MC
Mary Connolly — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Garfield, Colorado
Our Model Tree links this Mary Connolly across the 1920 and 1930 US Censuses in Garfield, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 8-person household.
Age 16
b. ~1914
Female
Daughter
Born: Colorado
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Garfield, Colorado |
| Surname | Connolly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 10 Outside New Castle Town Pt Of |
| Est. Birth Year | ~1914 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Connolly | Son | — | 13 | ~1917 |
| Charles Connolly | Son | — | 17 | ~1913 |
| Beatrice Connolly | Head | — | 40 | ~1890 |
| Mary Connolly | Daughter | — | 16 | ~1914 |
| Emmett Connolly | Son | — | 22 | ~1908 |
| Dorothy Connolly | Daughter | — | 6 | ~1924 |
| Walter Connolly | Son | — | 8 | ~1922 |
| Howard Connolly | Son | — | 9 | ~1921 |
Census Appearances
Daughter, age 5
Garfield, Colorado · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Garfield, Colorado
Daughter, age 16
Garfield, Colorado · implied b. ~1914 — 8 household members
| Surname | Connolly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Connolly across 2 US Census years (1920 and 1930) in Garfield, Colorado, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Connolly
Daughter · 1930 · age 16 · b. ~1914 · Colorado
★ You are viewing this record
Sibling
Walter Connolly
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Connolly
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmett Connolly
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Connolly
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Connolly
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Connolly
Sibling · 1930 · age 13
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 — Garfield, Colorado
Open full size
1930 US Federal Census — Garfield, Colorado
Page Contents
50 people indexed on this census page (ia:1930:15thcensus242unit:0674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Denton | 4 | Son | — | Iowa |
| 2 | Ounphrey Oroll | 24 | Boarder | Sheep Herder | New Mexico |
| 3 | Nick Mammipella | 45 | Head | Farmer | Italy |
| 4 | Jennie Mammipella | 36 | Wife | — | Colorado |
| 5 | Tony Mammipella | 17 | Son | — | Colorado |
| 6 | Carmel Mammipella | 15 | Son | — | Colorado |
| 7 | Mary Mammipella | 14 | Daughter | — | Colorado |
| 8 | Peter Contratt | 28 | Head | Farmer | Utah |
| 9 | John Piffer | 43 | Head | Farmer | Italy |
| 10 | Julia Piffer | 40 | Wife | — | Italy |
| 11 | Joe Piffer | 12 | Son | — | Colorado |
| 12 | Charles Piffer | 8 | Son | — | Colorado |
| 13 | Clem Pallozze | 53 | Head | Farmer | Italy |
| 14 | Augusta Pallozze | 42 | Wife | — | Italy |
| 15 | Olerremi Pallozze | 23 | Son | Teacher | Colorado |
| 16 | Ida Pallozze | 18 | Daughter | — | Colorado |
| 17 | Luigi Tommasello | 42 | Head | Farmer | Italy |
| 18 | Angelo Tommasello | 37 | Brother | Farmer | Italy |
| 19 | Giovanni Tommasello | 30 | Brother | Farmer | Italy |
| 20 | William Dodd-Scott | 43 | Head | Farmer | Scotland |
| 21 | Esther Dodd-Scott | 44 | Wife | — | England |
| 22 | Ruth Margaret Dodd-Scott | 12 | Daughter | — | Utah |
| 23 | William M. Dodd-Scott | 3 | Son | — | Colorado |
| 24 | Mary Simonson | 57 | Head | — | Denmark |
| 25 | Fred E. Simonson | 30 | Son | Farmer | Colorado |
| 26 | Louis Simonson | 26 | Son | Farmer | Colorado |
| 27 | Nora Simonson | 18 | Daughter | — | Colorado |
| 28 | Howard Morgan | 13 | Boarder | — | Colorado |
| 29 | Fred Simonson | 21 | Son | Farmer | Colorado |
| 30 | Jesse E. Trout | 41 | Head | Farmer | Nebraska |
| 31 | Helen Trout | 30 | Wife | — | Colorado |
| 32 | Jesse Trout | 15 | Son | — | Colorado |
| 33 | Helen Trout | 13 | Daughter | — | Colorado |
| 34 | Dean Trout | 10 | Son | — | Colorado |
| 35 | Kathleen Trout | 7 | Daughter | — | Colorado |
| 36 | Kenneth Trout | 2 | Son | Laborer | Colorado |
| 37 | J. H. Kivine | 59 | Head | Farmer | Missouri |
| 38 | Esther Kivine | 61 | Wife | — | Missouri |
| 39 | George Kivine | 28 | Son | Farmer | Colorado |
| 40 | John Kivine | 25 | Son | Farmer | Colorado |
| 41 | Beatrice Connolly | 40 | Head | Farmer | Colorado |
| 42 | Emmett Connolly | 22 | Son | Farmer | Colorado |
| 43 | Charles Connolly | 17 | Son | Farmer | Colorado |
| 44 | George Connolly | 13 | Son | — | Colorado |
| 45 | Mary Connolly THIS PERSON | 16 | Daughter | — | Colorado |
| 46 | Howard Connolly | 9 | Son | — | Colorado |
| 47 | Walter Connolly | 8 | Son | — | Colorado |
| 48 | Dorothy Connolly | 6 | Daughter | — | Colorado |
| 49 | Malcolm Jolly | 34 | Head | Farmer | Utah |
| 50 | Wayne Jolly | 30 | Wife | — | Colorado |
Related Census Records
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)