this from OED
shippon, -en. Now dial. Forms: 1 scypen, scipen, scepen, 4 shep(e)ne, s(c)hipne, schepon, 5 shepen, shipun, schepyn, -ene, schyppune, 6 shyppen, 9 shippin, -on, shuppen, -on, 6_ shippen.
[OE. scypen fem.:---OTeut. *skupin_, f. skup-: see shop n. and -en2.]
A cattle-shed, a cowhouse.
In quot. 1401 misused, from association with sheep.
900 tr. Bæda's Hist. i. i. (1890) 28 þær næni_ mann for wintres cyle on sumera he_ ne maweÞ, ne scypene his neatum ne timbreÞ.
1100 Gerefa in Anglia IX. 261 Scipena behweorfan and hlosan eac swa.
13_ E.E. Allit. P. B. 1076 Was neuer so blysful a bour as was a bos Þenne Ne no schroude hous so schene as a schepon Þare.
1386 Chaucer Knt.'s T. 1142 The shepne brennynge with the blake smoke.
1401 Pol. Poems (Rolls) II. 76 _it makist thou to thi sheep a shepen, and to thi hors a stable.
1425 Voc. in Wr.-Wülcker 670/26 Hoc boster, schyppune.
1570 Levins Manip. 61/17 A shyppen, bouile.
1634 Brereton Trav. (Chetham Soc.) 23 Here is a dainty fine shippen_and hay overhead.
1746 J. Collier (Tim Bobbin) View Lanc. Dial. Wks. (1775) 41, I gan o glent into th' Shipp'n.
1857 Waugh Lanc. Life 193 When he had to go into the _shippon' early on a winter's morning.
1859 Dickens Haunted House vii. 44 Atkinson and me will take t'other chap_to th' shippon, and it'll be one piece o' work for to mind them, and the cow.
1881 G. Macdonald Mary Marston xv, The muffled low of a cow from a shippen.
1890 Westmld. Gaz. 8 Nov. 4/2 Small Residence and Pleasure Farm_consisting of convenient House, with Stable and Shippon.
attrib.
1788 New Lond. Mag. 553 Some men who forced the Shippon door by means of iron-crows.
1863 Mrs. Gaskell Sylvia's Lovers xv, The_shippen door_stood open.