| 10 | Catherine A Quinn | 35 | Sister | — | New Hampshire |
| 11 | Helen Gertrude Quinn | 33 | Sister | Machine Stipper | New Hampshire |
| 12 | Gustave Hampel | 47 | Head | Stamper | Saxony |
| 13 | Emma Hampel | 48 | Wife | Fixer On Wrapper | Saxony |
| 14 | Walter G Hampel | 13 | Son | Counter | New Hampshire |
| 15 | Gustave E Hampel | 10 | Son | — | New Hampshire |
| 16 | Herman Salter | 33 | Head | Gardner | Germany |
| 17 | Emma Salter | 25 | Wife | — | New Hampshire |
| 18 | Harry H Salter | 5 | Son | — | New Hampshire |
| 19 | George Wouter | 32 | Head | Cigar Maker | Belgium |
| 20 | Juliet Wouter | 32 | Wife | Tobacco Stripper | Belgium |
| 21 | Verspelt Louise Wouter | 34 | Sister-in-law | — | Belgium |
| 22 | Patrick O'Brien | 65 | Head | Machinist | Ireland |
| 23 | Johannah M O'Brien | 62 | Wife | — | New Hampshire |
| 24 | Daniel J O'Brien | 27 | Son | Salesman | New Hampshire |
| 25 | Joseph P O'Brien | 23 | Son | Salesman | New Hampshire |
| 26 | Frank C O'Brien | 21 | Daughter | — | New Hampshire |
| 27 | William H Cronin | 56 | Head | Second Hand Spinning Room | New Hampshire |
| 28 | Julia M Cronin | 52 | Sister | Spinner | New Hampshire |
| 29 | Cornelius Verhagen | 23 | Head | Mule Spinner | Belgium |
| 30 | Jennie Verhagen | 21 | Wife | Stitcher | Belgium |
| 31 | Louise M Verhagen | 2 | Daughter | — | Massachusetts |
| 32 | Stanislas Collette | 47 | Head | Napper | Canada |
| 33 | Yvonne R Collette | 25 | Daughter | Writer | New Hampshire |
| 34 | Yvonne Collette | 16 | Daughter | Spinner | New Hampshire |
| 35 | William Collette | 14 | Son | — | New Hampshire |
| 36 | Patrick Maher | 53 | Head | Laborer | Ireland |
| 37 | Mary E Maher THIS PERSON | 22 | Daughter | — | New Hampshire |
| 38 | John Maher | 19 | Son | Errand Boy | New Hampshire |
| 39 | Elizabeth R Maher | 18 | Daughter | — | New Hampshire |
| 40 | Michael Maher | 12 | Son | — | New Hampshire |
| 41 | Thomas Maher | 10 | Son | — | New Hampshire |
| 42 | William J Howard | 23 | Head | Machinist | Canada |
| 43 | Alice Howard | 21 | Wife | Servant | New Hampshire |
| 44 | Lawrence R Howard | 0 | Son | — | New Hampshire |
| 45 | Walter Perdue | 47 | Head | Clerk | North Carolina |
| 46 | Mary D Perdue | 43 | Wife | Drawing In | Scotland |
| 47 | Harry W Perdue | 7 | Son | — | New Hampshire |
| 48 | Walter J Perdue | 5 | Son | — | New Hampshire |
| 49 | Eleanor Perdue | 2 | Daughter | — | New Hampshire |
| 50 | Benjamin H Mcquary | 31 | Head | Bottom Finisher | New Hampshire |
Pedigree Summary
Mary + 4 siblings
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 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)