In 1900, Andrew was living in Hazle Township, Luzerne County, Pennsylvania. He was employed as a blacksmith. He is with his wife, Hattie, who was born in Pennsylvania, and two children: Florence (3) born July 1896 and Hellen (1 ) born March 1899. Florence and Hellen were born in New York State.
By 1910 Andrew and Harriet were living in Chicago, Illinois with their children Florence (12), Helen (11), Raymond (9), John (6), Emily (4) and Robert (9 months).
The obituary of Harriet Pettit Oliver was found in the Chicago Tribune:
Obituary of Mrs. Andrew Oliver (Harriet Pettit Oliver)
1954-10-16 Chicago Tribune (IL)
OLIVER
Edition: Chicago Tribune
Harriet Oliver, late of 10111 Oglesby avenue, wife of the late Andrew, mother of Mrs. Richard [Florence] Gutrich, Mrs. William [Helen] Carroll, Mrs. Harry [Emily] Stokes, Ray, John, Robert, and William Oliver, 11 grandchildren, nine great-grandchildren, sister of Mrs. George Beers of Pennsylvania. Interment Fairmont.
Harriet Pettit Oliver was from the Mauch Chunk area of Pennsylvania. The Olivers lived in Highland, Foster Township, at the southern edge of Luzerne County.
Her parents obituaries follow:
Obituary of Mother of Harriet Pettit Oliver (Mrs. Andrew Oliver)
Hazleton Standard-Sentinel of Tuesday, February 18, 1930
Mrs. Sarah J. Pettit, wife of John Pettit, aged 73 years, died yesterday at the home of her daughter, Mrs. George Beers, Mauch Chunk. She is survived by her husband and two daughters, Mrs. Andrew Welliver (Oliver), of Chicago, and Mrs. George Beers, at Mauch Chunk; also two sisters, Mrs. Harry Jones and Mrs. Carrie Jones, both of Wilkes-Barre. Burial will be in the Freeland cemetery.
Obituary of Father of Harriet Pettit Oliver (Mrs. Andrew Oliver)
Hazleton PA Newspaper, Dec. 8, 1936
John Pettit, son of the late Thomas and Rachel Mock Pettit, aged 84 years, for many years a resident of Jeddo and Freeland, stable boss for the old G.B. Markle Coal Co. and for the J.S. Wentz Coal Co., at Hazle Park, died Saturday at 4 pm at the home of his daughter, Mrs. George Beers. He was born March 17, 1852 at Shickshinny but came to this region with his parents when a small boy. Mr. Pettit was very active in patriotic and fraternal organizations and in the Methodist church. He located at Mauch Chunk about eight years ago. He is survived by two daughters, Mrs. Andrew Oliver, of Chicago; and Mrs. George Beers of Mauch Chunk. His wife, formerly Miss Jermima Cowan, died a few years ago. Brothers and sisters who survive are: Samuel Pettit, Mrs. Clara Carron and Thomas Pettit of Hazleton; George Pettit of Easton; and Mrs. Marie Smith of Nesquehoning. A number of grandchildren also survive. Interment will be made in the Freeland cemetery.
.
Harriet Pettit Oliver
1963-12-23
Chicago Tribune (IL)
Carroll
Helen Oliver Carroll, Dec. 21, wife of William J.; mother of Helen [Betty] Wellman, Mary Rowan, June Nosich, and Wilfred J.; Florence Putnam, Emily Stokes, Robert, William, and the late Ray and John Oliver; Interment St. Mary's
1962-06-13
Chicago Tribune (IL)
Raymond A. Oliver, June 11, late of 14521 Calhoun avenue, Burnham, Ill. husband of Helen; father of Mrs. De-Wayne [Billie] Reeves and Richard; brother of Florence Putnam, Helen Carroll, Emilie Stokes, John, Robert, and William. Interment Mount Hope.