Several sources show this (incorrect) spelling of her maiden surname.
Notes for John Louis McAbee from A Commemorative Biographical Record of the Counties of Brown, Kewaunee and Door, Wisconsin, Containing Biographical Sketches of Prominent and Representative Citizens, and Many of the Early Settled Families .Chicago: J.H. Beers & Co., 1895:
John L. McAbee,
Immediately after receiving his discharge [from the Civil War] our subject [John L. McAbee] returned to Brown County, and on November 14, 1865, he was united in marriage with Miss Abigail Garrity, who was born October 7, 1848 in Milwaukee, Wisconsin. She was the daughter of George and Abigail (Childs) Garrity, natives, respectively, of Ireland and New York State, who came in an early day to Milwaukee, and subsequently to Kaukauna, Outagamie County, where they were residing at the time of Mrs. McAbee’s marriage. Mr. Garrity was at one time an extensive landowner in Outagamie County, where he ranked among the leading men of his section. He died in Kaukauna, and his widow now [1895] makes her home in Wausau, Wisconsin.
The Death Records of Wrightstown state: "Abegail Maccabee died Feb 12, 1897 at age 48; born about 1849 (wife of Louis Maccabee)." Her age at death was 48 years, 4 months, 5 days.