From "Genealogical Abstracts of Wills, 1758-1824, Halifax County,North Carolina", by Margaret M. Hofmann:
Will #235 - pg. 49 - ROBERT RICKMAN - 29 Mar. 1769 - May Ct. 1777
son MARK RICKMAN 150 acres son NATHAN RICKMAN remaining part of my land which is 150 acres residue of my estate to wife (name not given)
Wit: SAMUEL THOMPSON, JAMES WARD, BRIDGET TATUM
From "Abstracts of Deeds, Halifax, North Carolina, 1786-1796":
Entry #1191-(560) BOICE BARRE RICKMAN of Halifax Co. to her sons MARK, NATHAN, and JOSHUA RICKMAN. 19 Aug 1798. For "love and affection." All her real and personal estate. BARRE RICKMAN. Wit: THOMAS ADKINS, NANCY ADKINS. Aug Ct 1793. CC: L. Long
#1397-(681) WILLIAM JOHNSTON of Halifax Co. to JAMES BRADLEY of same. 30 Aug 1794. 50 pounds Virginia. 100 acres on Great Creek, joining MILLS, Haw Branch. WILLIAM JOHNSTON. Wit: THOS. MONTFORT, JAS. MALLORY, MARK RICKMAN. Nov Ct. 1794. CC: L. Long
#1684-(883) JOSEPH MALLARD of Halifax Co. to WILLIAM STORY of Warren Co. 18 Dec 1795. 10 pounds 10 shillings. (no acres), joining WILLIAM STORY, THOMAS GREEN, JOHN MALLARD, JOSEPH MALLARD, MARK RICKMAN. JOSEPH MALARD. Wit: MARK RICKMAN, NATHAN TAYLOR. Feb Ct 1796. CC: L.Long. (Reading not clear, but a possible name included in bounds is KIN MALLARD.)
From "Abstracts of Deeds, Halifax County,North Carolina 1796-1802":
#115-(98) MARK RICKMAN & NATHAN RICKMAN of Halifax Co. to WILLIAM CARTER of same. 8 Oct 1796. 125 pounds VA. 307 acres which ROBERT RICKMAN acquired from JOHN MALLARD & his wife MARGARET, on the branches of Stonehouse & Butterworth Creeks, joining CURTIS, old Baker Road, PERSON, Spring Branch, Bason Road. MARK RICKMAN, NATHAN RICKMAN. Wit: EATON PUGH, W.E. JOHNSTON, FRAN. CARTER. Feb Ct 1797. L. Long, CCt
From "Abstracts of Deeds Halifax County,North Carolina 1802-1807":
#261-(198) LEMUEL [ELEMANACK] LEAK, an heir of JOSIAH LEAK dec'd, of Halifax Co. to JAMES SHARP of same. (no day) Sep 1803. 35 pounds. 1 udivided share of 100 acres which was conveyed by deed 12 Jun 1770 from BLAKE BAKER's executors to JAMES BAKER, joining Walnut Fort Survey, JOYNER, RICHMOND, ELIAS FOORT, Roanoke River, LANE, along the Cross Roads land. Wit: JAS. BEDDINGFIELD, RANDOLPH LEAK, GREEN NEWSOME. Nov Ct 1803. CC: L. Long.
Hope this helps you.