Probably Khaim-Iakov Grabovski, son of Meilikh Grabovski and Musa Damskier born Oct 1, 1890, (Tishri 29) Jonava, Kaunas, Kaunas, Lithuania. Grandfathers are Itsik Grabovski and Vulf-Nison Damsker. (FHL 2331186/5 as transcribed on
Jewishgen.org.)
1900 & 1910: living in Waterbury, CT with his parents
[36], [52]1920: Jacques H. Green, physician, listed with his parents in Waterbury, CT but someone by the same name, same age, also a physician, is listed as living in Jersey City, NJ.
[30] 1930: Jacques Green lived on Rockingham St., Waterbury, CT
[782]1940: J H Green, doctor, living at 192 Euclid Ave., Waterbury, CT
[940] (Note that his birthplace is given as New York while other sources say Russia/Lithuania.)