MC
Mary Coughlin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Merrimack, New Hampshire
Our Model Tree links this Mary Coughlin across the 1910, 1920 and 1930 US Censuses in Merrimack, New Hampshire (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1894), then head of a 6-person household.
Age 36
b. ~1894
Female
Daughter
Born: New Hampshire
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Merrimack, New Hampshire |
| Surname | Coughlin |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | School Teacher |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Teacher |
| Township / Ward | Concord City |
| Est. Birth Year | ~1894 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Grace Coughlin | Daughter | — | 28 | ~1902 |
| John Coughlin | Head | — | 64 | ~1866 |
| William Coughlin | Son | — | 23 | ~1907 |
| Catherine Coughlin | Daughter | — | 33 | ~1897 |
| Mary Coughlin | Daughter | — | 36 | ~1894 |
| Mary Coughlin | Spouse | — | 65 | ~1865 |
Census Appearances
1910
Merrimack, New …
Daughter, age 15
Merrimack, New Hampshire · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| 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
Merrimack, New …
Daughter, age 26
Merrimack, New Hampshire · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | Mary J |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Ireland |
| Occupation | school teacher |
| Industry | public school |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Merrimack, New …
Daughter, age 36
Merrimack, New Hampshire · implied b. ~1894 — 6 household members
| Surname | Coughlin |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Irish Free State |
| Occupation | School Teacher |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | 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 Coughlin across 3 US Census years (1910, 1920 and 1930) in Merrimack, New Hampshire, using XGBoost record linkage. Identified parents: father John Coughlin (~0.92 confidence) and father John Coughlin (~0.92 confidence) and father John Coughlin (~0.92 confidence) and mother Mary Coughlin (~0.92 confidence) and mother Mary Coughlin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Coughlin
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Coughlin
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Coughlin
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Mary Coughlin
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Mary Coughlin
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Coughlin
Daughter · 1930 · age 36 · b. ~1894 · New Hampshire
★ You are viewing this record
Sibling
William Coughlin
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Coughlin
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Coughlin
Sibling · 1930 · age 33
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 — Merrimack, New Hampshire
Open full size
1930 US Federal Census — Merrimack, New Hampshire
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1304unit:1048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elizabeth Thompson | 1 | Daughter | None | New Hampshire |
| 52 | William Silvia | 66 | Head | Stone Cutter | Massachusetts |
| 53 | Mary Silvia | 67 | Wife | None | Irish Free State |
| 54 | Elizabeth M. Silvia | 41 | Daughter | Nurse | New Hampshire |
| 55 | Lillian A. Silvia | 39 | Daughter | Tailoress | New Hampshire |
| 56 | William J. Silvia | 37 | Son | Brakeman | New Hampshire |
| 57 | Timothy P. Shugrue | 55 | Head | None | Irish Free State |
| 58 | Mary J. Shugrue | 56 | Wife | None | Irish Free State |
| 59 | Joseph C. Shugrue | 35 | Son | Salesman | New Hampshire |
| 60 | Ruth A. Shugrue | 32 | Daughter | Clerk | New Hampshire |
| 61 | John P. Coughlin | 64 | Head | Stone Cutter | New Hampshire |
| 62 | Mary J. Coughlin | 65 | Wife | None | Irish Free State |
| 63 | Mary A. Coughlin THIS PERSON | 36 | Daughter | School Teacher | New Hampshire |
| 64 | Catherine E. Coughlin | 33 | Daughter | Stenographer | New Hampshire |
| 65 | Grace R. Coughlin | 28 | Daughter | None | New Hampshire |
| 66 | William E. Coughlin | 23 | Son | Chemist | New Hampshire |
| 67 | Timothy J. Sullivan | 48 | Head | Quarryman | Irish Free State |
| 68 | Nora J. Sullivan | 46 | Wife | None | Irish Free State |
| 69 | Margaret M. Sullivan | 20 | Daughter | Operator | Irish Free State |
| 70 | Herbert J. Sullivan | 15 | Son | None | New Hampshire |
| 71 | Michael J. Sullivan | 14 | Son | None | New Hampshire |
| 72 | John J. Sullivan | 13 | Son | None | New Hampshire |
| 73 | Timothy P. Sullivan | 11 | Son | None | New Hampshire |
| 74 | Clara H. Sullivan | 9 | Daughter | None | New Hampshire |
| 75 | Mary R. Sullivan | 7 | Daughter | None | New Hampshire |
| 76 | Edward J. Sullivan | 5 | Son | None | New Hampshire |
| 77 | William S. Dundane | 55 | Head | Produce Dealer | Massachusetts |
| 78 | Sarah S. Dundane | 49 | Wife | None | New Hampshire |
| 79 | Wendelin Pauline Dundane | 23 | Daughter | Stenographer | New Hampshire |
| 80 | George H. Dundane | 26 | Son-in-law | Pressman | New Hampshire |
| 81 | Alexander S. Lyon | 62 | Head | Stone Cutter | Scotland |
| 82 | Myra P. Lyon | 42 | Wife | None | New Hampshire |
| 83 | Myron Lyon | 10 | Son | None | New Hampshire |
| 84 | Patrick B. Gallagher | 63 | Head | Gardener | Irish Free State |
| 85 | Mary A. Gallagher | 62 | Wife | None | Irish Free State |
| 86 | John B. Comi | 50 | Head | Stone Cutter | Italy |
| 87 | Anna M. Comi | 41 | Wife | None | Italy |
| 88 | Rose C. Comi | 19 | Daughter | Tailoress | New Hampshire |
| 89 | Samuel J. Kennedy | 57 | Head | Silversmith | Massachusetts |
| 90 | Elizabeth Kennedy | 55 | Wife | None | Ireland North |
| 91 | Mary E. Kennedy | 11 | Niece | None | Ireland North |
| 92 | Edward G. Rogers | 59 | Head | Leather Worker | England |
| 93 | Lena K. Rogers | 53 | Wife | None | New York |
| 94 | Leslie S. Rogers | 26 | Son | Mechanic | New Hampshire |
| 95 | Doris H. Rogers | 8 | Grand-Daughter | None | New Hampshire |
| 96 | Edward F. Bouley | 62 | Head | Leather Worker | Canada French |
| 97 | Dora M. Bouley | 56 | Wife | None | Canada French |
| 98 | Edward J. Bouley | 16 | Son | None | New Hampshire |
| 99 | Corinne A. Bouley | 13 | Daughter | None | New Hampshire |
| 100 | Nora D. Tetreau | 53 | Sister-in-law | None | Canada French |
Related Census Records
Pedigree Summary
Mary + 3 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)