just more info in case it helps someone
1. JAMES7 PEARCE (JOHN6, JOHN5, WILLIAM4, RICHARD3, RICHARD2, RICHARD1 PERCY) was born August 18, 1717 in Monmouth Co., New Jersey, and died March 1778 in Elizabeth, Allegheny Co., Pennsylvania. He married SARAH HORN January 19, 1741/42 in New Jersey, daughter of JOHN VAN HORN and RACHEL WEBBER. She was born March 30, 1721 in New York, NY, and died November 20, 1806 in Columbia, Ohio.
Children of JAMES PEARCE and SARAH HORN are:
i. ANDREW8 PEARCE, b. December 15, 1743; d. 1801; m. ELIZABETH VAN METRE, Abt. 1770.
2. ii. MERCY PEARSE, b. January 29, 1745/46, Bergen, New Jersey; d. Bet. March 28, 1798 - December 09, 1822, Brooke Co., West Virginia.
3. iii. LEWIS PEARCE, b. November 21, 1748; d. August 24, 1825, Muskingum Co., Ohio.
iv. MARY PEARCE, b. December 30, 1749; d. 1750.
v. SIMON PEARCE, b. April 03, 1752; d. Abt. 1820.
4. vi. HANNAH PEARCE, b. September 23, 1755; d. 1835.
vii. MOSES PEARCE, b. September 23, 1755; m. JEMIMA ROBINSON, 1778.
5. viii. SARAH PEARCE, b. September 23, 1761.
ix. JAMES PEARCE, b. December 30, 1762; d. February 18, 1844; m. ESTHER KINNEY, April 16, 1787.
x. STEPHEN PEARCE, b. May 19, 1764; d. November 28, 1810, Columbiana County, Ohio; m. MARY KINNEY, August 29, 1787.
6. xi. JONATHAN PEARCE, b. August 11, 1767; d. 1802, Allegheny County, Pennsylvania.