Nicholas Leycester was born circa 1288 in United Kingdom to Roger Leycester (-c1349) and Joyce or Isabel Unknown and died 1349 United Kingdom of unspecified causes. He married Mary de Mobberley (-c1318) .
A genealogical and heraldic history of the extinct and dormant baronetcies of England, by J. and J.B. Burke, 1838
"Nicholas Leicester, who died in the same year (as his father), leaving by his wife, Mary, daughter of William Mobberly of Mobberly, co-heir of her mother, Maud, and half sister to Sir Ralph Mobbberley.
- John, his heir.
- Ralph, who m. Joan, daughter and heir of Robert Toft of Toft, in Cheshire, and died temp. Richard II. He was ancestor of the Leycesters of Toft Hall, now represented by Ralph Leycester, esq. of Toft Hall; of the Leycesters of Poole, whose heiress, Mary, married Sir Henry Delves, bart.; and of the present George Hanmer Leycester, esq. of White Place, near Maidenhead, Berkshire."
The History of the County Palatine and City of Chester: Comp. from Original Evidences in Public Offices, the Harleian and Cottonian Mss., Parochial Registers, Private Muniments, Unpublished Ms. Collections of Successive Cheshire Antiquaries, and a Personal Survey of Every Township in the County; Incorporated with a Republication of King's Vale Royal and Leycester's Cheshire Antiquities, Volume 1 by George Ormerod, Daniel King, William Smith, William Webb (sheriff.), Sir Peter Leycester, 1882
"Nicholas Leycester, son and heir of Roger, had to wife Mary, daughter of William Mobberlry de Mobberlry, and one of the sisters and coheirs to sir Raufe Mobberley; married about 15 Edw. II. 1322, and had issue John Leycester, son and heir; Raufe Leycester, younger son, from whom the Leycesters of Toft, in the hundred of Bucklow; and Elizabeth, the second wife of William Mainwaring of Over Pever. She was widow 38 Edw. III. 1364, and was living 6 Hen. IV. 1404. Nicholas Leycester died 1349, 23 Edw. III.; for he survived his father very little, if he died not before him."
Children
| Name | Birth | Death | Joined with |
| Elizabeth Leycester (c1318-) | 1318 United Kingdom | William Mainwaring (1316-1364) | |
| John Leycester (-1398) | |||
| Margaret Leycester (-c1405) | |||
Siblings
| Name | Birth | Death | Joined with |
| Nicholas Leycester (-1349) | 1288 United Kingdom | 1349 United Kingdom | Mary de Mobberley (-c1318) |
| Roger Leycester | |||
| Margaret Leycester | |||
Residences
Footnotes (including sources)