March 1, 1907: Arrival in NYC from Liverpool on SS Teutonic:
Israel Cohen, 41 [1866], Jankel (Jacob)Cohen, 15 [1892],
female [Schind*?] Cohen, 14 (1893] Jennie?.
All born in St. Petersburg and going to Providence to Israel’s brother Abraham Cohen.

December 13, 1909: Arrival in NYC from Liverpool on SS Celtic:
Esther Cohen, 38 [1871]; Gitel (Lillian Gertrude?) 9, 11 [1898];
Josef, 10 [1899]; Etta, 8 [1901]; Eva, 4 [1905];
Sorie? (Sadie/Sophia/Sophie ?) 2 [1907].
Person in Old Country: brother Leiba Kunik in Staraja, Russia

April 25, 1910: Census 52 Charles Street Providence, RI:
Israel Cohen 44 [1866]; Esther Cohen, 38; Married 20 years
Jacob Cohen, 19; Jennie Cohen, 18; Lillian Cohen, 16;
Joseph Cohen, 14; Ethel Cohen, 10; Eva Cohen, 6; Sadie Cohen, 4.

Deaths Registered in Providence 1912: June 24: Sophia Cohen at RI Hospital/Res 52 Chares;
Parents Isreal & Esther; burial in Lincoln Park Cemetery.

June 24, 1912: The Evening Times, Pawtecket, RI: Providence Girl Dies of Burns in Hospital
Possible FindAGrave

1915 Rhode Island Census:
Isreal Cohen, 49 [1866]; Esther Cohen, 45 [1870]; Jacob, 24 [1891]; Lillian, 21 [1894];
Joseph, 19 [1896]; Etta, 16 [1899]; Eva, 10 [1905]; Loni (?), 4 [1911]

November 12, 1915/February 21, 1920:
Jacob Israel Cohen Name Change

December 28, 1915: Marriage of Lillian Gertrude Cohen and Benjamin Salk

June 5, 1917: WWI Draft Registration Card: Jacob Cohen (married!)
174 Lippett Street, Providence

August 19, 1919: Irving Seigal marriage to Etta Cohen

August 24, 1919: Providence Marriages: Jacob Cohen and Rebecca Berger

January 8, 1920: Providence: US Census
Benjamin Salk, 30; Lillian I Salk, 25; Albert N Salk, 3; Morton Salk, 0

January 17, 1920: US Census: 87 Lippitt St, Providence
Israel Cohen, 54; Esther Cohen, 47; Eva Cohen, 5; Leo Cohen, 8; Jack Shein, 24, Lodger.

March 11, 1922: Wallum Lake, RI: Death of Joseph Hyman Cohen.
FindAGrave

April 7, 1930: Providence, RI: US Census
Israel Cohen, 64; Esther Cohen, 57; Jacob I Cohen, 38; Leo Cohen, 18

January 7, 1933: The Providence Journal
Israel Cohen Dead

June 25, 1934: Providence Journal
Eva Cohen Married to Abraham Pollack

August 13, 1938: Providence: Death of Etta Cohen Seigal

June 4, 1942: Providence Journal: Birth Joel Israel Cohen

October 2, 1942: Providence Journal: Death of Esther Cohen

June 3, 1952: The Times Union: Alvin Grossman and Rose Salk Marry

January 17, 1958: The Providence Journal: Death of Eva Cohen Pollack

January 18, 1969: Evening Bulletin: Jacob I Cohen obit

August 18, 2009: Providence Journal: Leo Cohen obit
"Dear brother of 9 late brothers and sisters."
BTS: I only know of 7 others.